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A Regenerative Gas-Turbine cycle operates under pressure ratio of 9. The compressor inlet conditions are 18°C and 1 bar and its efficiency is 85%. The thermal ration of the heat exchanger is 80%. Heat is added to the compressed air after leaving the heat exchanger till its temperature became 9000C. The air then expands adiabatically in a 75% efficient turbine. If the air mass flow rate not exceeds 10 kg/s, determine the rate of heat added, the turbine work, the back work ratio, and the cycle thermal efficiency.

A Regenerative Gas-Turbine cycle operates under pressure ratio of 9. The compressor inlet conditions are 18°C and 1 bar and its efficiency is 85%. The thermal ration of the heat exchanger is 80%. Heat is added to the compressed air after leaving the heat exchanger till its temperature became 9000C. The air then expands adiabatically in a 75% efficient turbine. If the air mass flow rate not exceeds 10 kg/s, determine the rate of heat added, the turbine work, the back work ratio, and the cycle thermal efficiency.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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Example-2 A Regenerative Gas-Turbine cycle operates under pressure ratio of 9. The compressor inlet conditions are 18°C and 1 bar and its efficiency is 85%. The thermal ration of the heat exchanger is 80%. Heat is added to the compressed air after leaving the heat exchanger till its temperature became 900°C. The air then expands adiabatically in a 75% efficient turbine. If the air mass flow rate not exceeds 10 kg/s, determine the rate of heat added, the turbine work, the back work ratio, and the cycle thermal efficiency.
Transcribed Image Text:Example-2 A Regenerative Gas-Turbine cycle operates under pressure ratio of 9. The compressor inlet conditions are 18°C and 1 bar and its efficiency is 85%. The thermal ration of the heat exchanger is 80%. Heat is added to the compressed air after leaving the heat exchanger till its temperature became 900°C. The air then expands adiabatically in a 75% efficient turbine. If the air mass flow rate not exceeds 10 kg/s, determine the rate of heat added, the turbine work, the back work ratio, and the cycle thermal efficiency.
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