A Pelton wheel is supplied with 12 kg/s of water at 20 m/s. The buckets rotate on a mean diameter of 250 mm at 800 rev/min.                 The deflection angle is 165o and friction is negligible. Determine the diagram power. The output torque of the turbine is 26.5 Nm. The pressure drop over the nozzles is 2.45 bar gauge. Assume the water density is 1000 kg/m3 . Calculate: 1. Mechanical efficiency. 2. Hydraulic efficiency 3. Overall efficiency

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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.