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Pressure drop in periodic turbluent pipe flow

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Old   September 21, 2005, 00:58
Default Pressure drop in periodic turbluent pipe flow
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lou
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I have a problem with turbulent pipe flow with periodic boundary condition. I used imcompressible, segragate and standard k-e model. I specified fixed mass flow rate. The resulting pressure drop is exactly twice the theoritical value, i.e., the value from moody chart. What is problem? Your suggestion is highly appreciated.
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