WOLFRAM SYSTEM MODELER

derivsOf_ph

Derivatives required for inversion of temperature and density functions

Wolfram Language

In[1]:=
SystemModel["Modelica.Media.R134a.R134a_ph.derivsOf_ph"]
Out[1]:=

Information

This information is part of the Modelica Standard Library maintained by the Modelica Association.

This function calculates the derivatives required for an inversion of temperature and density function.

Syntax

derivs = derivsOf_ph(p, h, phase)

Inputs (3)

p

Type: AbsolutePressure (Pa)

Description: Pressure
h

Type: SpecificEnthalpy (J/kg)

Description: Specific enthalpy
phase

Type: Integer

Description: Number of phases

Outputs (1)

derivs

Type: InverseDerivatives_rhoT

Description: Inverse derivatives for density and temperature