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how to get fluid internal internal energy

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Old   December 17, 2007, 02:54
Default how to get fluid internal internal energy
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Hi all

I am running unsteady state thermal analysis of fluid enclosed in a cylinder for conduction. I want to find out fluid's internal energy. How to get fluid's internal energy?

Which average should i use to get fluids internal energy? (volume weighted/ area weighted/ mass integral )

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