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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Compare reaction turbine.
Origin of impulse turbine
First recorded in 1880–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for impulse 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 bladesCompare reaction turbine
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012