Baumeister, Theodore Formerly, Department of Mechanical Engineering, Columbia University, New York, New York; Editor in Chief, "Standard Handbook for Mechanical Engineers"
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A machine which converts the energy of an elevated water supply into mechanical energy of a rotating shaft. Most old-style waterwheels utilized the weight effect of the water directly, but all modern hydraulic turbines are a form of fluid dynamic machinery of the jet and vane type operating on the impulse or reaction principle and thus involving the conversion of pressure energy to kinetic energy. The shaft drives an electric generator, and speed must be of an acceptable synchronous value. See also: Generator
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