A certain fan delivers 340 m3/min of air at a static pressure of 25.4 mm of water gage when operating at a speed of 400 rpm and requires an input of 3 kW. If in the same installation 425 m/min of air are desired, what will be the new static pressure in terms of mm of water and fan power required?

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Applied Fluid Mechanics

A fluid is a substance that is continuously deformed by the application of shear stress. The rate of deformation of a fluid depends on its viscosity. The fluid tries to flow when it interacts with some other system.