STAR
Cal STAR — firmware, DAQ server, and engine design
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constants.py File Reference

Go to the source code of this file.

Namespaces

namespace  engine
namespace  engine.pipeline
namespace  engine.pipeline.constants

Variables

float engine.pipeline.constants.STEFAN_BOLTZMANN_W_M2_K4 = 5.670374419e-8
float engine.pipeline.constants.UNIVERSAL_GAS_CONST_J_KMOL_K = 8314.462618
float engine.pipeline.constants.GRAVITATIONAL_ACCEL_M_S2 = 9.80665
float engine.pipeline.constants.DEFAULT_GAMMA_ND = 1.2
float engine.pipeline.constants.DEFAULT_GAS_CONST_J_KG_K = 350.0
float engine.pipeline.constants.DEFAULT_CHAMBER_TEMP_K = 3500.0
float engine.pipeline.constants.DEFAULT_CSTAR_IDEAL_M_S = 1800.0
float engine.pipeline.constants.DEFAULT_MIXTURE_RATIO_ND = 2.5
float engine.pipeline.constants.DEFAULT_CHAMBER_PRESS_PA = 4.0e6
float engine.pipeline.constants.DEFAULT_COOLANT_SPEC_HEAT_J_KG_K = 2000.0
float engine.pipeline.constants.DEFAULT_COOLANT_THERMAL_COND_W_M_K = 0.1
float engine.pipeline.constants.DEFAULT_COOLANT_DENS_KG_M3 = 700.0
float engine.pipeline.constants.DEFAULT_COOLANT_TEMP_K = 300.0
float engine.pipeline.constants.DEFAULT_FUEL_DENS_KG_M3 = 810.0
float engine.pipeline.constants.DEFAULT_FUEL_BOILING_POINT_K = 489.0
float engine.pipeline.constants.DEFAULT_LOX_DENS_KG_M3 = 1140.0
float engine.pipeline.constants.DEFAULT_HOT_GAS_VISC_PA_S = 4.0e-5
float engine.pipeline.constants.DEFAULT_HOT_GAS_THERMAL_COND_W_M_K = 0.1
float engine.pipeline.constants.DEFAULT_HOT_GAS_PRANDTL_ND = 0.7
float engine.pipeline.constants.DEFAULT_EMISSIVITY_ND = 0.8
float engine.pipeline.constants.DEFAULT_VIEW_FACTOR_ND = 1.0
float engine.pipeline.constants.DEFAULT_TURBULENCE_INTENSITY_ND = 0.08
float engine.pipeline.constants.DEFAULT_TURBULENCE_INTENSITY_COOLANT_ND = 0.05
float engine.pipeline.constants.NU_LAMINAR_ND = 4.36
float engine.pipeline.constants.NU_TURBULENT_COEFFICIENT_ND = 0.023
float engine.pipeline.constants.NU_TURBULENT_RE_EXPONENT_ND = 0.8
float engine.pipeline.constants.NU_TURBULENT_PR_EXPONENT_ND = 0.4
float engine.pipeline.constants.DEFAULT_RECOVERY_FACTOR_ND = 0.94
float engine.pipeline.constants.DEFAULT_CHAMBER_LEN_M = 0.1
float engine.pipeline.constants.DEFAULT_CHAMBER_DIAM_M = 0.08
int engine.pipeline.constants.DEFAULT_THROAT_AREA_M2 = 1e-3
float engine.pipeline.constants.DEFAULT_THROAT_DIAM_M = 0.033
float engine.pipeline.constants.REF_PRESS_PA = 1.0e6
float engine.pipeline.constants.REF_TEMP_K = 3500.0
float engine.pipeline.constants.ACTIVATION_ENERGY_HC_J_MOL = 80000.0
float engine.pipeline.constants.ACTIVATION_ENERGY_H2_J_MOL = 40000.0
int engine.pipeline.constants.PRE_EXPONENTIAL_HC_1_S = 1e7
int engine.pipeline.constants.PRE_EXPONENTIAL_H2_1_S = 1e9
float engine.pipeline.constants.PRESSURE_EXPONENT_HC_ND = 0.8
float engine.pipeline.constants.PRESSURE_EXPONENT_H2_ND = 0.5
float engine.pipeline.constants.PRESSURE_EXPONENT_PRE_FACTOR_ND = 0.3
float engine.pipeline.constants.DEFAULT_REACTION_TIME_REF_S = 0.005
float engine.pipeline.constants.EA_NORM_FUEL_RICH_ND = 12.0
float engine.pipeline.constants.EA_NORM_STOICHIOMETRIC_ND = 10.0
float engine.pipeline.constants.EA_NORM_OXIDIZER_RICH_ND = 8.0
float engine.pipeline.constants.DEFAULT_ABLATOR_DENS_KG_M3 = 1600.0
float engine.pipeline.constants.DEFAULT_ABLATOR_THERMAL_COND_W_M_K = 0.35
float engine.pipeline.constants.DEFAULT_ABLATOR_SPEC_HEAT_J_KG_K = 1500.0
float engine.pipeline.constants.DEFAULT_ABLATOR_INIT_THICK_M = 0.01
float engine.pipeline.constants.DEFAULT_ABLATOR_SURF_TEMP_LIMIT_K = 1200.0
float engine.pipeline.constants.DEFAULT_ABLATOR_PYROLYSIS_TEMP_K = 900.0
float engine.pipeline.constants.DEFAULT_ABLATOR_BLOWING_EFF_ND = 0.8
float engine.pipeline.constants.DEFAULT_ABLATOR_CHAR_LAYER_COND_W_M_K = 0.2
float engine.pipeline.constants.DEFAULT_ABLATOR_CHAR_LAYER_THICK_M = 0.001
float engine.pipeline.constants.DEFAULT_HEAT_ABLATION_J_KG = 2.5e6
float engine.pipeline.constants.DEFAULT_THROAT_RECESSION_MULT_ND = 1.3
float engine.pipeline.constants.DEFAULT_GRAPHITE_DENS_KG_M3 = 1800.0
float engine.pipeline.constants.DEFAULT_GRAPHITE_THERMAL_COND_W_M_K = 100.0
float engine.pipeline.constants.DEFAULT_GRAPHITE_SURF_TEMP_LIMIT_K = 2500.0
float engine.pipeline.constants.DEFAULT_GRAPHITE_OXIDATION_TEMP_K = 800.0
int engine.pipeline.constants.DEFAULT_GRAPHITE_OXIDATION_RATE_M_S = 1e-6
float engine.pipeline.constants.DEFAULT_GRAPHITE_CHAR_LAYER_COND_W_M_K = 5.0
float engine.pipeline.constants.DEFAULT_GRAPHITE_CHAR_LAYER_THICK_M = 0.0005
float engine.pipeline.constants.DEFAULT_FILM_MASS_FRAC_ND = 0.05
float engine.pipeline.constants.DEFAULT_FILM_EFF_REF_ND = 0.4
float engine.pipeline.constants.DEFAULT_FILM_DECAY_LEN_M = 0.1
float engine.pipeline.constants.DEFAULT_FILM_REF_BLOWING_RATIO_ND = 0.5
float engine.pipeline.constants.DEFAULT_FILM_BLOWING_EXP_ND = 0.6
float engine.pipeline.constants.DEFAULT_FILM_REF_WALL_TEMP_K = 1100.0
int engine.pipeline.constants.DEFAULT_SMD_M = 100e-6
float engine.pipeline.constants.DEFAULT_EVAPORATION_LEN_M = 0.1
float engine.pipeline.constants.DEFAULT_WEBER_MIN_ND = 15.0
int engine.pipeline.constants.EPSILON_SMALL = 1e-6
int engine.pipeline.constants.EPSILON_TINY = 1e-8
float engine.pipeline.constants.MIN_DENS_KG_M3 = 0.01
float engine.pipeline.constants.MIN_TEMP_K = 1.0
int engine.pipeline.constants.MIN_PRESS_PA = 1e5
float engine.pipeline.constants.MIN_VELOCITY_M_S = 0.0
int engine.pipeline.constants.MIN_AREA_M2 = 1e-6
float engine.pipeline.constants.FALLBACK_DENS_KG_M3 = 1.0
float engine.pipeline.constants.FALLBACK_SOUND_SPEED_M_S = 1000.0
float engine.pipeline.constants.FALLBACK_VELOCITY_M_S = 50.0
float engine.pipeline.constants.FALLBACK_MACH_NUMBER_ND = 0.01
float engine.pipeline.constants.FALLBACK_RESIDENCE_TIME_S = 0.001
float engine.pipeline.constants.FALLBACK_REYNOLDS_NUMBER_ND = 10000.0
float engine.pipeline.constants.CRITICAL_DAMPING_RATIO_ND = 0.05
float engine.pipeline.constants.DEFAULT_FEED_LENGTH_M = 1.0
float engine.pipeline.constants.DEFAULT_FEED_DIAMETER_M = 0.01
float engine.pipeline.constants.DEFAULT_CHAMBER_TIME_CONST_S = 0.01
float engine.pipeline.constants.DEFAULT_EFFICIENCY_C_ND = 0.3
float engine.pipeline.constants.DEFAULT_EFFICIENCY_K_ND = 0.15
float engine.pipeline.constants.DEFAULT_FROZEN_FLOW_PARAM_ND = 0.1
float engine.pipeline.constants.DEFAULT_DECAY_CONST_ND = 3.0
float engine.pipeline.constants.DEFAULT_POWER_EXP_ND = 2.0
float engine.pipeline.constants.K_ENTRANCE_SHARP_ND = 0.5
float engine.pipeline.constants.FEET_TO_METERS = 0.3048
float engine.pipeline.constants.RANKINE_PER_KELVIN = 1.8
float engine.pipeline.constants.LBM_PER_IN_S_TO_PA_S = 0.45359237 / 0.0254
float engine.pipeline.constants.LB_S_PER_IN2_TO_PA_S = 6894.76
float engine.pipeline.constants.DEFAULT_MIXING_EFFICIENCY_ND = 1.0
float engine.pipeline.constants.DEFAULT_TURBULENCE_EFFICIENCY_ND = 0.9
float engine.pipeline.constants.DEFAULT_SMD_FACTOR_ND = 0.5
float engine.pipeline.constants.DEFAULT_EVAP_FACTOR_ND = 0.5
float engine.pipeline.constants.DEFAULT_PROGRESS_INJECTION_ND = 0.0
float engine.pipeline.constants.DEFAULT_PROGRESS_MID_ND = 0.5
float engine.pipeline.constants.DEFAULT_PROGRESS_THROAT_ND = 1.0
float engine.pipeline.constants.STANDARD_ATMOSPHERE_PRESS_PA = 101325.0
float engine.pipeline.constants.STANDARD_AMBIENT_TEMP_K = 300.0
tuple engine.pipeline.constants.FEED_LINE_D_3_8_IN_NOMINAL_M = (3.0 / 8.0) * 25.4e-3
tuple engine.pipeline.constants.FEED_LINE_DUAL_3_8_EQUIVALENT_D_INLET_M = FEED_LINE_D_3_8_IN_NOMINAL_M * (2.0 ** 0.5)
float engine.pipeline.constants.FEED_LINE_DUAL_3_8_EQUIVALENT_A_HYDRAULIC_M2