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How to find Heat Transfer Co-efficient (HTC)?

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Old   February 23, 2008, 20:42
Default How to find Heat Transfer Co-efficient (HTC)?
  #1
Raja
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Dear Friends,

Could you please tell me how to get HTC (Heat Transfer Coefficient) in CFX out put results? I would like to know whether CFX can give HTC values of an object if it dissipates power in natural of forced air convection.

Thanks a lot for your time!
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Old   February 24, 2008, 06:56
Default Re: How to find Heat Transfer Co-efficient (HTC)?
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Thiago Queiroz
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If I can remember correctly, you can't. You'd have to create a function with the definition of the HTC.
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Old   February 24, 2008, 16:41
Default Re: How to find Heat Transfer Co-efficient (HTC)?
  #3
Glenn Horrocks
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Hi,

Thiago - you are incorrect. CFX has the HTC as a variable in the results file for a simulation with heat transfer.

To access it you have to click on the "..." button on CFX-Post.

Also, note the HTC is referenced to a "far" temperature. By default the far temperature is the variable (I think this is its name) "wall adjacent temperature". You can use a expert parameter to fix this far temperature to any value you like for comparison to published data.

Glenn Horrocks
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Old   February 24, 2008, 16:52
Default Re: How to find Heat Transfer Co-efficient (HTC)?
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Thiago Queiroz
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Alright, sorry about that and thanks for pointing out.
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Old   February 24, 2008, 19:57
Default Re: How to find Heat Transfer Co-efficient (HTC)?
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Raja
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Dear Thiago Queiroz and Glenn Horrocks,

Thanks a lot for your reply.

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Old   March 4, 2008, 13:20
Default Re: How to find Heat Transfer Co-efficient (HTC)?
  #6
manas
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hai,

how to find out the heat transfer co-efficient by natural convection equipment(fabrication method).please mail me immediately.

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