WOLFRAM SYSTEM MODELER

rho_ph_der

Time derivative function of density_ph

Wolfram Language

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

Information

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

This function calculates the derivative of density w.r.t. time. It is used as derivative function for rho_props_ph.

Syntax

d_der = rho_ph_der(p, h, derivs, p_der, h_der)

Inputs (5)

p

Type: AbsolutePressure (Pa)

Description: Pressure
h

Type: SpecificEnthalpy (J/kg)

Description: Specific enthalpy
derivs

Type: InverseDerivatives_rhoT

Description: Record for derivatives
p_der

Type: Real

Description: Derivative of pressure
h_der

Type: Real

Description: Derivative of specific enthalpy

Outputs (1)

d_der

Type: Real

Description: Derivative of density