impulse turbine

American  

noun

1. a turbine moved by free jets of fluid striking the blades of the rotor together with the axial flow of fluid through the rotor.

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impulse turbine British  

noun

1. a turbine in which the expansion of the fluid, often steam, is completed in a static nozzle, the torque being produced by the change in momentum of the fluid impinging on curved rotor blades Compare reaction turbine

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Etymology

Origin of impulse turbine

First recorded in 1880–85