# Available Functions¶

## Temperature¶

Function | Description |
---|---|

tsat_p | Saturation temperature |

t_ph | Temperature as a function of pressure and enthalpy |

t_ps | Temperature as a function of pressure and entropy |

t_hs | Temperature as a function of enthalpy and entropy |

## Pressure¶

Function | Description |
---|---|

psat_t | Saturation pressure |

p_hs | Pressure as a function of h and s. |

p_hrho | Pressure as a function of h and rho. Very inaccurate for solid water region since it’s almost incompressible! |

## Enthalpy¶

Function | Description |
---|---|

hV_p | Saturated vapor enthalpy |

hL_p | Saturated liquid enthalpy |

hV_t | Saturated vapor enthalpy |

hL_t | Saturated liquid enthalpy |

h_pt | Enthalpy as a function of pressure and temperature |

h_ps | Enthalpy as a function of pressure and entropy |

h_px | Enthalpy as a function of pressure and vapor fraction |

h_prho | Enthalpy as a function of pressure and density. Observe for low temperatures (liquid) this equation has 2 solutions |

h_tx | Enthalpy as a function of temperature and vapor fraction |

## Specific volume¶

Function | Description |
---|---|

vV_p | Saturated vapor volume |

vL_p | Saturated liquid volume |

vV_t | Saturated vapor volume |

vL_t | Saturated liquid volume |

v_pt | Specific volume as a function of pressure and temperature |

v_ph | Specific volume as a function of pressure and enthalpy |

v_ps | Specific volume as a function of pressure and entropy |

## Density¶

Function | Description |
---|---|

rhoV_p | Saturated vapor density |

rhoL_p | Saturated liquid density |

rhoV_t | Saturated vapor density |

rhoL_t | Saturated liquid density |

rho_pt | Density as a function of pressure and temperature |

rho_ph | Density as a function of pressure and enthalpy |

rho_ps | Density as a function of pressure and entropy |

## Specific entropy¶

Function | Description |
---|---|

sV_p | Saturated vapor entropy |

sL_p | Saturated liquid entropy |

sV_t | Saturated vapor entropy |

sL_t | Saturated liquid entropy |

s_pt | Specific entropy as a function of pressure and temperature (Returns saturated vapor enthalpy if mixture) |

s_ph | Specific entropy as a function of pressure and enthalpy |

## Specific internal energy¶

Function | Description |
---|---|

uV_p | Saturated vapor internal energy |

uL_p | Saturated liquid internal energy |

uV_t | Saturated vapor internal energy |

uL_t | Saturated liquid internal energy |

u_pt | Specific internal energy as a function of pressure and temperature |

u_ph | Specific internal energy as a function of pressure and enthalpy |

u_ps | Specific internal energy as a function of pressure and entropy |

## Specific isobaric heat capacity¶

Function | Description |
---|---|

CpV_p | Saturated vapor heat capacity |

CpL_p | Saturated liquid heat capacity |

CpV_t | Saturated vapor heat capacity |

CpL_t | Saturated liquid heat capacity |

Cp_pt | Specific isobaric heat capacity as a function of pressure and temperature |

Cp_ph | Specific isobaric heat capacity as a function of pressure and enthalpy |

Cp_ps | Specific isobaric heat capacity as a function of pressure and entropy |

## Specific isochoric heat capacity¶

Function | Description |
---|---|

CvV_p | Saturated vapor isochoric heat capacity |

CvL_p | Saturated liquid isochoric heat capacity |

CvV_t | Saturated vapor isochoric heat capacity |

CvL_t | Saturated liquid isochoric heat capacity |

Cv_pt | Specific isochoric heat capacity as a function of pressure and temperature |

Cv_ph | Specific isochoric heat capacity as a function of pressure and enthalpy |

Cv_ps | Specific isochoric heat capacity as a function of pressure and entropy |

## Speed of sound¶

Function | Description |
---|---|

wV_p | Saturated vapor speed of sound |

wL_p | Saturated liquid speed of sound |

wV_t | Saturated vapor speed of sound |

wL_t | Saturated liquid speed of sound |

w_pt | Speed of sound as a function of pressure and temperature |

w_ph | Speed of sound as a function of pressure and enthalpy |

w_ps | Speed of sound as a function of pressure and entropy |

## Viscosity¶

Function | Description |
---|---|

my_pt | Viscosity as a function of pressure and temperature |

my_ph | Viscosity as a function of pressure and enthalpy |

my_ps | Viscosity as a function of pressure and entropy |

## Thermal Conductivity¶

Function | Description |
---|---|

tcL_p | Saturated vapor thermal conductivity |

tcV_p | Saturated liquid thermal conductivity |

tcL_t | Saturated vapor thermal conductivity |

tcV_t | Saturated liquid thermal conductivity |

tc_pt | Thermal conductivity as a function of pressure and temperature |

tc_ph | Thermal conductivity as a function of pressure and enthalpy |

tc_hs | Thermal conductivity as a function of enthalpy and entropy |

## Surface tension¶

Function | Description |
---|---|

st_t | Surface tension for two phase water/steam as a function of T |

st_p | Surface tension for two phase water/steam as a function of p |

## vapor fraction¶

Function | Description |
---|---|

x_ph | vapor fraction as a function of pressure and enthalpy |

x_ps | vapor fraction as a function of pressure and entropy |

## vapor volume fraction¶

Function | Description |
---|---|

vx_ph | vapor volume fraction as a function of pressure and enthalpy |

vx_ps | vapor volume fraction as a function of pressure and entropy |

## Pressure along the Melting and Sublimation Curves¶

Function | Description |
---|---|

pmelt_t | Pressure along the melting curve as a function of temperature |

psubl_t | Pressure along the sublimation curve as a function of temperature |

# Available Functions for Heavy Water¶

Function | Description |
---|---|

my_rhoT | Viscosity as a function of density and temperature |

tc_rhoT | Thermal conductivity as a function of density and temperature |