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-   -   flow in tube with heat transfer (http://www.cfd-online.com/Forums/openfoam/124436-flow-tube-heat-transfer.html)

Ahmed Khattab October 5, 2013 03:27

flow in tube with heat transfer
 
Dear Foamers,

i tried for long time to simulate a case of graetz flow.

it simply flow inside circular tube with fixed temperature at external wall different from flow temp. there is also a problem with velocity distribution of flow and temp. distribution.

solver is chtMultiRegionSimpleFoam.

case is attached in this link.

https://www.dropbox.com/s/yae8qs1s2xp1069/graetz.tar.gz

thanks in advance.

wyldckat October 6, 2013 14:03

Greetings Ahmed,
Quote:

Originally Posted by rebel ahmed (Post 455159)
there is also a problem with velocity distribution of flow and temp. distribution.

Please provide more information, including an image snapshot, detailing the problem, otherwise it's unlikely that anyone will look at your case.

By the way, proof of the expected solution would also be helpful, so that you can prove that there is a problem with the solution you are getting! ;)

Best regards,
Bruno

Ahmed Khattab October 7, 2013 07:01

Dear Bruno,

thanks for your reply, i attached all case because i didn't know where the problem and i spent a lot of time trying solving it. i searched a lot but didn't find similar case although i think this case is common.now my problem is finally solved and i will create a blog for it.

thanks for your interest.


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