Question

 

Describe a velocity compounded impulse turbine with a neat sketch.

06 Mar 2026
Answer :
Word Count : 500
A velocity compounded impulse turbine is a type of impulse turbine in which the steam velocity is reduced in stages by using multiple moving blades arranged on the same rotor. It is designed to extract energy from high-velocity steam efficiently when the pressure drop is taken only across the nozzle and not across the moving blades. This turbine is generally used where a large pressure drop is available in a single stage but it is not practical to convert all kinetic energy into mechanical work in one row of moving blades. In a velocity compounded impulse turbine, steam first expands in the nozzle, converting pressure energy into kinetic energy. The high-velocity steam jet then strikes the first set of moving blades, where part of the ____ __________ __________ _____ _____ _____ ______ _____ ____ ______ ______ _________.
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