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Hello

I new in OpenFoam user and I try to get the bulk temperautre about a area.

the theory: my problem

tbulk = integration(U*T*dA) / integration(U*dA)

the nummerical:

I'm not really sure how to sovle this problem.
Postprocessing or ?
I think that you need a summation about the area,like:
sum = sum + T(n)*U(n)*dy (Fortran 2D)
How can i fixed this problem?
Have somebody a idea?

Thanks
valentin