An axial flow compressor having eight stages and with (50%) reaction design compresses air in the pressure ratio of 4:1. the enters the compressor at (200.C) and flows through it with a constant speed of (90 m/s). The rotating blades of compressor rotate with a mean speed of (180 m/s). isentropic efficiency of compressor may be taken as 82%. Calculate: (i) Work done by the machine (ii) Blades angles. If y=1.4. Cp 1.005 kj/kg K.
An axial flow compressor having eight stages and with (50%) reaction design compresses air in the pressure ratio of 4:1. the enters the compressor at (200.C) and flows through it with a constant speed of (90 m/s). The rotating blades of compressor rotate with a mean speed of (180 m/s). isentropic efficiency of compressor may be taken as 82%. Calculate: (i) Work done by the machine (ii) Blades angles. If y=1.4. Cp 1.005 kj/kg K.
Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter40: Typical Operating Conditions
Section: Chapter Questions
Problem 10RQ: The seasonal energy efficiency ratio (SEER) includes the energy used in the _____and _____cycles.
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