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Old   February 9, 2006, 07:20
Default Wall Heat Flux-Radiation
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Hello All,

I want to calculate the total heat extracted through walls. I am using function calculator, areaInt-Wall Heat Flux function in CFX10 post.This is a radiation and convective problem. Heat is not balancing from both sides(looser (lost by gas)is not equal to gainer(extracted through wall)).

Can you suggest how can i get exact total heat extracted through walls(to out of domain).

Thanks Regards Crit

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Old   February 9, 2006, 10:01
Default Re: Wall Heat Flux-Radiation
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Dear Crit,

As a start, I would check that the (energy + radiation) flows at the looser and gainer boundaries in the output file match (check the in the doc for Solver Manager Output Files for Radiation Runs). Those are the real flows used/computed by the CFX solver. If they do not, then there is a problem with the solution.

If they match, the problem is with the hybrid values. Is your surface mesh coarse, or fine? Hybridization smear the values from the used in the solver and that can create some imbalanced when using the calculator in CFX-Post..

Good luck, Opaque..

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