impulse turbine

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


Origin:
1880–85

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World English Dictionary
impulse turbine
 
n
Compare reaction turbine 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

Collins English Dictionary - Complete & Unabridged 10th Edition
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Example sentences
The rotating section consists of a solid shaft, driven by a shaft mounted air impulse turbine.
The water-valve directs airflow to an impulse turbine with tandem rotors.
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