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Old   April 23, 2004, 04:22
Default Wall roughness
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Hi all i am currently doing a simulation of turbulent flow inside a pipe. is there a correlation between wall roughness height and the friction factor relation for Nusselt correlations for turbulent pipe flow?
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Old   April 24, 2004, 22:44
Default Re: Wall roughness
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hehe i also wonder the answer for it .can somebody tell us how to determine the roughness height and roughness constant
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