374 lines
7.8 KiB
TOML
374 lines
7.8 KiB
TOML
# Engine definition. Dimensional keys state their units.
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schema_version = 2
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id = "ej20"
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name = "EJ20-inspired / 2.0 flat four NA"
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category = "Boxer / flat four"
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description = "Estimated concept calibration / EFI"
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order = 27
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cycle = "four_stroke"
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[simulation]
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cells_per_meter = 20.0
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[engine]
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bank_angle_deg = 180.0
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cylinders = 4
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initial_rpm = 1400.0
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initialize_phased_charge = true
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layout = "boxer"
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maximum_load_torque_nm = 30.0
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minimum_substeps = 1
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phase_degrees = [0.0, 540.0, 360.0, 180.0]
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pipe_damping = 1.0
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starter_torque_nm = 49.85708
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throttle_diameter_mm = 65.0
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topology = "collector"
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[cylinder]
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afr = 14.7
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ambient_temperature_k = 300.0
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bore_mm = 92.0
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burn_duration_deg = 60.0
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burn_start_deg = 5.0
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compression = 10.0
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energy_variation = 0.05
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exhaust_valve_count = 1
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exhaust_valve_diameter_mm = 29.44
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fuel_lhv_j_per_kg = 4.4e+07
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heat_transfer = 100.0
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intake_valve_count = 1
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intake_valve_diameter_mm = 34.96
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misfire_probability = 0.0
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rod_mm = 135.0
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stroke_mm = 75.0
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wall_area = 0.02
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wiebe_a = 5.0
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wiebe_m = 2.0
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[crankshaft]
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friction_constant_nm = 7.977133
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friction_quadratic_nm_s2 = 0.0
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friction_viscous_nm_s = 0.007977134
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inertia_kg_m2 = 0.239314
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[ecu]
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idle_base_opening = 0.05
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idle_control = "feedback"
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idle_ki = 4e-05
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idle_kp = 0.0001
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idle_max_opening = 0.25
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idle_minimum_advance_deg = -5.0
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idle_rpm = 1000.0
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idle_spark_gain = 0.02
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ignition_map = [[0.0, 10.0], [15000.0, 40.0]]
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overrun_cut_rpm = 3500.0
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overrun_fuel_cut_enabled = true
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overrun_ignition_cut_enabled = false
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overrun_resume_rpm = 2400.0
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power_afr = 12.8
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rev_limit_enabled = true
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rev_limit_fuel_cut_enabled = true
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rev_limit_rpm = 7000.0
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rev_resume_rpm = 6750.0
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stoichiometric_afr = 14.7
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throttle_closing_rate = 0.0
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throttle_closing_time_constant_s = 0.0
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throttle_rate = 1000.0
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throttle_time_constant_s = 0.001
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[vehicle]
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air_density = 1.225
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clutch_capacity = 438.7423
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clutch_engagement_rate = 8.0
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drag_coefficient = 0.7
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final_drive_ratio = 2.7
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frontal_area = 0.65
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gear_ratios = [4.1, 2.7, 2.0, 1.55, 1.25, 0.98]
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gravity = 9.80665
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mass_kg = 1400.0
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primary_reduction = 1.8
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rolling_resistance = 0.015
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rotational_inertia_kg_m2 = 1.2
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wheel_radius_mm = 320.0
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[fuel]
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system = "injection"
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[[pipes]]
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id = "intake"
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diameter_mm = 75.0
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[[pipes]]
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id = "runners"
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count = 4
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diameter_mm = 35.0
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[[pipes]]
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id = "primaries"
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count = 4
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diameter_mm = 38.0
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[[pipes]]
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id = "tailpipe"
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diameter_mm = 60.0
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[cam.intake]
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points = [
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[0.000, 0.000000],
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[340.000, 0.000000],
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[345.000, 0.167219],
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[350.000, 0.631194],
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[355.000, 1.335398],
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[360.000, 2.223309],
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[365.000, 3.238400],
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[370.000, 4.324147],
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[375.000, 5.424026],
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[380.000, 6.481510],
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[385.000, 7.440077],
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[390.000, 8.243200],
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[395.000, 8.834355],
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[400.000, 9.157018],
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[402.500, 9.200000],
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[527.500, 9.200000],
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[532.500, 9.032781],
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[537.500, 8.568806],
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[542.500, 7.864602],
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[547.500, 6.976691],
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[552.500, 5.961600],
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[557.500, 4.875853],
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[562.500, 3.775974],
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[567.500, 2.718490],
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[572.500, 1.759923],
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[577.500, 0.956800],
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[582.500, 0.365645],
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[587.500, 0.042982],
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[590.000, 0.000000],
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[720.000, 0.000000]
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]
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[cam.exhaust]
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points = [
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[0.000, 0.000000],
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[130.000, 0.000000],
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[135.000, 0.139445],
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[140.000, 0.527629],
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[145.000, 1.119326],
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[150.000, 1.869313],
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[155.000, 2.732363],
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[160.000, 3.663250],
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[165.000, 4.616751],
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[170.000, 5.547638],
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[175.000, 6.410688],
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[180.000, 7.160675],
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[185.000, 7.752372],
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[190.000, 8.140556],
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[195.000, 8.280001],
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[325.000, 8.280001],
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[330.000, 8.140556],
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[335.000, 7.752372],
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[340.000, 7.160675],
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[345.000, 6.410688],
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[350.000, 5.547638],
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[355.000, 4.616751],
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[360.000, 3.663250],
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[365.000, 2.732363],
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[370.000, 1.869313],
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[375.000, 1.119326],
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[380.000, 0.527629],
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[385.000, 0.139445],
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[390.000, 0.000000],
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[720.000, 0.000000]
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]
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[valves.intake]
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mass_g = 35.0
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spring_rate_n_per_mm = 38.0
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damping_n_s_per_m = 24.0
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seat_force_n = 75.0
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maximum_lift_mm = 15.0
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seat_restitution = 0.005
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cam_restitution = 0.01
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stop_restitution = 0.01
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[valves.exhaust]
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mass_g = 35.0
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spring_rate_n_per_mm = 38.0
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damping_n_s_per_m = 24.0
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seat_force_n = 75.0
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maximum_lift_mm = 15.0
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seat_restitution = 0.005
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cam_restitution = 0.01
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stop_restitution = 0.01
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[valve_sound]
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mode_hz = 3600.0
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effective_mass_g = 180.0
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radiation_area_cm2 = 10.0
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damping_ratio = 0.9
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[[geometry.cylinders]]
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origin_mm = [ -55, 0, 0 ]
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tilt_deg = -90.0
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[[geometry.cylinders]]
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origin_mm = [ 55, 0, 0 ]
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tilt_deg = -90.0
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[[geometry.cylinders]]
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origin_mm = [ -55, 0, 0 ]
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tilt_deg = 90.0
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[[geometry.cylinders]]
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origin_mm = [ 55, 0, 0 ]
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tilt_deg = 90.0
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# intake
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[[geometry.pipes]]
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index = 0
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points_mm = [
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[ -310, 307.5713, 0 ],
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[ -110, 307.5713, 0 ]
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]
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# runners 1
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[[geometry.pipes]]
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index = 1
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points_mm = [
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[ -55, 286.8, -172.8334 ],
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[ -55, 36.8, -172.8334 ]
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]
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# runners 2
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[[geometry.pipes]]
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index = 2
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points_mm = [
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[ 55, 286.8, -172.8334 ],
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[ 55, 36.8, -172.8334 ]
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]
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# runners 3
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[[geometry.pipes]]
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index = 3
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points_mm = [
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[ -55, 286.8, 172.8334 ],
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[ -55, 36.8, 172.8334 ]
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]
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# runners 4
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[[geometry.pipes]]
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index = 4
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points_mm = [
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[ 55, 286.8, 172.8334 ],
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[ 55, 36.8, 172.8334 ]
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]
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# primaries 1
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[[geometry.pipes]]
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index = 5
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points_mm = [
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[ -55, -46, -172.8334 ],
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[ -53.4569, -70.3798, -166.4422 ],
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[ -49.0959, -88.6617, -155.8208 ],
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[ -42.3196, -101.4701, -141.3612 ],
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[ -33.5305, -109.4294, -123.455 ],
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[ -23.1312, -113.164, -102.4941 ],
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[ -11.5242, -113.2982, -78.8702 ],
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[ 0.8879, -110.4563, -52.9752 ],
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[ 13.7025, -105.2628, -25.2009 ],
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[ 26.5171, -98.342, 4.0609 ],
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[ 38.9292, -90.3182, 34.4185 ],
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[ 50.5362, -81.8159, 65.48 ],
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[ 60.9355, -73.4593, 96.8536 ],
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[ 69.7246, -65.873, 128.1476 ],
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[ 76.5009, -59.6811, 158.97 ],
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[ 80.8619, -55.5081, 188.9292 ],
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[ 82.405, -53.9784, 217.6334 ]
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]
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# primaries 2
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[[geometry.pipes]]
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index = 6
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points_mm = [
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[ 55, -46, -172.8334 ],
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[ 55.448, -69.1222, -166.546 ],
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[ 56.7141, -86.4707, -155.833 ],
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[ 58.6814, -98.6364, -141.125 ],
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[ 61.2331, -106.2101, -122.8528 ],
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[ 64.2522, -109.7826, -101.4471 ],
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[ 67.622, -109.9447, -77.3387 ],
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[ 71.2255, -107.2873, -50.9582 ],
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[ 74.9459, -102.4012, -22.7365 ],
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[ 78.6663, -95.8772, 6.8957 ],
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[ 82.2698, -88.3061, 37.5077 ],
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[ 85.6395, -80.2789, 68.6687 ],
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[ 88.6587, -72.3862, 99.948 ],
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[ 91.2104, -65.219, 130.9149 ],
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[ 93.1777, -59.3681, 161.1385 ],
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[ 94.4438, -55.4243, 190.1883 ],
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[ 94.8918, -53.9784, 217.6334 ]
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]
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# primaries 3
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[[geometry.pipes]]
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index = 7
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points_mm = [
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[ -55, -46, 172.8334 ],
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[ -54.3082, -53.2985, 172.4701 ],
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[ -52.3079, -58.8583, 173.7033 ],
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[ -49.1117, -62.8543, 176.3161 ],
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[ -44.8324, -65.4615, 180.0913 ],
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[ -39.5825, -66.8548, 184.8119 ],
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[ -33.4748, -67.2092, 190.2608 ],
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[ -26.6219, -66.6995, 196.2209 ],
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[ -19.1364, -65.5008, 202.4752 ],
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[ -11.1311, -63.7879, 208.8066 ],
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[ -2.7185, -61.7358, 214.9981 ],
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[ 5.9887, -59.5194, 220.8326 ],
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[ 14.8778, -57.3138, 226.093 ],
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[ 23.8361, -55.2938, 230.5623 ],
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[ 32.751, -53.6343, 234.0234 ],
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[ 41.5099, -52.5103, 236.2592 ],
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[ 50, -52.0968, 237.0527 ]
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]
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# primaries 4
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[[geometry.pipes]]
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index = 8
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points_mm = [
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[ 55, -46, 172.8334 ],
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[ 55.2388, -48.968, 172.7016 ],
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[ 55.9138, -51.2704, 173.2603 ],
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[ 56.9625, -52.9727, 174.4452 ],
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[ 58.3228, -54.1402, 176.1922 ],
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[ 59.9323, -54.8385, 178.4371 ],
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[ 61.7286, -55.1329, 181.1157 ],
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[ 63.6496, -55.0888, 184.1638 ],
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[ 65.6329, -54.7716, 187.5172 ],
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[ 67.6162, -54.2468, 191.1118 ],
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[ 69.5372, -53.5797, 194.8832 ],
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[ 71.3336, -52.8358, 198.7675 ],
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[ 72.943, -52.0805, 202.7003 ],
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[ 74.3033, -51.3792, 206.6174 ],
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[ 75.3521, -50.7972, 210.4548 ],
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[ 76.027, -50.4001, 214.1482 ],
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[ 76.2658, -50.2532, 217.6334 ]
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]
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# tailpipe
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[[geometry.pipes]]
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index = 9
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points_mm = [
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[ 150, -55, 267.6333 ],
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[ 1649.9999, -55, 267.6333 ]
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]
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[[geometry.volumes]]
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id = "intake_plenum"
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center_mm = [ 0, 307.5713, 0 ]
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size_mm = [ 220, 41.5426, 437.6667 ]
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[[geometry.volumes]]
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id = "exhaust_collector"
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center_mm = [ 100, -55, 267.6333 ]
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size_mm = [ 100, 100, 100 ]
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