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constants

CP_VAP = Float(4.0) * RVGAS module-attribute

Heat capacity of water vapor at constant pressure

CV_AIR = CP_AIR - RDGAS module-attribute

Heat capacity of dry air at constant volume

CV_VAP = Float(3.0) * RVGAS module-attribute

Heat capacity of water vapor at constant volume

C_ICE = Float(1972.0) module-attribute

Heat capacity of ice at -15 degrees Celsius

C_ICE_0 = Float(2106.0) module-attribute

Heat capacity of ice at 0 degrees Celsius

C_LIQ = Float(4185.5) module-attribute

Heat capacity of water at 15 degrees Celsius

D2ICE = DC_VAP + DC_ICE module-attribute

Isobaric heating / cooling

DC_ICE = C_LIQ - C_ICE module-attribute

Isobaric heating / cooling

DC_VAP = CP_VAP - C_LIQ module-attribute

Isobaric heating / cooling

E00 = Float(611.21) module-attribute

Saturation vapor pressure at 0 degrees Celsius (Pa)

GRAV = Float(9.80665) module-attribute

Acceleration due to gravity [m/s^2].04

HLF = Float(333700.0) module-attribute

Latent heat of fusion [J/kg] ~3.34e5

HLV = Float(2466500.0) module-attribute

Latent heat of evaporation [J/kg]

KAPPA = RDGAS / (Float(3.5) * RDGAS) module-attribute

Specific heat capacity of dry air at

LAT2 = np.power(HLV + HLF, 2, dtype=Float) module-attribute

Used in bigg mechanism

LI00 = HLF - DC_ICE * TICE module-attribute

-2.7105966e5, fusion latent heat coefficient at 0 degrees Kelvin

LI2 = LV0 + LI00 module-attribute

2.86799816e6, sublimation latent heat coefficient at 0 degrees Kelvin

LV0 = HLV - DC_VAP * TICE module-attribute

3.13905782e6, evaporation latent heat coefficient at 0 degrees Kelvin

OMEGA = Float(2.0) * PI / Float(86164.0) module-attribute

Rotation of the earth

PSAT = Float(610.78) module-attribute

Saturation vapor pressure at H2O 3pt (Pa)

RADIUS = Float(6371000.0) module-attribute

Radius of the Earth [m]

RDGAS = Float(8314.47) / Float(28.965) module-attribute

Gas constant for dry air [J/kg/deg] ~287.04

RGRAV = Float(1.0) / GRAV module-attribute

Inverse of gravitational acceleration

RHO_H2O = Float(1000.0) module-attribute

Density of water in kg/m^3

RVGAS = Float(8314.47) / Float(18.015) module-attribute

Gas constant for water vapor [J/kg/deg]

SBC = Float(5.6704e-08) module-attribute

Stefan-Boltzmann constant (W/m2/K4)

TFREEZE = Float(273.16) module-attribute

Freezing temperature of fresh water [K]

TICE = Float(273.16) module-attribute

Freezing temperature

TICE0 = Float(273.15) module-attribute

Temp at 0C

TTP = Float(273.16) module-attribute

Temperature of H2O triple point

T_MIN = Float(178.0) module-attribute

Minimum temperature to freeze-dry all water vapor

T_SAT_MIN = TICE - Float(160.0) module-attribute

Minimum temperature used in saturation calculations

T_WFR = TICE - Float(40.0) module-attribute

homogeneous freezing temperature

ZVIR = RVGAS / RDGAS - Float(1) module-attribute

con_fvirt in Fortran physics