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Heat pipe simulation with phase change

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Old   July 12, 2013, 04:50
Default Heat pipe simulation with phase change
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Mohammad Bahreini
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Hi
i want simulate Heat pipe with openFoam,But i cant choose use better twophase solver for this! interfoam or twophaseEulerfoam or interphasechangefoam?
guide me plz..
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Old   July 12, 2013, 16:53
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Bruno Santos
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Greetings mecman,

Can you be more specific of what you want to simulate?

Best regards,
Bruno
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Old   July 13, 2013, 00:53
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Hi Bruno Santos
i want simulate heat pipe with two phase flow(vapor and liquid).
operation heat pipe:
a heat pipe is closed tube that filled of working fluid. At the heat source(evaporator) the cold liquid(working fluid) is evaporated, the hot vapor flow(with bubble) is afterwards transported to the heat sink(condenser) where the vapor condensates again and is transported back to the heat source.
in this case we have heat and mass transfer.i want start work with interfoam solver but i dont know is good solver for this
Plz Help
T N Q
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Old   July 13, 2013, 14:26
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Hi Mohammad Bahreini,

Ah, that's indeed a better description
A bit of Googling lead me to this page: http://www.openfoam.org/version2.1.0/multiphase.php
From that page, I believe the solver you're looking for is compressibleTwoPhaseEulerFoam. On that page it indicates which tutorial demonstrates how to use the solver.

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Old   July 13, 2013, 15:23
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Hi Bruno Santos
T N Q for reply
you offer me, choose Compressible two phase Euler solver?this solver is new,and i dont have information of that..do you think best solver for my case?
regard and very very T N Q
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Old   July 13, 2013, 16:06
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Hi Mohammad Bahreini,

As I said, from the description on that page, it seems to be the only solver that fits the description of your case. All other multiphase related solvers are either just for incompressible flow and/or cavitation and do not seem to take into account heat transfer.
Therefore, unless you do not want to simulate the actual phase change between liquid and vapour states, then this solver seems to be the best suited.

Best regards,
Bruno
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Old   July 13, 2013, 16:56
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Hi Bruno Santos
thanx for help me...
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Old   September 8, 2013, 04:16
Default condensation and evaporation simultaneously
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Hi Burno and Mohammad
In youre opinion, can we have condensation and evaporation model in one solver? As Mohammad said, in heat pipe condensation and evaporation occur simultaneously, I simulate Heat pipe in Fluent with UDF code , but OpenFoam, I donít know Ö.is it possible?
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Old   September 8, 2013, 09:49
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Greetings Sasan,

It's possible, but I'm not familiar with these solvers on OpenFOAM.
It's very possible that you'll have to code a solver yourself, based on the existing solvers.

Best regards,
Bruno
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Old   February 24, 2020, 22:52
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Ilhwan Yeo
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Quote:
Originally Posted by mecman View Post
Hi
i want simulate Heat pipe with openFoam,But i cant choose use better twophase solver for this! interfoam or twophaseEulerfoam or interphasechangefoam?
guide me plz..
Hi
I want to simulate the same situation. but I want to add conjugate solver.
Did you solve it? If you solve it, Could you help me?
thank you.
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Old   May 8, 2020, 03:42
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hi, i want to simulate the flow boiling.can you help me?which solver can simulate the eavaporation ? thanks in advance
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