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slip velocity in microchannbel

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Old   October 15, 2002, 00:53
Default slip velocity in microchannbel
Sander Nagoo
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Dear all:

I would like to simulate compressible microchannel flow. The proposed model assume the fluid is a continuum but employs a slip velocity on the channel wall. I have a simple following question, If I want to calculate the slip velocity,what kind of Re I should use Re=rho*u*H/mu or Re=rho*u*2*H/mu

H -- channel high

Please give me some suggestion. Thank you.

Sander best regard
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