rho_ph_der

Time derivative function of density_ph

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