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Negative Nusselt number at a mixed convection simulation |
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September 19, 2022, 10:56
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Negative Nusselt number at a mixed convection simulation
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New Member
Mashrur Muntasir Nuhash
Join Date: Sep 2022
Posts: 2
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Can anybody suggest to me how to calculate the surface Nusselt number in a mixed convection simulation in Ansys Fluent?
The simulation is a laminar internal flow problem which includes a 1-meter-long pipe with constant heat flux. If I input the volume average of the fluid temperature as reference temperature, the Nusselt number becomes negative. The fluid properties are temperature-dependent. I created a UDF for them. Thanks in advance. Cheers! |
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| ansys fluent, negative nusselt number |
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