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Old   November 13, 2000, 05:38
Default Impingement cooling
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PK Mukhopadhyay
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Viewed the items on impingement modeling (PHOENICS users' forum, cfd-online). Will someone initiate discussion on: (1)flow separation leading to stagnancy zone - Falkner's proposition ? (2)loss of eddies - hence energies (3)validity of turbulence models particularly k-epsilon model in such region : for heat transfer - what special wall treatment then ? especially if it is a low Pr fluid ?

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Old   November 20, 2000, 04:57
Default Re: Impingement cooling
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Ahmed Hassaneen
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I think K-E model sufer in the impinging zone because the velocity droop to zero and start to build again after impinging on the plate.
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