The static pressure rise in the impeller may roughly equal the rise in the diffuser. A substantial portion of this energy is kinetic which is converted to increased potential energy/static pressure by slowing the flow through a diffuser. The following equation shows this specific energy input. Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2021 and IES 2021 examinations : 1.The output of a diesel engine can be increased without increasing the engine revolution or size in following way. They achieve pressure rise by adding energy to the continuous flow of fluid through the rotor/impeller. Mechanical Engineering : Ic Engines QUESTIONS AND ANSWERS :: part2 : 1 to 5. Figure-0.4 Control volume for a generalized turbomachineĬentrifugal compressors, sometimes called radial compressors, are a sub-class of dynamic axisymmetric work-absorbing turbomachinery.
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