{ "revision": "P3.1", "evidence": "COUPLED_1D_CONDITIONAL_SCREEN_NO_NEW_VEHICLE_CFD_OR_HARDWARE", "inputs": { "revision": "P3.1 coupled systems development", "status": "CONDITIONAL_MODELS_NOT_MEASURED_HARDWARE", "ambient_pressure_Pa": 101325.0, "ambient_temperature_K": 293.15, "gas_constant_JkgK": 287.05, "gamma": 1.4, "inlet_total_pressure_recovery_assumed": 0.95, "effective_throat_loss_coefficient_assumed": 0.5, "heat_exchanger_extra_loss_coefficient_assumed": 0.15, "air_heat_exchanger_UA_WK_assumed": 3000.0, "heat_model": "rayleigh", "hot_reservoir_K": 333.15, "cold_service_reservoir_K": 273.15, "hot_heat_available_W_assumed": 20000.0, "generator_efficiency_assumed": 0.9, "turbine_efficiency_assumed": 0.65, "compressor_efficiency_assumed": 0.65, "motor_efficiency_assumed": 0.92, "powered_duct_pressure_rise_Pa_assumed": 2000.0, "ram_turbine_loading_fraction_assumed": 0.45, "duct_exit_angle_deg": 0.0, "external_drag_area_m2_assumed": 0.72, "rolling_resistance_coefficient_assumed": 0.015, "vehicle_mass_kg_assumed": 2165.0, "electrical_auxiliary_W_assumed": 200.0, "initial_electrical_store_J_assumed": 100000.0, "initial_N2_inventory_kg_assumed": 10.0, "underfloor_pressure_coefficient_difference_assumed": 0.0, "underfloor_effective_gap_m_assumed": 0.001, "sources": [ "https://www.grc.nasa.gov/www/k-12/airplane/mflchk.html", "https://www1.grc.nasa.gov/beginners-guide-to-aeronautics/thrust-force/", "https://coolprop.org/fluid_properties/fluids/Nitrogen.html" ], "limits": [ "Quasi-one-dimensional compressible state and momentum model, with an assumed lumped pressure-loss envelope rather than solved 3-D vehicle flow.", "No assumed external drag reduction is credited. Required external CdA improvement is reported as a break-even target for later CFD.", "Heat transfer uses an assumed UA based on stagnation-temperature approach and a constant-area Rayleigh momentum closure. Finite exchanger geometry, distributed friction and frost are not resolved or qualified.", "N2 uses an exclusive equilibrium state path from P2.2. Expander performance, finite exchanger area and useful service delivery remain unmeasured.", "Powered ground suction is coupled to an assumed local pressure difference. High-speed moving-road seals and installed fan maps remain unresolved.", "These operating points and finite-resource endurance screens do not replace the existing trajectory model or establish a new Bugatti comparison." ] }, "geometry": { "inlet_area_m2": 0.5730265000147782, "minimum_flow_area_m2": 0.13194689145077132, "exit_area_m2": 0.18849555921538758, "heat_exchange_section_area_m2": 0.16022122533307948, "length_m": 4.8, "source": "P3.1 flattened-bay design with 40 mm wider necks. Inlet and exit areas are retained; minimum paired area increases 16.7 percent. Installed losses remain assumed; no P2 drag result is transferred." }, "operating_points": [ { "speed_kmh": 0, "mode": "bypass", "thermal": "neutral", "status": "NO_FORWARD_FLOW", "mass_flow_kgs": 0.0, "net_forward_duct_force_N": 0.0, "electrical_input_W": 0.0, "generator_electric_W": 0.0, "N2_rate_kgs": 0.0, "heat_W": 0.0 }, { "speed_kmh": 0, "mode": "bypass", "thermal": "matched-hx", "status": "NO_FORWARD_FLOW", "mass_flow_kgs": 0.0, "net_forward_duct_force_N": 0.0, "electrical_input_W": 0.0, "generator_electric_W": 0.0, "N2_rate_kgs": 0.0, "heat_W": 0.0 }, { "speed_kmh": 0, "mode": "bypass", "thermal": "cold", "status": "NO_FORWARD_FLOW", "mass_flow_kgs": 0.0, "net_forward_duct_force_N": 0.0, "electrical_input_W": 0.0, "generator_electric_W": 0.0, "N2_rate_kgs": 0.0, "heat_W": 0.0 }, { "speed_kmh": 0, "mode": "bypass", "thermal": "hot", "status": "NO_FORWARD_FLOW", "mass_flow_kgs": 0.0, "net_forward_duct_force_N": 0.0, "electrical_input_W": 0.0, "generator_electric_W": 0.0, "N2_rate_kgs": 0.0, "heat_W": 0.0 }, { "speed_kmh": 0, "mode": "generator", "thermal": "neutral", "status": "NO_FORWARD_FLOW", "mass_flow_kgs": 0.0, "net_forward_duct_force_N": 0.0, "electrical_input_W": 0.0, "generator_electric_W": 0.0, "N2_rate_kgs": 0.0, "heat_W": 0.0 }, { "speed_kmh": 0, "mode": "generator", "thermal": "matched-hx", "status": "NO_FORWARD_FLOW", "mass_flow_kgs": 0.0, "net_forward_duct_force_N": 0.0, "electrical_input_W": 0.0, "generator_electric_W": 0.0, "N2_rate_kgs": 0.0, "heat_W": 0.0 }, { "speed_kmh": 0, "mode": "generator", "thermal": "cold", "status": "NO_FORWARD_FLOW", "mass_flow_kgs": 0.0, "net_forward_duct_force_N": 0.0, "electrical_input_W": 0.0, "generator_electric_W": 0.0, "N2_rate_kgs": 0.0, "heat_W": 0.0 }, { "speed_kmh": 0, "mode": "generator", "thermal": "hot", "status": "NO_FORWARD_FLOW", "mass_flow_kgs": 0.0, "net_forward_duct_force_N": 0.0, "electrical_input_W": 0.0, "generator_electric_W": 0.0, "N2_rate_kgs": 0.0, "heat_W": 0.0 }, { "speed_kmh": 0, "mode": "powered", "thermal": "neutral", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 9.148417467678863, "inlet_capture_area_m2": null, "inlet_capture_fraction": null, "exit_volume_flow_m3s": 7.642518935086896, "upstream_throat_Mach": 0.1707110590659882, "rear_throat_Mach": 0.16976508825408063, "exit_Mach": 0.11777898350388358, "exit_velocity_ms": 40.5448222064321, "net_forward_duct_force_N": 370.9209596972573, "opposing_duct_drag_N": -370.9209596972573, "duct_road_power_W": -0.0, "electrical_input_W": 25485.87120550401, "generator_electric_W": 0.0, "heat_W": 0.0, "N2_rate_kgs": 0.0, "N2_electric_W": 0.0, "N2_hot_heat_required_W": 0.0, "N2_reversible_restoration_floor_W": 0.0, "N2_initial_inventory_duration_s": null, "energy_residual_W": 0.0, "mass_residual_kgs": -3.575806317712704e-12, "entropy_generation_WK": 54.17242826076641, "external_drag_area_reduction_to_offset_duct_m2": null, "stagnation_inlet_K": 293.15, "stagnation_exit_K": 295.70103103064355, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 0.0, "ground": { "additional_normal_force_N": 0.0, "electrical_power_W": 0.0, "vertical_discharge_capture_drag_N": 0.0 }, "road_power_to_hold_speed_W": -0.0, "auxiliary_bus_net_charge_W": -25685.87120550401, "battery_endurance_s_if_discharging": 3.8931908986046713, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 0, "mode": "powered", "thermal": "matched-hx", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 8.528803410381158, "inlet_capture_area_m2": null, "inlet_capture_fraction": null, "exit_volume_flow_m3s": 7.127551156681924, "upstream_throat_Mach": 0.15877591130017166, "rear_throat_Mach": 0.15810709038087903, "exit_Mach": 0.10982236108032267, "exit_velocity_ms": 37.81283329088447, "net_forward_duct_force_N": 322.49822152747237, "opposing_duct_drag_N": -322.49822152747237, "duct_road_power_W": -0.0, "electrical_input_W": 23790.181307951712, "generator_electric_W": 0.0, "heat_W": 0.0, "N2_rate_kgs": 0.0, "N2_electric_W": 0.0, "N2_hot_heat_required_W": 0.0, "N2_reversible_restoration_floor_W": 0.0, "N2_initial_inventory_duration_s": null, "energy_residual_W": 0.0, "mass_residual_kgs": -1.8740564655672642e-12, "entropy_generation_WK": 53.69354122410017, "external_drag_area_reduction_to_offset_duct_m2": null, "stagnation_inlet_K": 293.15, "stagnation_exit_K": 295.7042998604513, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 0.0, "ground": { "additional_normal_force_N": 0.0, "electrical_power_W": 0.0, "vertical_discharge_capture_drag_N": 0.0 }, "road_power_to_hold_speed_W": -0.0, "auxiliary_bus_net_charge_W": -23990.181307951712, "battery_endurance_s_if_discharging": 4.168371998374782, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 0, "mode": "powered", "thermal": "cold", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 8.617842917893732, "inlet_capture_area_m2": null, "inlet_capture_fraction": null, "exit_volume_flow_m3s": 7.058065682188093, "upstream_throat_Mach": 0.16048580012139696, "rear_throat_Mach": 0.15815440403548495, "exit_Mach": 0.10985471140834893, "exit_velocity_ms": 37.44420139971047, "net_forward_duct_force_N": 322.68824584867593, "opposing_duct_drag_N": -322.68824584867593, "duct_road_power_W": -0.0, "electrical_input_W": 23558.170258444145, "generator_electric_W": 0.0, "heat_W": -50708.54686310245, "N2_rate_kgs": 0.10833906673291346, "N2_electric_W": 11348.236408965837, "N2_hot_heat_required_W": 5241.008069665908, "N2_reversible_restoration_floor_W": 80353.59169505822, "N2_initial_inventory_duration_s": 92.30280730267722, "energy_residual_W": 7.275957614183426e-12, "mass_residual_kgs": -2.921929365129472e-11, "entropy_generation_WK": 65.15557145101532, "external_drag_area_reduction_to_offset_duct_m2": null, "stagnation_inlet_K": 293.15, "stagnation_exit_K": 289.7965015247719, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 1.0913936421275139e-11, "ground": { "additional_normal_force_N": 0.0, "electrical_power_W": 0.0, "vertical_discharge_capture_drag_N": 0.0 }, "road_power_to_hold_speed_W": -0.0, "auxiliary_bus_net_charge_W": -12409.933849478308, "battery_endurance_s_if_discharging": 8.058060680492977, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 0, "mode": "powered", "thermal": "hot", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 8.493940511380222, "inlet_capture_area_m2": null, "inlet_capture_fraction": null, "exit_volume_flow_m3s": 7.155170278317076, "upstream_throat_Mach": 0.15810687587896669, "rear_throat_Mach": 0.15808873671193946, "exit_Mach": 0.1098098117830444, "exit_velocity_ms": 37.959357282078635, "net_forward_duct_force_N": 322.42452260420083, "opposing_duct_drag_N": -322.42452260420083, "duct_road_power_W": -0.0, "electrical_input_W": 23882.400816107187, "generator_electric_W": 0.0, "heat_W": 20000.0, "N2_rate_kgs": 0.0, "N2_electric_W": 0.0, "N2_hot_heat_required_W": 0.0, "N2_reversible_restoration_floor_W": 0.0, "N2_initial_inventory_duration_s": null, "energy_residual_W": -1.0186340659856796e-10, "mass_residual_kgs": -2.971489720948739e-11, "entropy_generation_WK": 61.399062682552206, "external_drag_area_reduction_to_offset_duct_m2": null, "stagnation_inlet_K": 293.15, "stagnation_exit_K": 298.06838900219896, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": -1.0186340659856796e-10, "ground": { "additional_normal_force_N": 0.0, "electrical_power_W": 0.0, "vertical_discharge_capture_drag_N": 0.0 }, "road_power_to_hold_speed_W": -0.0, "auxiliary_bus_net_charge_W": -24082.400816107187, "battery_endurance_s_if_discharging": 4.152409918080774, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 100, "mode": "bypass", "thermal": "neutral", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 4.325111147955062, "inlet_capture_area_m2": 0.12930955306383768, "inlet_capture_fraction": 0.225660685955192, "exit_volume_flow_m3s": 3.5944198554023545, "upstream_throat_Mach": 0.07931827553655324, "rear_throat_Mach": 0.07949387677213268, "exit_Mach": 0.0555379175571353, "exit_velocity_ms": 19.06898958449651, "net_forward_duct_force_N": -37.66647689993475, "opposing_duct_drag_N": 37.66647689993475, "duct_road_power_W": 1046.2910249981876, "electrical_input_W": 0.0, "generator_electric_W": 0.0, "heat_W": 0.0, "N2_rate_kgs": 0.0, "N2_electric_W": 0.0, "N2_hot_heat_required_W": 0.0, "N2_reversible_restoration_floor_W": 0.0, "N2_initial_inventory_duration_s": null, "energy_residual_W": 0.0, "mass_residual_kgs": 3.419486915845482e-13, "entropy_generation_WK": 3.0085994966946306, "external_drag_area_reduction_to_offset_duct_m2": 0.08108132464804774, "stagnation_inlet_K": 293.5340072353107, "stagnation_exit_K": 293.5340072353107, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 0.0, "ground": { "additional_normal_force_N": 0.0, "electrical_power_W": 0.0, "vertical_discharge_capture_drag_N": 0.0 }, "road_power_to_hold_speed_W": 19186.764916777633, "auxiliary_bus_net_charge_W": -200.0, "battery_endurance_s_if_discharging": 500.0, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 100, "mode": "bypass", "thermal": "matched-hx", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 4.031206086708733, "inlet_capture_area_m2": 0.12052255758259287, "inlet_capture_fraction": 0.2103263244884567, "exit_volume_flow_m3s": 3.3504386347268214, "upstream_throat_Mach": 0.0738915190087671, "rear_throat_Mach": 0.07407605231467344, "exit_Mach": 0.051766033304997884, "exit_velocity_ms": 17.77462900811778, "net_forward_duct_force_N": -40.324754206514584, "opposing_duct_drag_N": 40.324754206514584, "duct_road_power_W": 1120.1320612920717, "electrical_input_W": 0.0, "generator_electric_W": 0.0, "heat_W": 0.0, "N2_rate_kgs": 0.0, "N2_electric_W": 0.0, "N2_hot_heat_required_W": 0.0, "N2_reversible_restoration_floor_W": 0.0, "N2_initial_inventory_duration_s": null, "energy_residual_W": 0.0, "mass_residual_kgs": -5.282885240376345e-12, "entropy_generation_WK": 3.131808779098123, "external_drag_area_reduction_to_offset_duct_m2": 0.08680356529911619, "stagnation_inlet_K": 293.5340072353107, "stagnation_exit_K": 293.5340072353107, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 0.0, "ground": { "additional_normal_force_N": 0.0, "electrical_power_W": 0.0, "vertical_discharge_capture_drag_N": 0.0 }, "road_power_to_hold_speed_W": 19260.605953071517, "auxiliary_bus_net_charge_W": -200.0, "battery_endurance_s_if_discharging": 500.0, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 100, "mode": "bypass", "thermal": "cold", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 4.107484650149052, "inlet_capture_area_m2": 0.1228030878647991, "inlet_capture_fraction": 0.21430612347183253, "exit_volume_flow_m3s": 3.2913570589074572, "upstream_throat_Mach": 0.07529917278238904, "rear_throat_Mach": 0.07411151150788767, "exit_Mach": 0.0517907293207099, "exit_velocity_ms": 17.461191513598205, "net_forward_duct_force_N": -42.37521972206438, "opposing_duct_drag_N": 42.37521972206438, "duct_road_power_W": 1177.0894367240105, "electrical_input_W": 0.0, "generator_electric_W": 0.0, "heat_W": -43458.202005031475, "N2_rate_kgs": 0.09284866828912083, "N2_electric_W": 9725.65732544277, "N2_hot_heat_required_W": 4491.644929531037, "N2_reversible_restoration_floor_W": 68864.57679690667, "N2_initial_inventory_duration_s": 107.70213708247347, "energy_residual_W": 1.0913936421275139e-10, "mass_residual_kgs": -1.8991030970028078e-11, "entropy_generation_WK": 11.516338854173412, "external_drag_area_reduction_to_offset_duct_m2": 0.091217422761485, "stagnation_inlet_K": 293.5340072353107, "stagnation_exit_K": 283.0029927626035, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 1.0186340659856796e-10, "ground": { "additional_normal_force_N": 0.0, "electrical_power_W": 0.0, "vertical_discharge_capture_drag_N": 0.0 }, "road_power_to_hold_speed_W": 19317.563328503453, "auxiliary_bus_net_charge_W": 9525.65732544277, "battery_endurance_s_if_discharging": null, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 100, "mode": "bypass", "thermal": "hot", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 3.9965786307066256, "inlet_capture_area_m2": 0.11948728687943712, "inlet_capture_fraction": 0.20851965288927402, "exit_volume_flow_m3s": 3.378025048071305, "upstream_throat_Mach": 0.073252674739947, "rear_throat_Mach": 0.07406018542361952, "exit_Mach": 0.051754982563645635, "exit_velocity_ms": 17.92097947628871, "net_forward_duct_force_N": -39.39346945891657, "opposing_duct_drag_N": 39.39346945891657, "duct_road_power_W": 1094.2630405254604, "electrical_input_W": 0.0, "generator_electric_W": 0.0, "heat_W": 20000.0, "N2_rate_kgs": 0.0, "N2_electric_W": 0.0, "N2_hot_heat_required_W": 0.0, "N2_reversible_restoration_floor_W": 0.0, "N2_initial_inventory_duration_s": null, "energy_residual_W": 8.36735125631094e-11, "mass_residual_kgs": 9.237055564881302e-13, "entropy_generation_WK": 10.636375593349083, "external_drag_area_reduction_to_offset_duct_m2": 0.08479887021811963, "stagnation_inlet_K": 293.5340072353107, "stagnation_exit_K": 298.5150014601105, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 8.36735125631094e-11, "ground": { "additional_normal_force_N": 0.0, "electrical_power_W": 0.0, "vertical_discharge_capture_drag_N": 0.0 }, "road_power_to_hold_speed_W": 19234.736932304902, "auxiliary_bus_net_charge_W": -200.0, "battery_endurance_s_if_discharging": 500.0, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 100, "mode": "generator", "thermal": "neutral", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 3.6494883760682675, "inlet_capture_area_m2": 0.10911019270433825, "inlet_capture_fraction": 0.19041037840575317, "exit_volume_flow_m3s": 3.0327693476127107, "upstream_throat_Mach": 0.06685498063429665, "rear_throat_Mach": 0.06703669428950944, "exit_Mach": 0.04686107382202907, "exit_velocity_ms": 16.089341097673937, "net_forward_duct_force_N": -42.65681379845991, "opposing_duct_drag_N": 42.65681379845991, "duct_road_power_W": 1184.9114944016642, "electrical_input_W": 0.0, "generator_electric_W": 225.83775180170662, "heat_W": 0.0, "N2_rate_kgs": 0.0, "N2_electric_W": 0.0, "N2_hot_heat_required_W": 0.0, "N2_reversible_restoration_floor_W": 0.0, "N2_initial_inventory_duration_s": null, "energy_residual_W": 0.0, "mass_residual_kgs": -5.493383525845275e-13, "entropy_generation_WK": 2.3348693297562493, "external_drag_area_reduction_to_offset_duct_m2": 0.09182358565768177, "stagnation_inlet_K": 293.5340072353107, "stagnation_exit_K": 293.4655693704175, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 0.0, "ground": { "status": "ASSUMED_INSTALLED_MAP", "speed_kmh": 100, "gap_m": 0.001, "delta_Cp": 0.0, "pressure_bias_Pa": 0.0, "vacuum_relative_to_leak_source_Pa": 2012.20085683633, "additional_normal_force_N": 5815.05925617131, "electrical_power_W": 2055.008309419959, "mass_flow_kgs": 0.6516012788276218, "flow_mass_residual_kgs": -6.106226635438361e-15, "fan_head_Pa": 2084.202316587608, "vertical_discharge_capture_drag_N": 18.100035522989494, "isolated_fan_thrust_added": false }, "road_power_to_hold_speed_W": 22251.10550744664, "auxiliary_bus_net_charge_W": -2029.1705576182524, "battery_endurance_s_if_discharging": 49.28121967104403, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 100, "mode": "generator", "thermal": "matched-hx", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 3.4676744045858316, "inlet_capture_area_m2": 0.10367442872304243, "inlet_capture_fraction": 0.1809243180208397, "exit_volume_flow_m3s": 2.881867707388435, "upstream_throat_Mach": 0.06350771500891339, "rear_throat_Mach": 0.06369051086916408, "exit_Mach": 0.04452795289911249, "exit_velocity_ms": 15.288783032279143, "net_forward_duct_force_N": -43.30776741796982, "opposing_duct_drag_N": 43.30776741796982, "duct_road_power_W": 1202.9935393880505, "electrical_input_W": 0.0, "generator_electric_W": 193.78470520347034, "heat_W": 0.0, "N2_rate_kgs": 0.0, "N2_electric_W": 0.0, "N2_hot_heat_required_W": 0.0, "N2_reversible_restoration_floor_W": 0.0, "N2_initial_inventory_duration_s": null, "energy_residual_W": 0.0, "mass_residual_kgs": -4.5141668181258865e-12, "entropy_generation_WK": 2.4458134914054748, "external_drag_area_reduction_to_offset_duct_m2": 0.09322483648064887, "stagnation_inlet_K": 293.5340072353107, "stagnation_exit_K": 293.4722037341164, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 0.0, "ground": { "status": "ASSUMED_INSTALLED_MAP", "speed_kmh": 100, "gap_m": 0.001, "delta_Cp": 0.0, "pressure_bias_Pa": 0.0, "vacuum_relative_to_leak_source_Pa": 2012.20085683633, "additional_normal_force_N": 5815.05925617131, "electrical_power_W": 2055.008309419959, "mass_flow_kgs": 0.6516012788276218, "flow_mass_residual_kgs": -6.106226635438361e-15, "fan_head_Pa": 2084.202316587608, "vertical_discharge_capture_drag_N": 18.100035522989494, "isolated_fan_thrust_added": false }, "road_power_to_hold_speed_W": 22269.187552433024, "auxiliary_bus_net_charge_W": -2061.2236042164886, "battery_endurance_s_if_discharging": 48.514872328959164, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 100, "mode": "generator", "thermal": "cold", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 3.5397598528807337, "inlet_capture_area_m2": 0.10582959578870903, "inlet_capture_fraction": 0.18468534314901616, "exit_volume_flow_m3s": 2.825365627020973, "upstream_throat_Mach": 0.06483452143034288, "rear_throat_Mach": 0.06371522247695165, "exit_Mach": 0.044545186459797693, "exit_velocity_ms": 14.989030186201727, "net_forward_duct_force_N": -45.269095293283335, "opposing_duct_drag_N": 45.269095293283335, "duct_road_power_W": 1257.4748692578705, "electrical_input_W": 0.0, "generator_electric_W": 190.13228862883776, "heat_W": -41307.90438249209, "N2_rate_kgs": 0.08825454654761553, "N2_electric_W": 9244.434981681028, "N2_hot_heat_required_W": 4269.39980737565, "N2_reversible_restoration_floor_W": 65457.18005862409, "N2_initial_inventory_duration_s": 113.30861005109523, "energy_residual_W": -3.632294465205632e-11, "mass_residual_kgs": -2.937561305316194e-11, "entropy_generation_WK": 10.136741403615186, "external_drag_area_reduction_to_offset_duct_m2": 0.09744681515473709, "stagnation_inlet_K": 293.5340072353107, "stagnation_exit_K": 281.85921422145657, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": -3.8198777474462986e-11, "ground": { "status": "ASSUMED_INSTALLED_MAP", "speed_kmh": 100, "gap_m": 0.001, "delta_Cp": 0.0, "pressure_bias_Pa": 0.0, "vacuum_relative_to_leak_source_Pa": 2012.20085683633, "additional_normal_force_N": 5815.05925617131, "electrical_power_W": 2055.008309419959, "mass_flow_kgs": 0.6516012788276218, "flow_mass_residual_kgs": -6.106226635438361e-15, "fan_head_Pa": 2084.202316587608, "vertical_discharge_capture_drag_N": 18.100035522989494, "isolated_fan_thrust_added": false }, "road_power_to_hold_speed_W": 22323.668882302845, "auxiliary_bus_net_charge_W": 7179.558960889907, "battery_endurance_s_if_discharging": null, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 100, "mode": "generator", "thermal": "hot", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 3.433300876069806, "inlet_capture_area_m2": 0.10264674979004301, "inlet_capture_fraction": 0.17913089497151666, "exit_volume_flow_m3s": 2.9096630549306703, "upstream_throat_Mach": 0.06287517752865808, "rear_throat_Mach": 0.06367891290017377, "exit_Mach": 0.04451986460911375, "exit_velocity_ms": 15.436241931890264, "net_forward_duct_force_N": -42.37220583172978, "opposing_duct_drag_N": 42.37220583172978, "duct_road_power_W": 1177.0057175480495, "electrical_input_W": 0.0, "generator_electric_W": 195.5827400607975, "heat_W": 20000.0, "N2_rate_kgs": 0.0, "N2_electric_W": 0.0, "N2_hot_heat_required_W": 0.0, "N2_reversible_restoration_floor_W": 0.0, "N2_initial_inventory_duration_s": null, "energy_residual_W": -4.837374945054762e-11, "mass_residual_kgs": -2.4189272807007e-10, "entropy_generation_WK": 9.860310514160853, "external_drag_area_reduction_to_offset_duct_m2": 0.09121093502382581, "stagnation_inlet_K": 293.5340072353107, "stagnation_exit_K": 299.2691970278426, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": -4.837374945054762e-11, "ground": { "status": "ASSUMED_INSTALLED_MAP", "speed_kmh": 100, "gap_m": 0.001, "delta_Cp": 0.0, "pressure_bias_Pa": 0.0, "vacuum_relative_to_leak_source_Pa": 2012.20085683633, "additional_normal_force_N": 5815.05925617131, "electrical_power_W": 2055.008309419959, "mass_flow_kgs": 0.6516012788276218, "flow_mass_residual_kgs": -6.106226635438361e-15, "fan_head_Pa": 2084.202316587608, "vertical_discharge_capture_drag_N": 18.100035522989494, "isolated_fan_thrust_added": false }, "road_power_to_hold_speed_W": 22243.199730593024, "auxiliary_bus_net_charge_W": -2059.4255693591613, "battery_endurance_s_if_discharging": 48.557229495367174, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 100, "mode": "powered", "thermal": "neutral", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 10.105015396971815, "inlet_capture_area_m2": 0.30211362898810756, "inlet_capture_fraction": 0.527224533211494, "exit_volume_flow_m3s": 8.447391338560145, "upstream_throat_Mach": 0.1885858575258753, "rear_throat_Mach": 0.18796484247508122, "exit_Mach": 0.130138665711534, "exit_velocity_ms": 44.81480292544931, "net_forward_duct_force_N": 172.1594014358223, "opposing_duct_drag_N": -172.1594014358223, "duct_road_power_W": -4782.205595439508, "electrical_input_W": 28126.68067410509, "generator_electric_W": 0.0, "heat_W": 0.0, "N2_rate_kgs": 0.0, "N2_electric_W": 0.0, "N2_hot_heat_required_W": 0.0, "N2_reversible_restoration_floor_W": 0.0, "N2_initial_inventory_duration_s": null, "energy_residual_W": 0.0, "mass_residual_kgs": 2.255973186038318e-13, "entropy_generation_WK": 66.73497683354914, "external_drag_area_reduction_to_offset_duct_m2": 0.0, "stagnation_inlet_K": 293.5340072353107, "stagnation_exit_K": 296.0828540476344, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 0.0, "ground": { "additional_normal_force_N": 0.0, "electrical_power_W": 0.0, "vertical_discharge_capture_drag_N": 0.0 }, "road_power_to_hold_speed_W": 13358.268296339935, "auxiliary_bus_net_charge_W": -28326.68067410509, "battery_endurance_s_if_discharging": 3.530240664287054, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 100, "mode": "powered", "thermal": "matched-hx", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 9.422222958539441, "inlet_capture_area_m2": 0.28169991428142244, "inlet_capture_fraction": 0.4916001516058288, "exit_volume_flow_m3s": 7.880172727916417, "upstream_throat_Mach": 0.17533860752709007, "rear_throat_Mach": 0.17504510908812598, "exit_Mach": 0.12137272699967823, "exit_velocity_ms": 41.80561473560702, "net_forward_duct_force_N": 132.17340744270678, "opposing_duct_drag_N": -132.17340744270678, "duct_road_power_W": -3671.483540075188, "electrical_input_W": 26267.064955104866, "generator_electric_W": 0.0, "heat_W": 0.0, "N2_rate_kgs": 0.0, "N2_electric_W": 0.0, "N2_hot_heat_required_W": 0.0, "N2_reversible_restoration_floor_W": 0.0, "N2_initial_inventory_duration_s": null, "energy_residual_W": 0.0, "mass_residual_kgs": -1.7788437389754108e-11, "entropy_generation_WK": 66.51372998734786, "external_drag_area_reduction_to_offset_duct_m2": 0.0, "stagnation_inlet_K": 293.5340072353107, "stagnation_exit_K": 296.0868284662448, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 0.0, "ground": { "additional_normal_force_N": 0.0, "electrical_power_W": 0.0, "vertical_discharge_capture_drag_N": 0.0 }, "road_power_to_hold_speed_W": 14468.990351704255, "auxiliary_bus_net_charge_W": -26467.064955104866, "battery_endurance_s_if_discharging": 3.778280673343509, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 100, "mode": "powered", "thermal": "cold", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 9.514311312116964, "inlet_capture_area_m2": 0.28445311609199886, "inlet_capture_fraction": 0.49640481912208756, "exit_volume_flow_m3s": 7.808329748769597, "upstream_throat_Mach": 0.17711852901799865, "rear_throat_Mach": 0.17509574613985443, "exit_Mach": 0.12140716121810893, "exit_velocity_ms": 41.42447589360815, "net_forward_duct_force_N": 129.83893425649563, "opposing_duct_drag_N": -129.83893425649563, "duct_road_power_W": -3606.637062680434, "electrical_input_W": 26027.480886751106, "generator_electric_W": 0.0, "heat_W": -52485.66653956251, "N2_rate_kgs": 0.1121358919059983, "N2_electric_W": 11745.944003899267, "N2_hot_heat_required_W": 5424.6831923278505, "N2_reversible_restoration_floor_W": 83169.64456403584, "N2_initial_inventory_duration_s": 89.17751337263931, "energy_residual_W": 1.8189894035458565e-11, "mass_residual_kgs": -4.973799150320701e-13, "entropy_generation_WK": 78.7973892853287, "external_drag_area_reduction_to_offset_duct_m2": 0.0, "stagnation_inlet_K": 293.5340072353107, "stagnation_exit_K": 290.54823372407594, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 1.8189894035458565e-11, "ground": { "additional_normal_force_N": 0.0, "electrical_power_W": 0.0, "vertical_discharge_capture_drag_N": 0.0 }, "road_power_to_hold_speed_W": 14533.836829099011, "auxiliary_bus_net_charge_W": -14481.536882851839, "battery_endurance_s_if_discharging": 6.905344426420235, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 100, "mode": "powered", "thermal": "hot", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 9.387369213570746, "inlet_capture_area_m2": 0.2806578781278235, "inlet_capture_fraction": 0.4897816734838361, "exit_volume_flow_m3s": 7.9077472459267275, "upstream_throat_Mach": 0.17466547028127538, "rear_throat_Mach": 0.17502611614317334, "exit_Mach": 0.12135981125967978, "exit_velocity_ms": 41.95190209692497, "net_forward_duct_force_N": 133.05773826288674, "opposing_duct_drag_N": -133.05773826288674, "duct_road_power_W": -3696.0482850801873, "electrical_input_W": 26359.02082484444, "generator_electric_W": 0.0, "heat_W": 20000.0, "N2_rate_kgs": 0.0, "N2_electric_W": 0.0, "N2_hot_heat_required_W": 0.0, "N2_reversible_restoration_floor_W": 0.0, "N2_initial_inventory_duration_s": null, "energy_residual_W": 2.1827872842550278e-10, "mass_residual_kgs": 2.0971668845959357e-11, "entropy_generation_WK": 74.13101390337305, "external_drag_area_reduction_to_offset_duct_m2": 0.0, "stagnation_inlet_K": 293.5340072353107, "stagnation_exit_K": 298.22588529251163, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 2.1827872842550278e-10, "ground": { "additional_normal_force_N": 0.0, "electrical_power_W": 0.0, "vertical_discharge_capture_drag_N": 0.0 }, "road_power_to_hold_speed_W": 14444.425606699257, "auxiliary_bus_net_charge_W": -26559.02082484444, "battery_endurance_s_if_discharging": 3.7651990508044535, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 200, "mode": "bypass", "thermal": "neutral", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 8.661332282836597, "inlet_capture_area_m2": 0.12947563289333366, "inlet_capture_fraction": 0.22595051518558834, "exit_volume_flow_m3s": 7.21289979393372, "upstream_throat_Mach": 0.15888202341599947, "rear_throat_Mach": 0.1603171687807101, "exit_Mach": 0.11133298475340782, "exit_velocity_ms": 38.26562187436879, "net_forward_duct_force_N": -149.75386076096126, "opposing_duct_drag_N": 149.75386076096126, "duct_road_power_W": 8319.658931164515, "electrical_input_W": 0.0, "generator_electric_W": 0.0, "heat_W": 0.0, "N2_rate_kgs": 0.0, "N2_electric_W": 0.0, "N2_hot_heat_required_W": 0.0, "N2_reversible_restoration_floor_W": 0.0, "N2_initial_inventory_duration_s": null, "energy_residual_W": 0.0, "mass_residual_kgs": 7.105427357601002e-15, "entropy_generation_WK": 23.931046732986772, "external_drag_area_reduction_to_offset_duct_m2": 0.08059050381799228, "stagnation_inlet_K": 294.6860289412429, "stagnation_exit_K": 294.6860289412429, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 0.0, "ground": { "additional_normal_force_N": 0.0, "electrical_power_W": 0.0, "vertical_discharge_capture_drag_N": 0.0 }, "road_power_to_hold_speed_W": 100346.82506540006, "auxiliary_bus_net_charge_W": -200.0, "battery_endurance_s_if_discharging": 500.0, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 200, "mode": "bypass", "thermal": "matched-hx", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 8.076846326979274, "inlet_capture_area_m2": 0.12073832937227447, "inlet_capture_fraction": 0.21070287215191735, "exit_volume_flow_m3s": 6.728322436653967, "upstream_throat_Mach": 0.14786151097957373, "rear_throat_Mach": 0.14936427863965523, "exit_Mach": 0.10383669597553058, "exit_velocity_ms": 35.69485915041551, "net_forward_duct_force_N": -160.41179281111133, "opposing_duct_drag_N": 160.41179281111133, "duct_road_power_W": 8911.766267283963, "electrical_input_W": 0.0, "generator_electric_W": 0.0, "heat_W": 0.0, "N2_rate_kgs": 0.0, "N2_electric_W": 0.0, "N2_hot_heat_required_W": 0.0, "N2_reversible_restoration_floor_W": 0.0, "N2_initial_inventory_duration_s": null, "energy_residual_W": 0.0, "mass_residual_kgs": -2.1728396859543864e-11, "entropy_generation_WK": 24.927803085788568, "external_drag_area_reduction_to_offset_duct_m2": 0.08632610294855861, "stagnation_inlet_K": 294.6860289412429, "stagnation_exit_K": 294.6860289412429, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 0.0, "ground": { "additional_normal_force_N": 0.0, "electrical_power_W": 0.0, "vertical_discharge_capture_drag_N": 0.0 }, "road_power_to_hold_speed_W": 100938.9324015195, "auxiliary_bus_net_charge_W": -200.0, "battery_endurance_s_if_discharging": 500.0, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 200, "mode": "bypass", "thermal": "cold", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 8.17137571221853, "inlet_capture_area_m2": 0.12215142052051779, "inlet_capture_fraction": 0.21316888576246917, "exit_volume_flow_m3s": 6.654784636734201, "upstream_throat_Mach": 0.1496393147235476, "rear_throat_Mach": 0.14941321528338877, "exit_Mach": 0.10387024243109945, "exit_velocity_ms": 35.30472900584162, "net_forward_duct_force_N": -165.4771122206854, "opposing_duct_drag_N": 165.4771122206854, "duct_road_power_W": 9193.17290114919, "electrical_input_W": 0.0, "generator_electric_W": 0.0, "heat_W": -54118.928522844246, "N2_rate_kgs": 0.11562536439032704, "N2_electric_W": 12111.45720139032, "N2_hot_heat_required_W": 5593.489828758733, "N2_reversible_restoration_floor_W": 85757.73818245454, "N2_initial_inventory_duration_s": 86.4862139265749, "energy_residual_W": 1.4551915228366852e-11, "mass_residual_kgs": -2.0828849756071577e-10, "entropy_generation_WK": 37.60236222252188, "external_drag_area_reduction_to_offset_duct_m2": 0.08905202027143973, "stagnation_inlet_K": 294.6860289412429, "stagnation_exit_K": 288.0938586962024, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 7.275957614183426e-12, "ground": { "additional_normal_force_N": 0.0, "electrical_power_W": 0.0, "vertical_discharge_capture_drag_N": 0.0 }, "road_power_to_hold_speed_W": 101220.33903538472, "auxiliary_bus_net_charge_W": 11911.45720139032, "battery_endurance_s_if_discharging": null, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 200, "mode": "bypass", "thermal": "hot", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 8.042191261691677, "inlet_capture_area_m2": 0.1202202812978503, "inlet_capture_fraction": 0.2097988161014366, "exit_volume_flow_m3s": 6.75573111344343, "upstream_throat_Mach": 0.14721018370975728, "rear_throat_Mach": 0.1493465159610531, "exit_Mach": 0.10382451940855325, "exit_velocity_ms": 35.840266698491035, "net_forward_duct_force_N": -158.5541237680061, "opposing_duct_drag_N": 158.5541237680061, "duct_road_power_W": 8808.562431555894, "electrical_input_W": 0.0, "generator_electric_W": 0.0, "heat_W": 20000.0, "N2_rate_kgs": 0.0, "N2_electric_W": 0.0, "N2_hot_heat_required_W": 0.0, "N2_reversible_restoration_floor_W": 0.0, "N2_initial_inventory_duration_s": null, "energy_residual_W": -7.275957614183426e-12, "mass_residual_kgs": -3.7768543847960245e-10, "entropy_generation_WK": 32.37729176389192, "external_drag_area_reduction_to_offset_duct_m2": 0.08532639260152518, "stagnation_inlet_K": 294.6860289412429, "stagnation_exit_K": 297.16134125734425, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": -7.275957614183426e-12, "ground": { "additional_normal_force_N": 0.0, "electrical_power_W": 0.0, "vertical_discharge_capture_drag_N": 0.0 }, "road_power_to_hold_speed_W": 100835.72856579143, "auxiliary_bus_net_charge_W": -200.0, "battery_endurance_s_if_discharging": 500.0, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 200, "mode": "generator", "thermal": "neutral", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 7.311789269663796, "inlet_capture_area_m2": 0.10930172314811147, "inlet_capture_fraction": 0.1907446220118836, "exit_volume_flow_m3s": 6.087690028981044, "upstream_throat_Mach": 0.13353359631282857, "rear_throat_Mach": 0.1350076246905337, "exit_Mach": 0.09397550139981548, "exit_velocity_ms": 32.296198670785245, "net_forward_duct_force_N": -170.06751608934155, "opposing_duct_drag_N": 170.06751608934155, "duct_road_power_W": 9448.195338296753, "electrical_input_W": 0.0, "generator_electric_W": 1816.9650908450235, "heat_W": 0.0, "N2_rate_kgs": 0.0, "N2_electric_W": 0.0, "N2_hot_heat_required_W": 0.0, "N2_reversible_restoration_floor_W": 0.0, "N2_initial_inventory_duration_s": null, "energy_residual_W": 0.0, "mass_residual_kgs": 1.4654943925052066e-13, "entropy_generation_WK": 18.572833289223396, "external_drag_area_reduction_to_offset_duct_m2": 0.09152236032560078, "stagnation_inlet_K": 294.6860289412429, "stagnation_exit_K": 294.4112048427191, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 0.0, "ground": { "status": "ASSUMED_INSTALLED_MAP", "speed_kmh": 200, "gap_m": 0.001, "delta_Cp": 0.0, "pressure_bias_Pa": 0.0, "vacuum_relative_to_leak_source_Pa": 2012.20085683633, "additional_normal_force_N": 5815.05925617131, "electrical_power_W": 2055.008309419959, "mass_flow_kgs": 0.6516012788276218, "flow_mass_residual_kgs": -6.106226635438361e-15, "fan_head_Pa": 2084.202316587608, "vertical_discharge_capture_drag_N": 36.20007104597899, "isolated_fan_thrust_added": false }, "road_power_to_hold_speed_W": 108332.35924411831, "auxiliary_bus_net_charge_W": -438.0432185749355, "battery_endurance_s_if_discharging": 228.28797652735062, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 200, "mode": "generator", "thermal": "matched-hx", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 6.949708147156745, "inlet_capture_area_m2": 0.1038890821173282, "inlet_capture_fraction": 0.1812989139501383, "exit_volume_flow_m3s": 5.787726841606859, "upstream_throat_Mach": 0.1267877803509046, "rear_throat_Mach": 0.1282679306527975, "exit_Mach": 0.08933339708562753, "exit_velocity_ms": 30.70484453827767, "net_forward_duct_force_N": -172.70518881940853, "opposing_duct_drag_N": 172.70518881940853, "duct_road_power_W": 9594.732712189363, "electrical_input_W": 0.0, "generator_electric_W": 1561.6663665105796, "heat_W": 0.0, "N2_rate_kgs": 0.0, "N2_electric_W": 0.0, "N2_hot_heat_required_W": 0.0, "N2_reversible_restoration_floor_W": 0.0, "N2_initial_inventory_duration_s": null, "energy_residual_W": 0.0, "mass_residual_kgs": -3.0899194314315537e-10, "entropy_generation_WK": 19.463294068815447, "external_drag_area_reduction_to_offset_duct_m2": 0.09294183207172414, "stagnation_inlet_K": 294.6860289412429, "stagnation_exit_K": 294.43751338159524, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 0.0, "ground": { "status": "ASSUMED_INSTALLED_MAP", "speed_kmh": 200, "gap_m": 0.001, "delta_Cp": 0.0, "pressure_bias_Pa": 0.0, "vacuum_relative_to_leak_source_Pa": 2012.20085683633, "additional_normal_force_N": 5815.05925617131, "electrical_power_W": 2055.008309419959, "mass_flow_kgs": 0.6516012788276218, "flow_mass_residual_kgs": -6.106226635438361e-15, "fan_head_Pa": 2084.202316587608, "vertical_discharge_capture_drag_N": 36.20007104597899, "isolated_fan_thrust_added": false }, "road_power_to_hold_speed_W": 108478.89661801093, "auxiliary_bus_net_charge_W": -693.3419429093794, "battery_endurance_s_if_discharging": 144.22897824467847, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 200, "mode": "generator", "thermal": "cold", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 7.041024159388649, "inlet_capture_area_m2": 0.10525413752577271, "inlet_capture_fraction": 0.18368109943093075, "exit_volume_flow_m3s": 5.7156514854762746, "upstream_throat_Mach": 0.12848704230486377, "rear_throat_Mach": 0.12830180037715172, "exit_Mach": 0.08935674491485181, "exit_velocity_ms": 30.322472896803593, "net_forward_duct_force_N": -177.66674461612334, "opposing_duct_drag_N": 177.66674461612334, "duct_road_power_W": 9870.374700895742, "electrical_input_W": 0.0, "generator_electric_W": 1543.0216906977596, "heat_W": -52655.80135967979, "N2_rate_kgs": 0.11249938580930498, "N2_electric_W": 11784.019048039265, "N2_hot_heat_required_W": 5442.267564594978, "N2_reversible_restoration_floor_W": 83439.24297918513, "N2_initial_inventory_duration_s": 88.8893741780134, "energy_residual_W": -3.3651303965598345e-11, "mass_residual_kgs": -1.900701818158268e-13, "entropy_generation_WK": 31.502616003341988, "external_drag_area_reduction_to_offset_duct_m2": 0.0956119086850849, "stagnation_inlet_K": 294.6860289412429, "stagnation_exit_K": 287.0000346263777, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": -3.2741809263825417e-11, "ground": { "status": "ASSUMED_INSTALLED_MAP", "speed_kmh": 200, "gap_m": 0.001, "delta_Cp": 0.0, "pressure_bias_Pa": 0.0, "vacuum_relative_to_leak_source_Pa": 2012.20085683633, "additional_normal_force_N": 5815.05925617131, "electrical_power_W": 2055.008309419959, "mass_flow_kgs": 0.6516012788276218, "flow_mass_residual_kgs": -6.106226635438361e-15, "fan_head_Pa": 2084.202316587608, "vertical_discharge_capture_drag_N": 36.20007104597899, "isolated_fan_thrust_added": false }, "road_power_to_hold_speed_W": 108754.53860671731, "auxiliary_bus_net_charge_W": 11072.032429317067, "battery_endurance_s_if_discharging": null, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 200, "mode": "generator", "thermal": "hot", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 6.915335665450028, "inlet_capture_area_m2": 0.10337525829926378, "inlet_capture_fraction": 0.18040222973387401, "exit_volume_flow_m3s": 5.8153624051136195, "upstream_throat_Mach": 0.12614850187990692, "rear_throat_Mach": 0.12825531766396822, "exit_Mach": 0.08932470236598049, "exit_velocity_ms": 30.85145575482069, "net_forward_duct_force_N": -170.83714243486423, "opposing_duct_drag_N": 170.83714243486423, "duct_road_power_W": 9490.952357492457, "electrical_input_W": 0.0, "generator_electric_W": 1568.8189104960031, "heat_W": 20000.0, "N2_rate_kgs": 0.0, "N2_electric_W": 0.0, "N2_hot_heat_required_W": 0.0, "N2_reversible_restoration_floor_W": 0.0, "N2_initial_inventory_duration_s": null, "energy_residual_W": 1.1073097994085401e-10, "mass_residual_kgs": -1.1368683772161603e-13, "entropy_generation_WK": 26.876797134512497, "external_drag_area_reduction_to_offset_duct_m2": 0.09193653712626622, "stagnation_inlet_K": 294.6860289412429, "stagnation_exit_K": 297.3137993138702, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 1.1073097994085401e-10, "ground": { "status": "ASSUMED_INSTALLED_MAP", "speed_kmh": 200, "gap_m": 0.001, "delta_Cp": 0.0, "pressure_bias_Pa": 0.0, "vacuum_relative_to_leak_source_Pa": 2012.20085683633, "additional_normal_force_N": 5815.05925617131, "electrical_power_W": 2055.008309419959, "mass_flow_kgs": 0.6516012788276218, "flow_mass_residual_kgs": -6.106226635438361e-15, "fan_head_Pa": 2084.202316587608, "vertical_discharge_capture_drag_N": 36.20007104597899, "isolated_fan_thrust_added": false }, "road_power_to_hold_speed_W": 108375.11626331403, "auxiliary_bus_net_charge_W": -686.1893989239559, "battery_endurance_s_if_discharging": 145.73235925360322, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 200, "mode": "powered", "thermal": "neutral", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 12.551911783328627, "inlet_capture_area_m2": 0.18763472744120638, "inlet_capture_fraction": 0.3274451136838651, "exit_volume_flow_m3s": 10.514109511089115, "upstream_throat_Mach": 0.23435374739368847, "rear_throat_Mach": 0.23520750496913387, "exit_Mach": 0.1618146134514942, "exit_velocity_ms": 55.779083363891864, "net_forward_duct_force_N": 2.8057013313526293, "opposing_duct_drag_N": -2.8057013313526293, "duct_road_power_W": -155.8722961862572, "electrical_input_W": 34846.37101875219, "generator_electric_W": 0.0, "heat_W": 0.0, "N2_rate_kgs": 0.0, "N2_electric_W": 0.0, "N2_hot_heat_required_W": 0.0, "N2_reversible_restoration_floor_W": 0.0, "N2_initial_inventory_duration_s": null, "energy_residual_W": 0.0, "mass_residual_kgs": -1.3060663661690342e-10, "entropy_generation_WK": 108.35956637967145, "external_drag_area_reduction_to_offset_duct_m2": 0.0, "stagnation_inlet_K": 294.6860289412429, "stagnation_exit_K": 297.22823008542315, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 0.0, "ground": { "additional_normal_force_N": 0.0, "electrical_power_W": 0.0, "vertical_discharge_capture_drag_N": 0.0 }, "road_power_to_hold_speed_W": 91871.29383804929, "auxiliary_bus_net_charge_W": -35046.37101875219, "battery_endurance_s_if_discharging": 2.853362476431389, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 200, "mode": "powered", "thermal": "matched-hx", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 11.709843732643188, "inlet_capture_area_m2": 0.17504690720276536, "inlet_capture_fraction": 0.3054778569546975, "exit_volume_flow_m3s": 9.815551292347518, "upstream_throat_Mach": 0.2176537059527721, "rear_throat_Mach": 0.21898741638774372, "exit_Mach": 0.15101130166157242, "exit_velocity_ms": 52.07311691163647, "net_forward_duct_force_N": -40.778812328804904, "opposing_duct_drag_N": 40.778812328804904, "duct_road_power_W": 2265.4895738224945, "electrical_input_W": 32586.23235964677, "generator_electric_W": 0.0, "heat_W": 0.0, "N2_rate_kgs": 0.0, "N2_electric_W": 0.0, "N2_hot_heat_required_W": 0.0, "N2_reversible_restoration_floor_W": 0.0, "N2_initial_inventory_duration_s": null, "energy_residual_W": 0.0, "mass_residual_kgs": 4.1033842990145786e-13, "entropy_generation_WK": 109.24328937759527, "external_drag_area_reduction_to_offset_duct_m2": 0.021945244109088484, "stagnation_inlet_K": 294.6860289412429, "stagnation_exit_K": 297.23429800742207, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 0.0, "ground": { "additional_normal_force_N": 0.0, "electrical_power_W": 0.0, "vertical_discharge_capture_drag_N": 0.0 }, "road_power_to_hold_speed_W": 94292.65570805802, "auxiliary_bus_net_charge_W": -32786.23235964677, "battery_endurance_s_if_discharging": 3.0500607359532963, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 200, "mode": "powered", "thermal": "cold", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 11.809808079874616, "inlet_capture_area_m2": 0.17654124395165166, "inlet_capture_fraction": 0.3080856538870344, "exit_volume_flow_m3s": 9.737691814894125, "upstream_throat_Mach": 0.21962420787445358, "rear_throat_Mach": 0.21904804077645126, "exit_Mach": 0.15105182809475914, "exit_velocity_ms": 51.660059554869754, "net_forward_duct_force_N": -46.00506014401845, "opposing_duct_drag_N": 46.00506014401845, "duct_road_power_W": 2555.8366746676916, "electrical_input_W": 32327.551902066578, "generator_electric_W": 0.0, "heat_W": -57087.197261922294, "N2_rate_kgs": 0.12196708555761594, "N2_electric_W": 12775.736054959892, "N2_hot_heat_required_W": 5900.2767784310145, "N2_reversible_restoration_floor_W": 90461.30531375077, "N2_initial_inventory_duration_s": 81.98933305884486, "energy_residual_W": -8.003553375601768e-11, "mass_residual_kgs": -1.545430450278218e-12, "entropy_generation_WK": 123.82086225707702, "external_drag_area_reduction_to_offset_duct_m2": 0.02475776555171121, "stagnation_inlet_K": 294.6860289412429, "stagnation_exit_K": 292.3812833974515, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": -8.36735125631094e-11, "ground": { "additional_normal_force_N": 0.0, "electrical_power_W": 0.0, "vertical_discharge_capture_drag_N": 0.0 }, "road_power_to_hold_speed_W": 94583.00280890323, "auxiliary_bus_net_charge_W": -19751.815847106685, "battery_endurance_s_if_discharging": 5.062825654819394, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 200, "mode": "powered", "thermal": "hot", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 11.6750256840614, "inlet_capture_area_m2": 0.17452642274044178, "inlet_capture_fraction": 0.30456954911499, "exit_volume_flow_m3s": 9.842999297684331, "upstream_throat_Mach": 0.21696810294600793, "rear_throat_Mach": 0.2189664820648945, "exit_Mach": 0.15099730714424014, "exit_velocity_ms": 52.218733100275124, "net_forward_duct_force_N": -38.95748786856011, "opposing_duct_drag_N": 38.95748786856011, "duct_road_power_W": 2164.3048815866728, "electrical_input_W": 32677.42495690698, "generator_electric_W": 0.0, "heat_W": 20000.0, "N2_rate_kgs": 0.0, "N2_electric_W": 0.0, "N2_hot_heat_required_W": 0.0, "N2_reversible_restoration_floor_W": 0.0, "N2_initial_inventory_duration_s": null, "energy_residual_W": -2.000888343900442e-10, "mass_residual_kgs": 5.087308352358377e-10, "entropy_generation_WK": 116.56886634527514, "external_drag_area_reduction_to_offset_duct_m2": 0.020965092711847013, "stagnation_inlet_K": 294.6860289412429, "stagnation_exit_K": 298.95413727572253, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": -2.000888343900442e-10, "ground": { "additional_normal_force_N": 0.0, "electrical_power_W": 0.0, "vertical_discharge_capture_drag_N": 0.0 }, "road_power_to_hold_speed_W": 94191.47101582222, "auxiliary_bus_net_charge_W": -32877.42495690698, "battery_endurance_s_if_discharging": 3.0416007376207768, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 300, "mode": "bypass", "thermal": "neutral", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 13.019374350248732, "inlet_capture_area_m2": 0.1297484558439181, "inlet_capture_fraction": 0.22642662397039562, "exit_volume_flow_m3s": 10.878702504171418, "upstream_throat_Mach": 0.23896423404558978, "rear_throat_Mach": 0.2439954124741995, "exit_Mach": 0.16763324821883, "exit_velocity_ms": 57.713309266446124, "net_forward_duct_force_N": -333.5566841891892, "opposing_duct_drag_N": 333.5566841891892, "duct_road_power_W": 27796.390349099096, "electrical_input_W": 0.0, "generator_electric_W": 0.0, "heat_W": 0.0, "N2_rate_kgs": 0.0, "N2_electric_W": 0.0, "N2_hot_heat_required_W": 0.0, "N2_reversible_restoration_floor_W": 0.0, "N2_initial_inventory_duration_s": null, "energy_residual_W": 0.0, "mass_residual_kgs": -2.1297275054621423e-10, "entropy_generation_WK": 79.99885213148372, "external_drag_area_reduction_to_offset_duct_m2": 0.07977980547270384, "stagnation_inlet_K": 296.6060651177965, "stagnation_exit_K": 296.6060651177965, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 0.0, "ground": { "additional_normal_force_N": 0.0, "electrical_power_W": 0.0, "vertical_discharge_capture_drag_N": 0.0 }, "road_power_to_hold_speed_W": 305202.68542714394, "auxiliary_bus_net_charge_W": -200.0, "battery_endurance_s_if_discharging": 500.0, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 300, "mode": "bypass", "thermal": "matched-hx", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 12.151195801280192, "inlet_capture_area_m2": 0.12109636373141734, "inlet_capture_fraction": 0.21132768506917968, "exit_volume_flow_m3s": 10.16055688748198, "upstream_throat_Mach": 0.22199598179077198, "rear_throat_Mach": 0.22722953912068447, "exit_Mach": 0.15651098268812658, "exit_velocity_ms": 53.903428440292885, "net_forward_duct_force_N": -357.6085367683829, "opposing_duct_drag_N": 357.6085367683829, "duct_road_power_W": 29800.71139736524, "electrical_input_W": 0.0, "generator_electric_W": 0.0, "heat_W": 0.0, "N2_rate_kgs": 0.0, "N2_electric_W": 0.0, "N2_hot_heat_required_W": 0.0, "N2_reversible_restoration_floor_W": 0.0, "N2_initial_inventory_duration_s": null, "energy_residual_W": 0.0, "mass_residual_kgs": 2.8030910925735952e-12, "entropy_generation_WK": 83.42068904525554, "external_drag_area_reduction_to_offset_duct_m2": 0.08553250722020615, "stagnation_inlet_K": 296.6060651177965, "stagnation_exit_K": 296.6060651177965, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 0.0, "ground": { "additional_normal_force_N": 0.0, "electrical_power_W": 0.0, "vertical_discharge_capture_drag_N": 0.0 }, "road_power_to_hold_speed_W": 307207.0064754101, "auxiliary_bus_net_charge_W": -200.0, "battery_endurance_s_if_discharging": 500.0, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 300, "mode": "bypass", "thermal": "cold", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 12.259886654296851, "inlet_capture_area_m2": 0.12217955482523517, "inlet_capture_fraction": 0.21321798350003743, "exit_volume_flow_m3s": 10.076165836737674, "upstream_throat_Mach": 0.22410705663033353, "rear_throat_Mach": 0.22729589598180602, "exit_Mach": 0.15655517706645644, "exit_velocity_ms": 53.45572001104124, "net_forward_duct_force_N": -366.29615283221335, "opposing_duct_drag_N": 366.29615283221335, "duct_road_power_W": 30524.679402684444, "electrical_input_W": 0.0, "generator_electric_W": 0.0, "heat_W": -62454.04626327288, "N2_rate_kgs": 0.1334333855814068, "N2_electric_W": 13976.801260061739, "N2_hot_heat_required_W": 6454.97023081278, "N2_reversible_restoration_floor_W": 98965.70191000479, "N2_initial_inventory_duration_s": 74.94376281038802, "energy_residual_W": 2.9103830456733704e-11, "mass_residual_kgs": -5.74651437545981e-12, "entropy_generation_WK": 100.39390435721144, "external_drag_area_reduction_to_offset_duct_m2": 0.08761040387899657, "stagnation_inlet_K": 296.6060651177965, "stagnation_exit_K": 291.5355914690154, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 2.7284841053187847e-11, "ground": { "additional_normal_force_N": 0.0, "electrical_power_W": 0.0, "vertical_discharge_capture_drag_N": 0.0 }, "road_power_to_hold_speed_W": 307930.9744807293, "auxiliary_bus_net_charge_W": 13776.801260061739, "battery_endurance_s_if_discharging": null, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 300, "mode": "bypass", "thermal": "hot", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 12.116596464336107, "inlet_capture_area_m2": 0.1207515537258864, "inlet_capture_fraction": 0.21072595023576093, "exit_volume_flow_m3s": 10.187755221024346, "upstream_throat_Mach": 0.2213247342984607, "rear_throat_Mach": 0.22720860392117023, "exit_Mach": 0.1564970393478214, "exit_velocity_ms": 54.04772008312249, "net_forward_duct_force_N": -354.8419579634165, "opposing_duct_drag_N": 354.8419579634165, "duct_road_power_W": 29570.163163618043, "electrical_input_W": 0.0, "generator_electric_W": 0.0, "heat_W": 20000.0, "N2_rate_kgs": 0.0, "N2_electric_W": 0.0, "N2_hot_heat_required_W": 0.0, "N2_reversible_restoration_floor_W": 0.0, "N2_initial_inventory_duration_s": null, "energy_residual_W": 1.5643308870494366e-10, "mass_residual_kgs": -4.2882142281541746e-10, "entropy_generation_WK": 90.40415252959724, "external_drag_area_reduction_to_offset_duct_m2": 0.0848707992426801, "stagnation_inlet_K": 296.6060651177965, "stagnation_exit_K": 298.2490128826331, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 1.5643308870494366e-10, "ground": { "additional_normal_force_N": 0.0, "electrical_power_W": 0.0, "vertical_discharge_capture_drag_N": 0.0 }, "road_power_to_hold_speed_W": 306976.4582416629, "auxiliary_bus_net_charge_W": -200.0, "battery_endurance_s_if_discharging": 500.0, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 300, "mode": "generator", "thermal": "neutral", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 10.999832071838119, "inlet_capture_area_m2": 0.10962210529234345, "inlet_capture_fraction": 0.19130372729623554, "exit_volume_flow_m3s": 9.186644631948866, "upstream_throat_Mach": 0.19984766467516102, "rear_throat_Mach": 0.20494396694427264, "exit_Mach": 0.1415950394534824, "exit_velocity_ms": 48.73666345349645, "net_forward_duct_force_N": -380.55755892302005, "opposing_duct_drag_N": 380.55755892302005, "duct_road_power_W": 31713.129910251668, "electrical_input_W": 0.0, "generator_electric_W": 6189.4913373931395, "heat_W": 0.0, "N2_rate_kgs": 0.0, "N2_electric_W": 0.0, "N2_hot_heat_required_W": 0.0, "N2_reversible_restoration_floor_W": 0.0, "N2_initial_inventory_duration_s": null, "energy_residual_W": 0.0, "mass_residual_kgs": -1.2077450151082303e-11, "entropy_generation_WK": 62.08997945544452, "external_drag_area_reduction_to_offset_duct_m2": 0.09102143491996491, "stagnation_inlet_K": 296.6060651177965, "stagnation_exit_K": 295.98376368720403, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 0.0, "ground": { "status": "ASSUMED_INSTALLED_MAP", "speed_kmh": 300, "gap_m": 0.001, "delta_Cp": 0.0, "pressure_bias_Pa": 0.0, "vacuum_relative_to_leak_source_Pa": 2012.20085683633, "additional_normal_force_N": 5815.05925617131, "electrical_power_W": 2055.008309419959, "mass_flow_kgs": 0.6516012788276218, "flow_mass_residual_kgs": -6.106226635438361e-15, "fan_head_Pa": 2084.202316587608, "vertical_discharge_capture_drag_N": 54.300106568968474, "isolated_fan_thrust_added": false }, "road_power_to_hold_speed_W": 320913.25793925807, "auxiliary_bus_net_charge_W": 3934.4830279731805, "battery_endurance_s_if_discharging": null, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 300, "mode": "generator", "thermal": "matched-hx", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 10.460614163929105, "inlet_capture_area_m2": 0.10424836850342885, "inlet_capture_fraction": 0.18192591180467277, "exit_volume_flow_m3s": 8.741352339100922, "upstream_throat_Mach": 0.18959989164720595, "rear_throat_Mach": 0.19470108272132292, "exit_Mach": 0.13469282369862637, "exit_velocity_ms": 46.37431446922371, "net_forward_duct_force_N": -386.61403621483623, "opposing_duct_drag_N": 386.61403621483623, "duct_road_power_W": 32217.83635123635, "electrical_input_W": 0.0, "generator_electric_W": 5334.411503189014, "heat_W": 0.0, "N2_rate_kgs": 0.0, "N2_electric_W": 0.0, "N2_hot_heat_required_W": 0.0, "N2_reversible_restoration_floor_W": 0.0, "N2_initial_inventory_duration_s": null, "energy_residual_W": 0.0, "mass_residual_kgs": -6.751932346560352e-12, "entropy_generation_WK": 65.11010426513616, "external_drag_area_reduction_to_offset_duct_m2": 0.09247001803370304, "stagnation_inlet_K": 296.6060651177965, "stagnation_exit_K": 296.0420883345987, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 0.0, "ground": { "status": "ASSUMED_INSTALLED_MAP", "speed_kmh": 300, "gap_m": 0.001, "delta_Cp": 0.0, "pressure_bias_Pa": 0.0, "vacuum_relative_to_leak_source_Pa": 2012.20085683633, "additional_normal_force_N": 5815.05925617131, "electrical_power_W": 2055.008309419959, "mass_flow_kgs": 0.6516012788276218, "flow_mass_residual_kgs": -6.106226635438361e-15, "fan_head_Pa": 2084.202316587608, "vertical_discharge_capture_drag_N": 54.300106568968474, "isolated_fan_thrust_added": false }, "road_power_to_hold_speed_W": 321417.96438024275, "auxiliary_bus_net_charge_W": 3079.403193769055, "battery_endurance_s_if_discharging": null, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 300, "mode": "generator", "thermal": "cold", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 10.566312150998053, "inlet_capture_area_m2": 0.10530173329954477, "inlet_capture_fraction": 0.1837641597671819, "exit_volume_flow_m3s": 8.65775918727098, "upstream_throat_Mach": 0.19160280237460064, "rear_throat_Mach": 0.1947454428883091, "exit_Mach": 0.13472277571127442, "exit_velocity_ms": 45.930839025167764, "net_forward_duct_force_N": -395.20643008600535, "opposing_duct_drag_N": 395.20643008600535, "duct_road_power_W": 32933.86917383378, "electrical_input_W": 0.0, "generator_electric_W": 5285.727305538254, "heat_W": -61299.19885072262, "N2_rate_kgs": 0.13096604824609748, "N2_electric_W": 13718.354069901001, "N2_hot_heat_required_W": 6335.610379607641, "N2_reversible_restoration_floor_W": 97135.71183537932, "N2_initial_inventory_duration_s": 76.35566724292592, "energy_residual_W": 8.185452315956354e-12, "mass_residual_kgs": -1.2162715279373515e-11, "entropy_generation_WK": 81.45099016839616, "external_drag_area_reduction_to_offset_duct_m2": 0.0945251395290286, "stagnation_inlet_K": 296.6060651177965, "stagnation_exit_K": 290.27844017893904, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 5.4569682106375694e-12, "ground": { "status": "ASSUMED_INSTALLED_MAP", "speed_kmh": 300, "gap_m": 0.001, "delta_Cp": 0.0, "pressure_bias_Pa": 0.0, "vacuum_relative_to_leak_source_Pa": 2012.20085683633, "additional_normal_force_N": 5815.05925617131, "electrical_power_W": 2055.008309419959, "mass_flow_kgs": 0.6516012788276218, "flow_mass_residual_kgs": -6.106226635438361e-15, "fan_head_Pa": 2084.202316587608, "vertical_discharge_capture_drag_N": 54.300106568968474, "isolated_fan_thrust_added": false }, "road_power_to_hold_speed_W": 322133.99720284017, "auxiliary_bus_net_charge_W": 16749.073066019297, "battery_endurance_s_if_discharging": null, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 300, "mode": "generator", "thermal": "hot", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 10.426359173180934, "inlet_capture_area_m2": 0.10390699018255448, "inlet_capture_fraction": 0.18133016567274768, "exit_volume_flow_m3s": 8.768819111802786, "upstream_throat_Mach": 0.18895137982409532, "rear_throat_Mach": 0.19468684031378578, "exit_Mach": 0.13468320710811696, "exit_velocity_ms": 46.52003022413853, "net_forward_duct_force_N": -383.82872056764614, "opposing_duct_drag_N": 383.82872056764614, "duct_road_power_W": 31985.72671397051, "electrical_input_W": 0.0, "generator_electric_W": 5350.416007211883, "heat_W": 20000.0, "N2_rate_kgs": 0.0, "N2_electric_W": 0.0, "N2_hot_heat_required_W": 0.0, "N2_reversible_restoration_floor_W": 0.0, "N2_initial_inventory_duration_s": null, "energy_residual_W": 1.2641976354643703e-10, "mass_residual_kgs": -1.538502658604557e-11, "entropy_generation_WK": 72.08549306156047, "external_drag_area_reduction_to_offset_duct_m2": 0.09180382859410881, "stagnation_inlet_K": 296.6060651177965, "stagnation_exit_K": 297.9478270200203, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 1.2641976354643703e-10, "ground": { "status": "ASSUMED_INSTALLED_MAP", "speed_kmh": 300, "gap_m": 0.001, "delta_Cp": 0.0, "pressure_bias_Pa": 0.0, "vacuum_relative_to_leak_source_Pa": 2012.20085683633, "additional_normal_force_N": 5815.05925617131, "electrical_power_W": 2055.008309419959, "mass_flow_kgs": 0.6516012788276218, "flow_mass_residual_kgs": -6.106226635438361e-15, "fan_head_Pa": 2084.202316587608, "vertical_discharge_capture_drag_N": 54.300106568968474, "isolated_fan_thrust_added": false }, "road_power_to_hold_speed_W": 321185.8547429769, "auxiliary_bus_net_charge_W": 3095.407697791924, "battery_endurance_s_if_discharging": null, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 300, "mode": "powered", "thermal": "neutral", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 15.829011268437597, "inlet_capture_area_m2": 0.15774873003605738, "inlet_capture_fraction": 0.275290462189775, "exit_volume_flow_m3s": 13.303040161052122, "upstream_throat_Mach": 0.2958041317816607, "rear_throat_Mach": 0.30051174891366794, "exit_Mach": 0.20439906183087908, "exit_velocity_ms": 70.57481999271535, "net_forward_duct_force_N": -201.9546514371589, "opposing_duct_drag_N": 201.9546514371589, "duct_road_power_W": 16829.554286429906, "electrical_input_W": 43747.536999037344, "generator_electric_W": 0.0, "heat_W": 0.0, "N2_rate_kgs": 0.0, "N2_electric_W": 0.0, "N2_hot_heat_required_W": 0.0, "N2_reversible_restoration_floor_W": 0.0, "N2_initial_inventory_duration_s": null, "energy_residual_W": 0.0, "mass_residual_kgs": -8.526512829121202e-14, "entropy_generation_WK": 189.1789141817585, "external_drag_area_reduction_to_offset_duct_m2": 0.04830334263913529, "stagnation_inlet_K": 296.6060651177965, "stagnation_exit_K": 299.1368897378133, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 0.0, "ground": { "additional_normal_force_N": 0.0, "electrical_power_W": 0.0, "vertical_discharge_capture_drag_N": 0.0 }, "road_power_to_hold_speed_W": 294235.84936447477, "auxiliary_bus_net_charge_W": -43947.536999037344, "battery_endurance_s_if_discharging": 2.275440373420482, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 300, "mode": "powered", "thermal": "matched-hx", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 14.78008530673072, "inlet_capture_area_m2": 0.1472953457055374, "inlet_capture_fraction": 0.25704805223098526, "exit_volume_flow_m3s": 12.435000226327112, "upstream_throat_Mach": 0.27420169572222824, "rear_throat_Mach": 0.27963443950436334, "exit_Mach": 0.1909580283800914, "exit_velocity_ms": 65.9697251122934, "net_forward_duct_force_N": -256.6356107396127, "opposing_duct_drag_N": 256.6356107396127, "duct_road_power_W": 21386.30089496772, "electrical_input_W": 41001.50914715322, "generator_electric_W": 0.0, "heat_W": 0.0, "N2_rate_kgs": 0.0, "N2_electric_W": 0.0, "N2_hot_heat_required_W": 0.0, "N2_reversible_restoration_floor_W": 0.0, "N2_initial_inventory_duration_s": null, "energy_residual_W": 0.0, "mass_residual_kgs": -3.552713678800501e-14, "entropy_generation_WK": 192.7723752892746, "external_drag_area_reduction_to_offset_duct_m2": 0.06138188821472411, "stagnation_inlet_K": 296.6060651177965, "stagnation_exit_K": 299.1463658490589, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 0.0, "ground": { "additional_normal_force_N": 0.0, "electrical_power_W": 0.0, "vertical_discharge_capture_drag_N": 0.0 }, "road_power_to_hold_speed_W": 298792.59597301256, "auxiliary_bus_net_charge_W": -41201.50914715322, "battery_endurance_s_if_discharging": 2.4270955620301446, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 300, "mode": "powered", "thermal": "cold", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 14.891421930911534, "inlet_capture_area_m2": 0.14840490402053116, "inlet_capture_fraction": 0.258984364626599, "exit_volume_flow_m3s": 12.348601030240875, "upstream_throat_Mach": 0.27647138191553206, "rear_throat_Mach": 0.2797128954253288, "exit_Mach": 0.1910088619524577, "exit_velocity_ms": 65.51136314108312, "net_forward_duct_force_N": -265.39447777291537, "opposing_duct_drag_N": 265.39447777291537, "duct_road_power_W": 22116.20648107628, "electrical_input_W": 40716.23335900545, "generator_electric_W": 0.0, "heat_W": -63761.89620504213, "N2_rate_kgs": 0.13622761359390534, "N2_electric_W": 14269.489401307788, "N2_hot_heat_required_W": 6590.143737504455, "N2_reversible_restoration_floor_W": 101038.14229176221, "N2_initial_inventory_duration_s": 73.40655639619446, "energy_residual_W": 2.9831426218152046e-10, "mass_residual_kgs": 9.947598300641403e-14, "entropy_generation_WK": 211.06584516760952, "external_drag_area_reduction_to_offset_duct_m2": 0.06347682662010119, "stagnation_inlet_K": 296.6060651177965, "stagnation_exit_K": 294.8479679069457, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 2.964952727779746e-10, "ground": { "additional_normal_force_N": 0.0, "electrical_power_W": 0.0, "vertical_discharge_capture_drag_N": 0.0 }, "road_power_to_hold_speed_W": 299522.5015591211, "auxiliary_bus_net_charge_W": -26646.74395769766, "battery_endurance_s_if_discharging": 3.752803725616622, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 300, "mode": "powered", "thermal": "hot", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 14.745338951731236, "inlet_capture_area_m2": 0.1469490705477529, "inlet_capture_fraction": 0.25644376053108037, "exit_volume_flow_m3s": 12.462249027230268, "upstream_throat_Mach": 0.2734944456256691, "rear_throat_Mach": 0.2796101625654462, "exit_Mach": 0.19094229825849277, "exit_velocity_ms": 66.11428449088024, "net_forward_duct_force_N": -253.90071160838073, "opposing_duct_drag_N": 253.90071160838073, "duct_road_power_W": 21158.392634031727, "electrical_input_W": 41091.478919502835, "generator_electric_W": 0.0, "heat_W": 20000.0, "N2_rate_kgs": 0.0, "N2_electric_W": 0.0, "N2_hot_heat_required_W": 0.0, "N2_reversible_restoration_floor_W": 0.0, "N2_initial_inventory_duration_s": null, "energy_residual_W": -1.4551915228366852e-11, "mass_residual_kgs": -4.057199021190172e-12, "entropy_generation_WK": 199.58088282707917, "external_drag_area_reduction_to_offset_duct_m2": 0.060727757354754906, "stagnation_inlet_K": 296.6060651177965, "stagnation_exit_K": 300.5079885534563, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": -1.4551915228366852e-11, "ground": { "additional_normal_force_N": 0.0, "electrical_power_W": 0.0, "vertical_discharge_capture_drag_N": 0.0 }, "road_power_to_hold_speed_W": 298564.6877120766, "auxiliary_bus_net_charge_W": -41291.478919502835, "battery_endurance_s_if_discharging": 2.4218071770921212, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 400, "mode": "bypass", "thermal": "neutral", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 17.409052968888407, "inlet_capture_area_m2": 0.1301213299302144, "inlet_capture_fraction": 0.2270773339921603, "exit_volume_flow_m3s": 14.613424609592238, "upstream_throat_Mach": 0.31990033878139024, "rear_throat_Mach": 0.33255117615382684, "exit_Mach": 0.22466743544508738, "exit_velocity_ms": 77.52662540391175, "net_forward_duct_force_N": -584.6740906095039, "opposing_duct_drag_N": 584.6740906095039, "duct_road_power_W": 64963.78784550043, "electrical_input_W": 0.0, "generator_electric_W": 0.0, "heat_W": 0.0, "N2_rate_kgs": 0.0, "N2_electric_W": 0.0, "N2_hot_heat_required_W": 0.0, "N2_reversible_restoration_floor_W": 0.0, "N2_initial_inventory_duration_s": null, "energy_residual_W": 0.0, "mass_residual_kgs": 2.1316282072803006e-14, "entropy_generation_WK": 187.11019468395074, "external_drag_area_reduction_to_offset_duct_m2": 0.07866104301437432, "stagnation_inlet_K": 299.2941157649716, "stagnation_exit_K": 299.2941157649716, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 0.0, "ground": { "additional_normal_force_N": 0.0, "electrical_power_W": 0.0, "vertical_discharge_capture_drag_N": 0.0 }, "road_power_to_hold_speed_W": 694987.8669193847, "auxiliary_bus_net_charge_W": -200.0, "battery_endurance_s_if_discharging": 500.0, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 400, "mode": "bypass", "thermal": "matched-hx", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 16.268180603620365, "inlet_capture_area_m2": 0.1215940522135802, "inlet_capture_fraction": 0.21219621118821613, "exit_volume_flow_m3s": 13.672932268095785, "upstream_throat_Mach": 0.29639754290404846, "rear_throat_Mach": 0.30941445357029035, "exit_Mach": 0.2100762114442109, "exit_velocity_ms": 72.53715856760624, "net_forward_duct_force_N": -627.5280265732239, "opposing_duct_drag_N": 627.5280265732239, "duct_road_power_W": 69725.33628591377, "electrical_input_W": 0.0, "generator_electric_W": 0.0, "heat_W": 0.0, "N2_rate_kgs": 0.0, "N2_electric_W": 0.0, "N2_hot_heat_required_W": 0.0, "N2_reversible_restoration_floor_W": 0.0, "N2_initial_inventory_duration_s": null, "energy_residual_W": 0.0, "mass_residual_kgs": -4.725109192804666e-13, "entropy_generation_WK": 195.38965565542736, "external_drag_area_reduction_to_offset_duct_m2": 0.08442653759386447, "stagnation_inlet_K": 299.2941157649716, "stagnation_exit_K": 299.2941157649716, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 0.0, "ground": { "additional_normal_force_N": 0.0, "electrical_power_W": 0.0, "vertical_discharge_capture_drag_N": 0.0 }, "road_power_to_hold_speed_W": 699749.415359798, "auxiliary_bus_net_charge_W": -200.0, "battery_endurance_s_if_discharging": 500.0, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 400, "mode": "bypass", "thermal": "cold", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 16.39247245591292, "inlet_capture_area_m2": 0.12252305284036327, "inlet_capture_fraction": 0.21381742875277746, "exit_volume_flow_m3s": 13.576909928796583, "upstream_throat_Mach": 0.29892737650414664, "rear_throat_Mach": 0.3095075753142676, "exit_Mach": 0.21013541526896948, "exit_velocity_ms": 72.02774423604649, "net_forward_duct_force_N": -640.6730149838363, "opposing_duct_drag_N": 640.6730149838363, "duct_road_power_W": 71185.89055375959, "electrical_input_W": 0.0, "generator_electric_W": 0.0, "heat_W": -71703.46106485832, "N2_rate_kgs": 0.15319480706592797, "N2_electric_W": 16046.758935961057, "N2_hot_heat_required_W": 7410.948278175635, "N2_reversible_restoration_floor_W": 113622.47569591706, "N2_initial_inventory_duration_s": 65.27636407216116, "energy_residual_W": -4.3655745685100555e-11, "mass_residual_kgs": 1.1368683772161603e-13, "entropy_generation_WK": 217.97217284194915, "external_drag_area_reduction_to_offset_duct_m2": 0.08619504164663123, "stagnation_inlet_K": 299.2941157649716, "stagnation_exit_K": 294.9402998651389, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": -5.093170329928398e-11, "ground": { "additional_normal_force_N": 0.0, "electrical_power_W": 0.0, "vertical_discharge_capture_drag_N": 0.0 }, "road_power_to_hold_speed_W": 701209.9696276439, "auxiliary_bus_net_charge_W": 15846.758935961057, "battery_endurance_s_if_discharging": null, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 400, "mode": "bypass", "thermal": "hot", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 16.233685870827774, "inlet_capture_area_m2": 0.12133622655732074, "inlet_capture_fraction": 0.21174627448153185, "exit_volume_flow_m3s": 13.699861233525343, "upstream_throat_Mach": 0.2956967049995, "rear_throat_Mach": 0.30938883752197033, "exit_Mach": 0.21005992492417125, "exit_velocity_ms": 72.68002116633053, "net_forward_duct_force_N": -623.8782418371013, "opposing_duct_drag_N": 623.8782418371013, "duct_road_power_W": 69319.80464856682, "electrical_input_W": 0.0, "generator_electric_W": 0.0, "heat_W": 20000.0, "N2_rate_kgs": 0.0, "N2_electric_W": 0.0, "N2_hot_heat_required_W": 0.0, "N2_reversible_restoration_floor_W": 0.0, "N2_initial_inventory_duration_s": null, "energy_residual_W": 2.546585164964199e-10, "mass_residual_kgs": -9.876544027065393e-12, "entropy_generation_WK": 201.6518381837573, "external_drag_area_reduction_to_offset_duct_m2": 0.08393550185492475, "stagnation_inlet_K": 299.2941157649716, "stagnation_exit_K": 300.5203890362982, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 2.546585164964199e-10, "ground": { "additional_normal_force_N": 0.0, "electrical_power_W": 0.0, "vertical_discharge_capture_drag_N": 0.0 }, "road_power_to_hold_speed_W": 699343.883722451, "auxiliary_bus_net_charge_W": -200.0, "battery_endurance_s_if_discharging": 500.0, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 400, "mode": "generator", "thermal": "neutral", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 14.72678214786094, "inlet_capture_area_m2": 0.11007310289059116, "inlet_capture_fraction": 0.1920907722203989, "exit_volume_flow_m3s": 12.350981462648054, "upstream_throat_Mach": 0.2655837368865639, "rear_throat_Mach": 0.27810768686081677, "exit_Mach": 0.1899683361809816, "exit_velocity_ms": 65.52399172760661, "net_forward_duct_force_N": -671.3515759094022, "opposing_duct_drag_N": 671.3515759094022, "duct_road_power_W": 74594.61954548913, "electrical_input_W": 0.0, "generator_electric_W": 14858.84761559909, "heat_W": 0.0, "N2_rate_kgs": 0.0, "N2_electric_W": 0.0, "N2_hot_heat_required_W": 0.0, "N2_reversible_restoration_floor_W": 0.0, "N2_initial_inventory_duration_s": null, "energy_residual_W": 0.0, "mass_residual_kgs": -8.535039341950323e-11, "entropy_generation_WK": 145.22489384751765, "external_drag_area_reduction_to_offset_duct_m2": 0.09032248228295112, "stagnation_inlet_K": 299.2941157649716, "stagnation_exit_K": 298.17825717385614, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 0.0, "ground": { "status": "ASSUMED_INSTALLED_MAP", "speed_kmh": 400, "gap_m": 0.001, "delta_Cp": 0.0, "pressure_bias_Pa": 0.0, "vacuum_relative_to_leak_source_Pa": 2012.20085683633, "additional_normal_force_N": 5815.05925617131, "electrical_power_W": 2055.008309419959, "mass_flow_kgs": 0.6516012788276218, "flow_mass_residual_kgs": -6.106226635438361e-15, "fan_head_Pa": 2084.202316587608, "vertical_discharge_capture_drag_N": 72.40014209195797, "isolated_fan_thrust_added": false }, "road_power_to_hold_speed_W": 722354.9242787653, "auxiliary_bus_net_charge_W": 12603.839306179132, "battery_endurance_s_if_discharging": null, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 400, "mode": "generator", "thermal": "matched-hx", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 14.015216089063797, "inlet_capture_area_m2": 0.10475461014607759, "inlet_capture_fraction": 0.18280936421505115, "exit_volume_flow_m3s": 11.766083282628621, "upstream_throat_Mach": 0.2516771330122617, "rear_throat_Mach": 0.2641514047378581, "exit_Mach": 0.18088077537512995, "exit_velocity_ms": 62.42101051010978, "net_forward_duct_force_N": -682.4022813212941, "opposing_duct_drag_N": 682.4022813212941, "duct_road_power_W": 75822.47570236602, "electrical_input_W": 0.0, "generator_electric_W": 12854.803493653146, "heat_W": 0.0, "N2_rate_kgs": 0.0, "N2_electric_W": 0.0, "N2_hot_heat_required_W": 0.0, "N2_reversible_restoration_floor_W": 0.0, "N2_initial_inventory_duration_s": null, "energy_residual_W": 0.0, "mass_residual_kgs": -3.1459457261462376e-10, "entropy_generation_WK": 152.4254339142594, "external_drag_area_reduction_to_offset_duct_m2": 0.0918092251157622, "stagnation_inlet_K": 299.2941157649716, "stagnation_exit_K": 298.27974309644975, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 0.0, "ground": { "status": "ASSUMED_INSTALLED_MAP", "speed_kmh": 400, "gap_m": 0.001, "delta_Cp": 0.0, "pressure_bias_Pa": 0.0, "vacuum_relative_to_leak_source_Pa": 2012.20085683633, "additional_normal_force_N": 5815.05925617131, "electrical_power_W": 2055.008309419959, "mass_flow_kgs": 0.6516012788276218, "flow_mass_residual_kgs": -6.106226635438361e-15, "fan_head_Pa": 2084.202316587608, "vertical_discharge_capture_drag_N": 72.40014209195797, "isolated_fan_thrust_added": false }, "road_power_to_hold_speed_W": 723582.7804356421, "auxiliary_bus_net_charge_W": 10599.795184233186, "battery_endurance_s_if_discharging": null, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 400, "mode": "generator", "thermal": "cold", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 14.136309899358936, "inlet_capture_area_m2": 0.10565970749227326, "inlet_capture_fraction": 0.1843888676868318, "exit_volume_flow_m3s": 11.670297318237473, "upstream_throat_Mach": 0.2540307248703019, "rear_throat_Mach": 0.26421074743327394, "exit_Mach": 0.18091956788055874, "exit_velocity_ms": 61.91285018612182, "net_forward_duct_force_N": -695.4818629451755, "opposing_duct_drag_N": 695.4818629451755, "duct_road_power_W": 77275.76254946395, "electrical_input_W": 0.0, "generator_electric_W": 12755.534805509973, "heat_W": -70702.35579835273, "N2_rate_kgs": 0.15105594060289512, "N2_electric_W": 15822.718218224918, "N2_hot_heat_required_W": 7307.4785259363225, "N2_reversible_restoration_floor_W": 112036.10793732734, "N2_initial_inventory_duration_s": 66.20064037261929, "energy_residual_W": -2.473825588822365e-10, "mass_residual_kgs": -2.5930901870196976e-10, "entropy_generation_WK": 174.30635484886017, "external_drag_area_reduction_to_offset_duct_m2": 0.09356892945233303, "stagnation_inlet_K": 299.2941157649716, "stagnation_exit_K": 293.31799980626215, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": -2.510205376893282e-10, "ground": { "status": "ASSUMED_INSTALLED_MAP", "speed_kmh": 400, "gap_m": 0.001, "delta_Cp": 0.0, "pressure_bias_Pa": 0.0, "vacuum_relative_to_leak_source_Pa": 2012.20085683633, "additional_normal_force_N": 5815.05925617131, "electrical_power_W": 2055.008309419959, "mass_flow_kgs": 0.6516012788276218, "flow_mass_residual_kgs": -6.106226635438361e-15, "fan_head_Pa": 2084.202316587608, "vertical_discharge_capture_drag_N": 72.40014209195797, "isolated_fan_thrust_added": false }, "road_power_to_hold_speed_W": 725036.0672827401, "auxiliary_bus_net_charge_W": 26323.244714314933, "battery_endurance_s_if_discharging": null, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 400, "mode": "generator", "thermal": "hot", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 13.981152979444914, "inlet_capture_area_m2": 0.10450001059186355, "inlet_capture_fraction": 0.18236505744353626, "exit_volume_flow_m3s": 11.793339478165676, "upstream_throat_Mach": 0.2510160134524816, "rear_throat_Mach": 0.26413486302733463, "exit_Mach": 0.180869961776209, "exit_velocity_ms": 62.56560911702798, "net_forward_duct_force_N": -678.722089843219, "opposing_duct_drag_N": 678.722089843219, "duct_road_power_W": 75413.56553813544, "electrical_input_W": 0.0, "generator_electric_W": 12883.06628767926, "heat_W": 20000.0, "N2_rate_kgs": 0.0, "N2_electric_W": 0.0, "N2_hot_heat_required_W": 0.0, "N2_reversible_restoration_floor_W": 0.0, "N2_initial_inventory_duration_s": null, "energy_residual_W": 6.548361852765083e-11, "mass_residual_kgs": 1.5987211554602254e-13, "entropy_generation_WK": 158.70388605995242, "external_drag_area_reduction_to_offset_duct_m2": 0.09131409850624163, "stagnation_inlet_K": 299.2941157649716, "stagnation_exit_K": 299.698876800385, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 6.548361852765083e-11, "ground": { "status": "ASSUMED_INSTALLED_MAP", "speed_kmh": 400, "gap_m": 0.001, "delta_Cp": 0.0, "pressure_bias_Pa": 0.0, "vacuum_relative_to_leak_source_Pa": 2012.20085683633, "additional_normal_force_N": 5815.05925617131, "electrical_power_W": 2055.008309419959, "mass_flow_kgs": 0.6516012788276218, "flow_mass_residual_kgs": -6.106226635438361e-15, "fan_head_Pa": 2084.202316587608, "vertical_discharge_capture_drag_N": 72.40014209195797, "isolated_fan_thrust_added": false }, "road_power_to_hold_speed_W": 723173.8702714116, "auxiliary_bus_net_charge_W": 10628.057978259301, "battery_endurance_s_if_discharging": null, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 400, "mode": "powered", "thermal": "neutral", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 19.54490957185355, "inlet_capture_area_m2": 0.14608546664774433, "inlet_capture_fraction": 0.2549366681016966, "exit_volume_flow_m3s": 16.499988579447773, "upstream_throat_Mach": 0.3658415175086914, "rear_throat_Mach": 0.3786154994494043, "exit_Mach": 0.25295030499639687, "exit_velocity_ms": 87.53515811263125, "net_forward_duct_force_N": -460.7898694255613, "opposing_duct_drag_N": 460.7898694255613, "duct_road_power_W": 51198.87438061792, "electrical_input_W": 53664.70679312563, "generator_electric_W": 0.0, "heat_W": 0.0, "N2_rate_kgs": 0.0, "N2_electric_W": 0.0, "N2_hot_heat_required_W": 0.0, "N2_reversible_restoration_floor_W": 0.0, "N2_initial_inventory_duration_s": null, "energy_residual_W": 0.0, "mass_residual_kgs": -2.4868995751603507e-14, "entropy_generation_WK": 321.88633247296025, "external_drag_area_reduction_to_offset_duct_m2": 0.0619938737180683, "stagnation_inlet_K": 299.2941157649716, "stagnation_exit_K": 301.8084171072051, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 0.0, "ground": { "additional_normal_force_N": 0.0, "electrical_power_W": 0.0, "vertical_discharge_capture_drag_N": 0.0 }, "road_power_to_hold_speed_W": 681222.9534545022, "auxiliary_bus_net_charge_W": -53864.70679312563, "battery_endurance_s_if_discharging": 1.8565031901883904, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 400, "mode": "powered", "thermal": "matched-hx", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 18.272947902379602, "inlet_capture_area_m2": 0.13657838177942974, "inlet_capture_fraction": 0.2383456642509682, "exit_volume_flow_m3s": 15.451212695479295, "upstream_throat_Mach": 0.33815155301707267, "rear_throat_Mach": 0.35190395154480275, "exit_Mach": 0.23668031920803084, "exit_velocity_ms": 81.97122924167604, "net_forward_duct_force_N": -532.4715432816912, "opposing_duct_drag_N": 532.4715432816912, "duct_road_power_W": 59163.5048090768, "electrical_input_W": 50452.93230294979, "generator_electric_W": 0.0, "heat_W": 0.0, "N2_rate_kgs": 0.0, "N2_electric_W": 0.0, "N2_hot_heat_required_W": 0.0, "N2_reversible_restoration_floor_W": 0.0, "N2_initial_inventory_duration_s": null, "energy_residual_W": 0.0, "mass_residual_kgs": -3.7339020764193265e-12, "entropy_generation_WK": 330.69662113402717, "external_drag_area_reduction_to_offset_duct_m2": 0.07163780239748245, "stagnation_inlet_K": 299.2941157649716, "stagnation_exit_K": 301.8224822687825, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 0.0, "ground": { "additional_normal_force_N": 0.0, "electrical_power_W": 0.0, "vertical_discharge_capture_drag_N": 0.0 }, "road_power_to_hold_speed_W": 689187.5838829611, "auxiliary_bus_net_charge_W": -50652.93230294979, "battery_endurance_s_if_discharging": 1.9742193680300808, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 400, "mode": "powered", "thermal": "cold", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 18.398894126254138, "inlet_capture_area_m2": 0.1375197477560587, "inlet_capture_fraction": 0.23998846083472952, "exit_volume_flow_m3s": 15.354020508957293, "upstream_throat_Mach": 0.3408480697477097, "rear_throat_Mach": 0.35201130963060084, "exit_Mach": 0.23674644767047817, "exit_velocity_ms": 81.45560867782984, "net_forward_duct_force_N": -545.6284495308141, "opposing_duct_drag_N": 545.6284495308141, "duct_road_power_W": 60625.38328120157, "electrical_input_W": 50134.7897421309, "generator_electric_W": 0.0, "heat_W": -72398.55922995313, "N2_rate_kgs": 0.1546798878097607, "N2_electric_W": 16202.317294322811, "N2_hot_heat_required_W": 7482.790508289366, "N2_reversible_restoration_floor_W": 114723.93960291483, "N2_initial_inventory_duration_s": 64.64964606322255, "energy_residual_W": -8.003553375601768e-11, "mass_residual_kgs": -2.842170943040401e-14, "entropy_generation_WK": 354.41423304634435, "external_drag_area_reduction_to_offset_duct_m2": 0.07340790985567247, "stagnation_inlet_K": 299.2941157649716, "stagnation_exit_K": 297.8727101887085, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": -8.731149137020111e-11, "ground": { "additional_normal_force_N": 0.0, "electrical_power_W": 0.0, "vertical_discharge_capture_drag_N": 0.0 }, "road_power_to_hold_speed_W": 690649.4623550858, "auxiliary_bus_net_charge_W": -34132.47244780809, "battery_endurance_s_if_discharging": 2.929761392260987, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." }, { "speed_kmh": 400, "mode": "powered", "thermal": "hot", "status": "CONDITIONAL_SUBSONIC_SOLUTION", "mass_flow_kgs": 18.23831397975078, "inlet_capture_area_m2": 0.13631951576981877, "inlet_capture_fraction": 0.2378939120028535, "exit_volume_flow_m3s": 15.478195817302533, "upstream_throat_Mach": 0.3374116867454379, "rear_throat_Mach": 0.35187468552430917, "exit_Mach": 0.23666229146118836, "exit_velocity_ms": 82.11437914914136, "net_forward_duct_force_N": -528.8515019090739, "opposing_duct_drag_N": 528.8515019090739, "duct_road_power_W": 58761.277989897106, "electrical_input_W": 50541.254869314296, "generator_electric_W": 0.0, "heat_W": 20000.0, "N2_rate_kgs": 0.0, "N2_electric_W": 0.0, "N2_hot_heat_required_W": 0.0, "N2_reversible_restoration_floor_W": 0.0, "N2_initial_inventory_duration_s": null, "energy_residual_W": 3.710738383233547e-10, "mass_residual_kgs": -4.622080496119452e-11, "entropy_generation_WK": 336.7710013637062, "external_drag_area_reduction_to_offset_duct_m2": 0.07115076827933227, "stagnation_inlet_K": 299.2941157649716, "stagnation_exit_K": 302.9232079720475, "heat_model": "rayleigh", "heat_section_momentum_residual_Pa": 0.0, "combined_air_N2_energy_residual_W": 3.710738383233547e-10, "ground": { "additional_normal_force_N": 0.0, "electrical_power_W": 0.0, "vertical_discharge_capture_drag_N": 0.0 }, "road_power_to_hold_speed_W": 688785.3570637814, "auxiliary_bus_net_charge_W": -50741.254869314296, "battery_endurance_s_if_discharging": 1.9707829508267614, "screen_scope": "Instantaneous constant-speed task; road power is an external supply. Generator mode includes ground-braking support demand. This is not a stopping-distance simulation." } ], "ground_pressure_sensitivities": [ { "status": "ASSUMED_INSTALLED_MAP", "speed_kmh": 100, "gap_m": 0.0005, "delta_Cp": 0, "pressure_bias_Pa": 0.0, "vacuum_relative_to_leak_source_Pa": 2670.6309629957395, "additional_normal_force_N": 7717.8564199613875, "electrical_power_W": 1569.2936498940046, "mass_flow_kgs": 0.37402410475784414, "flow_mass_residual_kgs": -2.7755575615628914e-16, "fan_head_Pa": 2694.512678973224, "vertical_discharge_capture_drag_N": 10.389558465495671, "isolated_fan_thrust_added": false }, { "status": "ASSUMED_INSTALLED_MAP", "speed_kmh": 100, "gap_m": 0.0005, "delta_Cp": 0.05, "pressure_bias_Pa": 23.227590979448603, "vacuum_relative_to_leak_source_Pa": 2650.0073342709834, "additional_normal_force_N": 7658.256195309715, "electrical_power_W": 1564.9214646807511, "mass_flow_kgs": 0.37261838729964747, "flow_mass_residual_kgs": -8.881784197001252e-16, "fan_head_Pa": 2696.9325123985304, "vertical_discharge_capture_drag_N": 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10.232354179830487, "isolated_fan_thrust_added": false }, { "status": "ASSUMED_INSTALLED_MAP", "speed_kmh": 100, "gap_m": 0.0005, "delta_Cp": 0.5, "pressure_bias_Pa": 232.27590979448604, "vacuum_relative_to_leak_source_Pa": 2464.356776128069, "additional_normal_force_N": 7121.744647332507, "electrical_power_W": 1524.1369329161082, "mass_flow_kgs": 0.3596867852309704, "flow_mass_residual_kgs": -3.885780586188048e-16, "fan_head_Pa": 2718.672513918822, "vertical_discharge_capture_drag_N": 9.991299589749179, "isolated_fan_thrust_added": false }, { "status": "ASSUMED_INSTALLED_MAP", "speed_kmh": 100, "gap_m": 0.001, "delta_Cp": 0, "pressure_bias_Pa": 0.0, "vacuum_relative_to_leak_source_Pa": 2012.20085683633, "additional_normal_force_N": 5815.05925617131, "electrical_power_W": 2055.008309419959, "mass_flow_kgs": 0.6516012788276218, "flow_mass_residual_kgs": -6.106226635438361e-15, "fan_head_Pa": 2084.202316587608, "vertical_discharge_capture_drag_N": 18.100035522989494, 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"speed_kmh": 100, "matched_HX_mass_flow_kgs": 4.031206086708733, "cold_HX_mass_flow_kgs": 4.107484650149052, "mass_flow_change_fraction": 0.018922020308467236, "N2_rate_kgs": 0.09284866828912083, "N2_inventory_duration_s": 107.70213708247347, "cold_heat_W": 43458.202005031475, "N2_hot_heat_W": 4491.644929531037, "N2_electric_W": 9725.65732544277, "N2_reset_exergy_floor_W": 68864.57679690667 }, { "speed_kmh": 200, "matched_HX_mass_flow_kgs": 8.076846326979274, "cold_HX_mass_flow_kgs": 8.17137571221853, "mass_flow_change_fraction": 0.011703749385883144, "N2_rate_kgs": 0.11562536439032704, "N2_inventory_duration_s": 86.4862139265749, "cold_heat_W": 54118.928522844246, "N2_hot_heat_W": 5593.489828758733, "N2_electric_W": 12111.45720139032, "N2_reset_exergy_floor_W": 85757.73818245454 }, { "speed_kmh": 300, "matched_HX_mass_flow_kgs": 12.151195801280192, "cold_HX_mass_flow_kgs": 12.259886654296851, "mass_flow_change_fraction": 0.008944868866750388, "N2_rate_kgs": 0.1334333855814068, 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"note": "Model-form sensitivity, not confidence bounds or measured uncertainty." }, { "speed_kmh": 300, "isobaric_mass_flow_change_fraction": 0.00369264153211879, "rayleigh_mass_flow_change_fraction": 0.008944868866750388, "note": "Model-form sensitivity, not confidence bounds or measured uncertainty." }, { "speed_kmh": 400, "isobaric_mass_flow_change_fraction": 0.0031226781300490725, "rayleigh_mass_flow_change_fraction": 0.007640181488081987, "note": "Model-form sensitivity, not confidence bounds or measured uncertainty." } ], "neck_refinement": { "speed_kmh": 400, "previous_minimum_area_m2": 0.11309733552923254, "P31_minimum_area_m2": 0.13194689145077132, "previous_mass_flow_kgs": 15.984775644585952, "P31_mass_flow_kgs": 17.409052968888407, "mass_flow_change_fraction": 0.0891021154109759, "previous_duct_drag_N": 636.4537519193693, "P31_duct_drag_N": 584.6740906095039, "note": "Same assumed K and inlet/exit boundaries. New 3D separation, wheel interactions and installed losses require measurement/CFD." }, "checks": { "ideal_lossless_duct_zero_net_force_N": [ -2.844668830036717e-12, 3.4046430091778755e-12, -1.4335338986012027e-12 ], "maximum_mass_residual_kgs": 5.087308352358377e-10, "maximum_air_energy_residual_W": 3.710738383233547e-10, "maximum_heat_section_momentum_residual_Pa": 0.0, "maximum_coupled_air_N2_energy_residual_W": 3.710738383233547e-10, "minimum_entropy_generation_WK": 1.5520396583352074, "zero_Cp_force_relative_difference_from_P22": 5.329070518200751e-15 }, "physical_measurements": 0, "limits": [ "Quasi-one-dimensional compressible state and momentum model, with an assumed lumped pressure-loss envelope rather than solved 3-D vehicle flow.", "No assumed external drag reduction is credited. Required external CdA improvement is reported as a break-even target for later CFD.", "Heat transfer uses an assumed UA based on stagnation-temperature approach and a constant-area Rayleigh momentum closure. Finite exchanger geometry, distributed friction and frost are not resolved or qualified.", "N2 uses an exclusive equilibrium state path from P2.2. Expander performance, finite exchanger area and useful service delivery remain unmeasured.", "Powered ground suction is coupled to an assumed local pressure difference. High-speed moving-road seals and installed fan maps remain unresolved.", "These operating points and finite-resource endurance screens do not replace the existing trajectory model or establish a new Bugatti comparison." ] }