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August 12, 2011, 18:26
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bulk temperature
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#1 |
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New Member
amin hosseini
Join Date: Aug 2011
Posts: 1
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hi friends ,
I wish you good moments must polt the nusselt number in a circular tube under the condition that : constant flux and constant wall temperature we know the nusselt number after the developed region undert this conditions are 4.36 and 3.66 but my nusselt number is very large ! I think my problem is the bulk temperature ! but I don't know how can I correcte this problem , help me please step by step if you konw , I need the plot af nusselt number that leading to 4.36 and 3.66 thank you dears , -in fluent software- |
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September 23, 2012, 03:11
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#2 |
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New Member
Join Date: May 2011
Posts: 2
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I have same problem,please help us
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September 25, 2012, 20:51
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#3 | |
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Senior Member
Syavash Asgari
Join Date: Apr 2010
Posts: 473
Rep Power: 18 |
Quote:
Could you manage to solve the problem?! If not, I have some hints for you! Bests. |
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September 26, 2012, 01:42
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#4 |
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New Member
pooja jhunjhunwala
Join Date: Sep 2012
Posts: 1
Rep Power: 0 |
you should use udf for bulk temperature,as u must be knowing that bulk temperature is integration of u(r)T(r)rdr /integration of u(r)rdr...where u is avg.velocity T is temperature and r is radius of ur pipe and limit is from 0toR
Last edited by POOJAJJW; September 26, 2012 at 02:00. |
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