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Old   March 16, 2006, 19:15
Default developed pipe flow
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In a fully developed pipe flow, why does added rotation (for a fixed mass flux) reduce the pressure drop?

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Old   March 17, 2006, 06:46
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is it because it results in a laminarisation of the flow???

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Old   March 31, 2006, 02:50
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U can say that...It's mainly becos of change in frequency (Reduction) of sweeps, Ejection in the near wall region..these mechanisms contribute to friction in wall bounded flow.
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