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As shown in the commit messages, Part 1 mainly dealt with basic properties such as density, viscosity, thermal conductivity and specific heat capacity. Part 2 will focus on more advanced properties like vapor pressure, capillary pressure, relative permeability, etc.

Equation of states parameters extracted from ThermalTwoPhaseFlowWithPPLocalAssembler-impl.h

• X_gas_nonwet mass fraction of gas component(e.g air) in nonwetting phase
• (gas component doesn't include water vapor, same for the following)
• x_gas_nonwet molar fraction of gas component in nonwetting phase
• x_vapor_nonwet molar fraction of vapor in nonwetting phase
• p_vapor_nonwet water vapor pressure
• p_gas_nonwet partial pressure of gas component
• mol_density_nonwet molar density of nonwetting phase
• mol_density_water molar density of water
• density_water mass density of water
• density_nonwet_gas mass density of gas component in the nonwetting phase
• density_nonwet_vapor mass density of vapor in the nonwetting phase
• density_nonwet mass density of the nonwetting phase
• density_wet mass density of wetting pahse
• density_solid mass density of the solid phase
• velocity_nonwet velocity of nonwetting phase
• velocity_wet velocity of wetting phase
• heat_capacity_dry_gas heat capacity of dry gas
• heat_capacity_water_vapor heat capacity of water vapor
• heat_capacity_water heat capacity of liquid water
• heat_capacity_solid heat capacity of soil grain
• latent_heat_evaporation latent heat for evaporation(water to vapor)
• enthalpy_nonwet_gas enthalpy of gas component in the nonwetting phase
• enthalpy_nonwet_vapor enthalpy of water vapor in the nonwetting phase
• enthalpy_wet enthalpy of wetting phase
• enthalpy_nonwet enthalpy of the nonwetting phase
• internal_energy_nonwet specific internal energy for the nonwetting phase
• internal_energy_wet specific internal energy for the wetting phase
• heat_conductivity_dry_solid heat conductivity of the dry porous medium
• heat_conductivity_wet_solid heat conductivity of the fully saturated porous medium
• heat_conductivity_unsaturated heat conductivity of the unsaturated porous medium

Equation of states parameters not included in the above list until now:

• viscosity gas
• viscosity water
• permeability
• porosity
• molar mass gas

1. Feature description was added to the changelog
2. Tests covering your feature were added?
3. Any new feature or behavior change was documented?