functionder_rho_ph

Time derivative of rho(p,h)

Information

This function returns the time derivative of the density as function of p and h according to the chain rule. The partial derivatives are build with help of TTSE functions.

Author: Julien Bonifay SCD
Checked by:
Protection class: internal
Copyright © 2007 Siemens AG. All rights reserved.

This model is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY. For details see disclaimer

Inputs

TypeNameDefaultDescription
SI.PressurepPressure
SI.SpecificEnthalpyhSpecific enthalpy
Integerphase02 for two-phase, 1 for one-phase, 0 if not known
Realder_ptime derivative of pressure
Realder_htime derivative of specific enthalpy

Outputs

TypeNameDefaultDescription
Realder_rhotime derivative of density

Revisions

  • May 2011 by Julien Bonifay