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a- A plate of length 4m in the direction of the flow and of width 2m...

a- A plate of length 4m in the direction of the flow and of width 2m is pulled at a speed of 108 km/h in water at 15oC find the power needed against the shear force for one side of the plate .

b- oil with dynamic viscosity=0.1 N-s/m2 and density=863 kg/m3 flows between 2 parallel plates 2.5 mm apart and inclined 30 degrees to the horizontal at a rate of 300 cm3/s per one meter of width. Calculate the pressure gradient in the direction of flow.

Engineering   Mechanical-Engineering   
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Answer #1

power against shear force = 198.614 kW

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