Question

A continuous moving belt passes upwards through a chemical bath at velocity v0 and picks up a film of liquid of thickness , density and viscosity . Gravity tends to make the liquid drain down, but the movement of the belt keeps the fluid from running off completely. Assume fully developed, laminar flow to write an expression for the rate at which the fluid is being dragged up with the belt in terms of , , v0.

Answer 1

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Explanation: