For a high-fl ow site with a head of 45 ft, it is desired to designa single 7-ft-diameter turbine that develops 4000 bhp at aspeed of 360 r/min and 88-percent effi ciency. It is decidedfi rst to test a geometrically similar model of diameter 1 ft,running at 1180 r/min. (a) What likely type of turbine is inthe prototype? What are the appropriate (b) head and(c) fl ow rate for the model test? (d ) Estimate the powerexpected to be delivered by the model turbine.

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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.