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October 19, 2013, 10:19 |
Kunz cofficient in InterPhasechangeFoam
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#1 |
New Member
Nazanin
Join Date: Sep 2013
Posts: 22
Rep Power: 12 |
Hi Formers
I have managed to implement the interPhaseChangeFoam solver according to the project done by Martin Andersen,So i have a solver that Psat depend temprature.now,I want use this solver for my case,But I dont know how modified empirical coefficients in mass transfer models.foe example if I choose Kunz model ,How determine t or Cprod or Cdest ? If in my case,dont have velocity (all of the case U=0)? whats happen? It means,I have a case with water and vapor and I want evaporate water with Temprature (Psat depend temp)... regards, Nazanin |
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October 19, 2013, 13:09 |
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#2 |
Member
Mohammad Bahreini
Join Date: Dec 2012
Posts: 36
Rep Power: 13 |
Hi Nazanin
for stimulation evaporate with temp,I think you should use another mass transfer model and modified the source term you can read this page http://www.cfd-online.com/Forums/blo...-openfoam.html or if you use this solver I think you should variable diffusion coefficient [DT ] based on the volume fraction of both phases.I did this work,but I have problem too. you tell good point...can we use interPhasechangeFoam solver base this phasechange model without U. as I know ,this solver for cavitation and Cavitation without U....? you can see my thread in this page: http://www.cfd-online.com/Forums/ope...base-temp.html |
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