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-   -   Finding Volume fraction at outlet when it changes its phase. (http://www.cfd-online.com/Forums/main/71225-finding-volume-fraction-outlet-when-changes-its-phase.html)

praveen.jpk December 20, 2009 21:56

Finding Volume fraction at outlet when it changes its phase.
 
Hello everyone,

I have a refrigerant coming from inlet and passing through some coils. On top of the coils i have a heat source added to the refrigerant. There the refrigerant is changing its phase from liquid to vapour state. I want to use Multiphase model in fluent for this. My primary phase is liquid and secondary phase is Vapour. I have to find out what is the volume fraction of Vapour (phase2) coming from outlet. While defining the problem in fluent (mixture model) is asking for Volume fractions of phase 2 both at inlet and outlet.

Suggest me which model i have to use to find out Volume fraction at outlet.

I have inlet pressure and flowrate.

Thanks in advance.


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