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June 30, 2007, 10:44 |
computing Nusselt number in a cavity
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#1 |
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Hello gentlemen,
I was working on fluent to compute the heat transfer analysis in a differentially heated cavity regarding I have few doubts . The model is a basically 2d with temp gradient along two sides and adiabatic boundary on the other two sides with air as the fluid enclosed in it . 1. While doing the analysis is there any neccesity to give a convective boundary condition at nay of the faces ,if yes how ? 2.How to compute the mean nusselt number for the cavity (Is the method of using the surface integrals correct or some better method maybe employes so that we get a correct value to taht obtained by any other value reported in the literature ) thanking you regards Shoaib |
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