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Airpak: Problems with heat flow contour conditions

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Old   November 16, 2001, 05:42
Default Airpak: Problems with heat flow contour conditions
Ivan de Miguel Urain
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I am working with Airpak. I'm analysing the cooling of a transformer substation. So I have modeled a transformer. It is formed by a cube and some wings or blades ( I have put them in the 4 lateral walls of the cube)for transferring the heat. I have some problems: 1- I have 74 wings or blades. So the hexaedrical mesh is very large 2- I put a boundary condition of heat flow for each blade (each one must transfer 113.5 W). I obtain the solution and I obtain a full report ofa the heat flow for the blades but there is something wrong because I obtain that some blades transfer only 50 w approx. and other transfer more than 200 w.

I have some doubts. Can I have problems with the convergence? Problems with modeling the blades like 2D sources?

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Old   November 16, 2001, 09:36
Default Re: Airpak: Problems with heat flow contour condit
walter schwarz
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the best method for resolving problems like these is to first contact your local airpak technical support and explain the problem to them and if necessary exchange your model with them electronically (ftp or email) so that they can recommend specific actions.
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