Author Topic: How can I adjust the turbulent Prandtl number for enthalpy in CFX ?  (Read 5991 times)

Offline pitney1

  • Jr. Member
  • **
  • Posts: 65
  • Reputation: +0/-0
  • Searching for solution
    • View Profile
Advertisement
I want to adjust turbulent Prandtl number in CFX. Please help.


Offline william

  • Full Member
  • ***
  • Posts: 159
  • Reputation: +15/-0
  • Know it, share it.
    • View Profile
Turbulent Prandtl Number for Enthalpy:

The turbulent Prandtl number for enthalpy transport can be controlled by means of the TURBULENT FLUX CLOSURE singleton located under HEAT TRANSFER MODEL:
FLOW:

DOMAIN:

FLUID MODELS:
HEAT TRANSFER MODEL:
Option =
TURBULENT FLUX CLOSURE:
Option = Eddy Diffusivity
Turbulent Prandtl Number = <real> # default=0.9
END
END

END

END

END

The value specified here also applies to component mass fractions, unless overridden as described below.