This function integrates the derivative of temperature w.r.t. time in order to allow a numerical inversion for the complex fundamental equation of state.
function T_props_ph extends Modelica.Icons.Function; input Modelica.Units.SI.Pressure p "pressure"; input Modelica.Units.SI.SpecificEnthalpy h "specific enthalpy"; input Common.InverseDerivatives_rhoT derivs "record for the calculation of T_ph_der"; output Modelica.Units.SI.Temperature T "density"; end T_props_ph;