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
EngineDesign
engine
pipeline
constants.py
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