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Reference value in Fluent

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Old   March 1, 2013, 13:30
Default Reference value in Fluent
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ahmad
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I have double cylinder lenght =1.5 m heated and T input =300k I want to ask about refernce value (lenght, Temp. and Area need to change if I calculate Nux (nusselt number) and eq. for Nux=hd/k or Nux=hL/k
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Old   March 4, 2013, 13:27
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You should make length equal to the hydraulic diameter of the tube, and temperature equal to the average fluid temperature.
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