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Wall shear stress

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Revision as of 13:24, 13 May 2006

The wall shear stress, \tau_w, is given by:

\tau_w = \mu \left(\frac{\partial u}{\partial y} \right)_{y=0}

Where \mu is the dynamic viscosity, u is the flow velocity parallell to the wall and y is the distance to the wall.

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