4. Using the expression for the velocity profile through two parallel plates distanced by 2d др apart along y direction, and have width of w and length of L. μ is viscosity and -. is a дх constant pressure gradient drive the flow. Velocity is parallel to the plate along the longitudinal direction. др Vx= (d² - - y²) 2μ მე: 1) draw the profile as a curve in dependent of y, for -d≤ y ≤d. 2) Write and draw the vector form of the velocity. 3) find the shear rate at y = d by taking negative gradient of the velocity profile. 4) find the flow rate by taking integration of velocity profile across the surface area of the flow.

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