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Computing the heat flux vector in OpenFoam

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Old   May 3, 2022, 12:16
Default Computing the heat flux vector in OpenFoam
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Nikos Vasileiadis
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Hello to everyone,

I am new to OpenFoam. I have a simple laminar simulation and I want to compute and output the heat flux vector (thermalConductivity*grad(T)) for all the cells of my domain. I have found that you can get the heat flux normal to the domain boundaries using the wallHeatFlux utility. However, I cannot find anything helpful on the heat flux vector in a cell. I would be grateful if anyone can provide a solution or point me towards one.

Thanks for any help.
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Old   July 9, 2022, 20:22
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Joachim Herb
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I guess you use paraview? Have you loaded the also the paches. The heat flux field should be defined on the walls (and in the cells of the internal field).
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heat flux in a cell, heat transfer

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