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simple heat pipe flow-beginner

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Old   February 3, 2003, 21:31
Default simple heat pipe flow-beginner
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mcm
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After calculating the heated turbulent pipe flow (2d axisym), I compared Nusselt No. with Dittus Boelter Eq's. but, error is close to 15%. I used standard k-e with two-layer model wall treatment. grid is Nr=50 (wall clustering, y+ = 1) I don't know what is wrong.
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