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problem 4 20 points consider fullydeveloped twodimensional flow between two...

Question: problem 4 20 points consider fullydeveloped twodimensional flow between two...

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Problem 4. (20 points) Consider fully-developed two-dimensional flow between two infinite parallel plates separated by distance h. In fully-developed flow, the only component of velocity is in the x-direction and it only varies across the channel height, in the y-direction. The top and bottom plates are stationary and the water flow is driven by the pressure gradient dP/dx. (dP/dx is uniform and negative.) u(y) The x-component of velocity is u(y) (y-hy a. Find the wall shear stress at y h.

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