Wall shear stress

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Revision as of 13:47, 18 December 2008

liormo 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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	The wall shear stress, <math>\tau_w</math>, is given by:		The wall shear stress, <math>\tau_w</math>, is given by: