Question: (a) Water flows between two large flat plates. The lower plate moves to the left at a speed of 0.3ms1; the upper plate is stationary.

(a) Water flows between two large flat plates. The lower plate

(a) Water flows between two large flat plates. The lower plate moves to the left at a speed of 0.3ms1; the upper plate is stationary. The plate spacing is 3mm and the flow is laminar. Determine the pressure gradient required to produce zero net flow at any cross-section. Navier-Stokes equation in x direction (tu+uxu+vyu+wzu)=gxxP+(x22u+y22u+z22u) where u,v and w are the x,y and z components of velocity

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