What is Pelton Turbine?

The meaning of Pelton Turbine

The Pelton wheel is among the most efficient types of water turbines. It was invented by Lester Allan Pelton (1829-1908) in the 1870s, and is an impulse machine, meaning that it uses the principle of Newton's second law to extract energy from a jet of fluid. Many variations of impulse turbines existed prior to Pelton's design, but were very inefficient. The water leaving these wheels typically had high speed, and carried away much of the energy. Pelton modified this with a paddle geometry that, when the rim runs at 1/2 the speed of the water jet, the water leaves the wheel with very little speed, allowing for a very efficient turbine.

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