Thermophysical Models

Thermophysical Models

OpenFOAM is distributed with a huge library of thermophysical models and properties that can read data from standard libraryTables, including liquid and gas properties, combustion and flame speed models.

Basic thermophysical models


hPsiThermo General thermophysical model calculation based on enthalpy h  \relax \special {t4ht= and compressibility                       ψ  \relax \special {t4ht=
hsPsiThermo General thermophysical model calculation based on sensible enthalpy        hs  \relax \special {t4ht= and compressibility                                ψ  \relax \special {t4ht=
ePsiThermo General thermophysical model calculation based on internal energy      e  \relax \special {t4ht= and compressibility                             ψ  \relax \special {t4ht=
hRhoThermo General thermophysical model calculation based on enthalpy h  \relax \special {t4ht=
hsRhoThermo General thermophysical model calculation based on sensible enthalpy        hs  \relax \special {t4ht=
pureMixture General thermophysical model calculation for passive gas mixtures
 
Reaction models


hPsiMixtureThermo Calculates enthalpy for combustion mixture based on enthalpy h  \relax \special {t4ht= and         ψ  \relax \special {t4ht=
hsPsiMixtureThermo Calculates enthalpy for combustion mixture based on sensible enthalpy          hs  \relax \special {t4ht= and                  ψ  \relax \special {t4ht=
hRhoMixtureThermo Calculates enthalpy for combustion mixture based on enthalpy h  \relax \special {t4ht= and         ρ  \relax \special {t4ht=
hsRhoMixtureThermo Calculates enthalpy for combustion mixture based on sensible enthalpy          hs  \relax \special {t4ht= and                  ρ  \relax \special {t4ht=
hhuMixtureThermo Calculates enthalpy for unburnt gas and combustion mixture
homogeneousMixture Combustion mixture based on normalised fuel mass fraction b  \relax \special {t4ht=
inhomogeneousMixture Combustion mixture based on b  \relax \special {t4ht= and total fuel mass fraction ft  \relax \special {t4ht=
veryInhomogeneousMixture Combustion mixture based on b  \relax \special {t4ht=, ft  \relax \special {t4ht= and unburnt fuel mass fraction        fu  \relax \special {t4ht=
dieselMixture Combustion mixture based on ft  \relax \special {t4ht= and fu  \relax \special {t4ht=
basicMultiComponentMixture Basic mixture based on multiple components
multiComponentMixture Derived mixture based on multiple components
reactingMixture Combustion mixture using thermodynamics and reaction schemes
egrMixture Exhaust gas recirculation mixture
 
Radiation models


P1 P1 model
fvDOM Finite volume discrete ordinate method
viewFactor View factor radiation model
 
Laminar flame speed models


constLaminarFlameSpeed Constant laminar flame speed
GuldersLaminarFlameSpeed Gulder’s laminar flame speed model
GuldersEGRLaminarFlameSpeed Gulder’s laminar flame speed model with exhaust gas recirculation modelling
 
Thermophysical properties of gaseous species


icoPolynomial Incompressible polynomial equation of state, e.g. for liquids
perfectGas Perfect gas equation of state
eConstThermo Constant specific heat cp  \relax \special {t4ht= model with evaluation of internal energy      e  \relax \special {t4ht= and entropy                      s  \relax \special {t4ht=
hConstThermo Constant specific heat cp  \relax \special {t4ht= model with evaluation of enthalpy h  \relax \special {t4ht= and entropy                s  \relax \special {t4ht=
hPolynomialThermo cp  \relax \special {t4ht= evaluated by a function with coefficients from polynomials, from which              h  \relax \special {t4ht=,                  s  \relax \special {t4ht= are evaluated
janafThermo c
 p  \relax \special {t4ht= evaluated by a function with coefficients from JANAF thermodynamic libraryTables, from which                                      h  \relax \special {t4ht=,                                           s  \relax \special {t4ht= are evaluated
specieThermo Thermophysical properties of species, derived from cp  \relax \special {t4ht=, h  \relax \special {t4ht= and/or      s  \relax \special {t4ht=
constTransport Constant transport properties
polynomialTransport Polynomial based temperature-dependent transport properties
sutherlandTransport Sutherland’s formula for temperature-dependent transport properties
 
Functions/libraryTables of thermophysical properties


NSRDSfunctions National Standard Reference Data System (NSRDS) - American Institute of Chemical Engineers (AICHE) data compilation libraryTables
APIfunctions American Petroleum Institute (API) function for vapour mass diffusivity
 
Particle distribution functions


RosinRammler Rosin-Rammler distribution
normal Normal distribution
uniform Uniform distribution
exponential Exponential distribution
general General distribution
 
Chemistry model


chemistryModel Chemical reaction model
chemistrySolver Chemical reaction solver
 
Other models


liquidProperties Thermophysical properties of liquids
liquidMixtureProperties Thermophysical properties of liquid mixtures
basicSolidThermo Thermophysical models of solids
solid Thermodynamics of solid species
SLGThermo Thermodynamic package for solids, liquids and gases
solidProperties Thermophysical properties of solids
solidMixtureProperties Thermophysical properties of solid mixtures
thermalPorousZone Porous zone definition based on cell zones that includes terms for energy equations