Evaporation and condensation Model in Fluent

amy24d · April 24, 2015, 03:21

Hello everyone,

I am trying to simulate a problem in Fluent, that involves evaporation and condensation of water. I am using VOF model for multiphase along-with evaporation condensation model provided by fluent. But it does not seem to work correctly.

Can anyone tell me which models should I use in order to simulate evaporation and condensation phenomena of water. How can I evaluate the evaporation and condensation frequencies for my particular problem.

Please help me with this problem. I would really appreciate that.
Thank you

vasava · April 29, 2015, 06:23

Is there any reason why you are using VOF. If I am not wrong the evaporation and Condensation do not work with VOF. I suggest you switch to mixture model.

amy24d · April 29, 2015, 06:30

Thank you for your suggestion.

I also wanted to know about the evaporation and condensation frequencies. If anyone can tell me how to set the values of these constants it would be a great help.

Thanks a lot.

vasava · April 29, 2015, 07:01

You can read this page on researchgate http://www.researchgate.net/post/How...ling_in_Fluent . It might help.

amy24d · April 29, 2015, 07:06

Thanks a lot..

kbaker · May 26, 2015, 12:20

amy24d may you mention the type of flow pattern you hope to study in your simulations?

April 24, 2015, 03:21	Evaporation and condensation Model in Fluent	#1
amy24d New Member Join Date: Apr 2015 Posts: 3 Rep Power: 10	Hello everyone, I am trying to simulate a problem in Fluent, that involves evaporation and condensation of water. I am using VOF model for multiphase along-with evaporation condensation model provided by fluent. But it does not seem to work correctly. Can anyone tell me which models should I use in order to simulate evaporation and condensation phenomena of water. How can I evaluate the evaporation and condensation frequencies for my particular problem. Please help me with this problem. I would really appreciate that. Thank you

April 29, 2015, 06:23		#2
vasava Senior Member Paritosh Vasava Join Date: Oct 2012 Location: Lappeenranta, Finland Posts: 732 Rep Power: 22	Is there any reason why you are using VOF. If I am not wrong the evaporation and Condensation do not work with VOF. I suggest you switch to mixture model. amy24d likes this.

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April 29, 2015, 06:30		#3
amy24d New Member Join Date: Apr 2015 Posts: 3 Rep Power: 10	Thank you for your suggestion. I also wanted to know about the evaporation and condensation frequencies. If anyone can tell me how to set the values of these constants it would be a great help. Thanks a lot.

April 29, 2015, 07:01		#4
vasava Senior Member Paritosh Vasava Join Date: Oct 2012 Location: Lappeenranta, Finland Posts: 732 Rep Power: 22	You can read this page on researchgate http://www.researchgate.net/post/How...ling_in_Fluent . It might help.

April 29, 2015, 07:06		#5
amy24d New Member Join Date: Apr 2015 Posts: 3 Rep Power: 10	Thanks a lot..

May 26, 2015, 12:20		#6
kbaker Senior Member Khalid Baker Join Date: Mar 2009 Location: IRAQ Posts: 168 Rep Power: 17	amy24d may you mention the type of flow pattern you hope to study in your simulations?