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How to calculate temperature advection terms

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Old   October 1, 2014, 07:42
Default How to calculate temperature advection terms
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Hi all,

I am using the BuoyantBoussinesqPisoFoam solver which solves temperature convection by fvm::div(phi, T). However, I would like to derive the horizontal advection terms (x and y direction) as well as the subsidence (z-direction). When calculating the advection of heat by the mean wind with U * grad(T) the values seem to be too high and unrealistic.

Probably it is necessary to calculate the terms using the mass flux through the cell faces, but I don't know how to do that. Hope that someone can help me on that.

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advection, mass flux, openfoam, temperature

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