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    ],
    "limits": [
      "Reach 400 km/h from rest with carried states, after the declared preparation. Distances and durations may differ.",
      "Engine fuel is the existing constant-32%-conversion proxy, not measured vehicle fuel consumption.",
      "Report fuel, chemical electricity and nitrogen separately; their unweighted sum is a site-energy screen, not emissions or exergy efficiency.",
      "Nitrogen cost is a sensitivity and a break-even requirement. No actual liquefier performance is assumed.",
      "Consumed-inventory replacement and full initial 20 kg charge are separate accounting conventions.",
      "Do not credit cold preparation as free, count battery cooling twice, or replace the published performance mode before review."
    ]
  },
  "cold_mode_numerical_verification": {
    "status": "COLD_START_EVENT_AND_REFINEMENT_PASS",
    "physical_measurements": 0,
    "events": [
      {
        "label": "recovery-on-warmup-000",
        "dt_s": 0.001,
        "launch_time_to_speed_s": {
          "100": 2.1355360814634055,
          "200": 6.798155259626714,
          "300": 15.045897567386419,
          "400": 28.34369765334399
        },
        "stop_m": 440.7844250955177,
        "combined_time_s": 35.57300000001241,
        "stop_time_s": 7.229000000000749,
        "mass_kg": 3201.2426,
        "stopped": true,
        "lane_pass": true,
        "heading_pass": true,
        "travel_pass": true,
        "main_pack_chemical_draw_to_stop_J": 11871812.488426685,
        "control_reserve_draw_to_stop_J": 42971.28729404067,
        "nitrogen_expanded_at_launch_kg": 6.8772420000001135,
        "nitrogen_expanded_at_stop_kg": 6.8772420000001135,
        "numerical_residuals": {
          "vehicle_J": 1.5122350305318832e-07,
          "pulse_J": -5.569432914853678e-09,
          "pack_J": -1.3243178855759652e-06
        },
        "physical_measurements": 0,
        "stores_reset_at_400": false
      },
      {
        "label": "recovery-off-cold-start",
        "dt_s": 0.001,
        "launch_time_to_speed_s": {
          "100": 2.134220218556681,
          "200": 6.791272563456072,
          "300": 14.986481972756858,
          "400": 32.16039351223558
        },
        "stop_m": 440.83957036472555,
        "combined_time_s": 39.3910000000165,
        "stop_time_s": 7.230000000000749,
        "mass_kg": 3201.2426,
        "stopped": true,
        "lane_pass": true,
        "heading_pass": true,
        "travel_pass": true,
        "main_pack_chemical_draw_to_stop_J": 12815877.601701483,
        "control_reserve_draw_to_stop_J": 46784.62915626989,
        "nitrogen_expanded_at_launch_kg": 0.0,
        "nitrogen_expanded_at_stop_kg": 0.0,
        "numerical_residuals": {
          "vehicle_J": -2.528540790081024e-07,
          "pulse_J": -4.288864374757395e-09,
          "pack_J": -1.60497922451798e-06
        },
        "physical_measurements": 0,
        "stores_reset_at_400": false
      },
      {
        "label": "recovery-on-cold-half",
        "dt_s": 0.0005,
        "launch_time_to_speed_s": {
          "100": 2.1354358636099033,
          "200": 6.79800690768058,
          "300": 15.045411597432118,
          "400": 28.342912681840605
        },
        "stop_m": 440.78571656505216,
        "combined_time_s": 35.571999999978004,
        "stop_time_s": 7.228999999998713,
        "mass_kg": 3201.2426,
        "stopped": true,
        "lane_pass": true,
        "heading_pass": true,
        "travel_pass": true,
        "main_pack_chemical_draw_to_stop_J": 11871983.67330797,
        "control_reserve_draw_to_stop_J": 42970.46182653852,
        "nitrogen_expanded_at_launch_kg": 6.8777160500000445,
        "nitrogen_expanded_at_stop_kg": 6.8777160500000445,
        "numerical_residuals": {
          "vehicle_J": 3.119930624961853e-07,
          "pulse_J": -2.541828791891021e-08,
          "pack_J": 2.371028133385522e-06
        },
        "physical_measurements": 0,
        "stores_reset_at_400": false
      }
    ],
    "half_step_difference": {
      "launch_400_s": -0.0007849715033856342,
      "stop_m": 0.0012914695344647953
    },
    "scope": "Dry nominal requirement model only. No new road/fault campaign or installed component qualification."
  },
  "external_nitrogen_energy_is_measured": false,
  "fuel_map_is_measured": false,
  "fuel_model_basis": "Actual simulated engine work / 0.95 driveline / 0.32 conversion, plus declared preparation fuel. This includes the final source step omitted by the lagged heat-source integral.",
  "bypass_boundary": "Same conservative maximum wet mass. No external nitrogen consumption is charged to the bypass comparator, which favours bypass over an unnecessarily pre-cooled, filled control.",
  "energy_metric": "Fuel chemical energy plus electricity for recharging and nitrogen production; unweighted site-energy screen, not emissions, exergy efficiency or a road-cycle rating.",
  "nitrogen_accounting": "Replacement charges consumed liquid, preparation boil-off and standing losses. Full initial fill charges all 20 kg without credit for unused inventory; this is an upfront bill.",
  "excluded": "Delivery, air-separation adders, charger standby, long-term storage, manufacturing and installed component qualification. No external supply efficiency is established.",
  "source_property_reference": "https://coolprop.org/fluid_properties/fluids/Nitrogen.html"
}
