Q2) Air at 300 K and 100 kPa enters into the compressor of a gas turbine engine that operates on a Brayton cycle. The air mass fl ow rate is 5 kg/s and the maximum air temperature in the engine is 1200 K. If the pressure ratio of the cycle is (r = 4), a. Find the effi ciency of the engine, assuming ideal compression and expansion. b. Find the power output for( case a). c. What would be the isentropic efficiency of each device that would result in no work output from the engine if the compressor and turbine were not ideal? d. What are the exit temperatures from the turbine and the compressor for that case.
Q2) Air at 300 K and 100 kPa enters into the compressor of a gas turbine engine that operates on a Brayton cycle. The air mass fl ow rate is 5 kg/s and the maximum air temperature in the engine is 1200 K. If the pressure ratio of the cycle is (r = 4), a. Find the effi ciency of the engine, assuming ideal compression and expansion. b. Find the power output for( case a). c. What would be the isentropic efficiency of each device that would result in no work output from the engine if the compressor and turbine were not ideal? d. What are the exit temperatures from the turbine and the compressor for that case.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Transcribed Image Text:Q2) Air at 300 K and 100 kPa enters into the compressor of a gas turbine engine that
operates on a Brayton cycle. The air mass fl ow rate is 5 kg/s and the maximum air
temperature in the engine is 1200 K. If the pressure ratio of the cycle is (r = 4),
a. Find the effi ciency of the engine, assuming ideal compression and expansion.
b. Find the power output for( case a).
c. What would be the isentropic efficiency of each device that would result in no work
output from the engine if the compressor and turbine were not ideal?
d. What are the exit temperatures from the turbine and the compressor for that case.
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