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Elog values

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Old   January 29, 2003, 05:15
Default Elog values
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roadracer
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Hi everybody. Does anybody know the relationship between the value of Elog of the standard law of the wall and roughness (Ra)of the wall itself? I know that for a smooth wall I should take 9, but how to quantify the word smooth? Any help apreciated Roadracer
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