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Old   January 21, 2002, 06:49
Default friction factor
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Sabatini
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hi i have one rectangularduct probleme, how i can get the friction coefficient from starcd in order to campare that with the experiment thanks
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Old   January 21, 2002, 08:57
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Joern
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How is YOUR "friction factor" defined ?
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Old   January 21, 2002, 11:06
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Sabatini
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Hay Joern

the friction coefficient for the rectangular duct is f=(8*wall shera stress)/(density*Ub*Ub)Ub is the bulk velocity thanks
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Old   January 21, 2002, 17:18
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Joern
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Check the commands operate, *get, *set and summ which should be enough to calculate your factor. Don't forget to enable the saving of the wall force data.
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Old   January 22, 2002, 08:28
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Sabatini
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Thanks
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Old   January 27, 2002, 10:57
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ccy
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Hi Sabatini:

you need "getw" also.

regards, ccy
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