9-150 Air enters the compressor of a regenerative gas- turbine engine at 310 K and 100 kPa, where it is compressed to 900 kPa and 650 K. The regenerator has an effectiveness of 80 percent, the air enters the turbine at 1400 K, and the tur- bine isentropic efficiency is 90 percent. Determine the exergy destruction associated with each of the processes of the cycle, assuming a source temperature of 1260 K and a sink tempera- ture of 300 K. Also, determine the exergy of the exhaust gases at the exit of the regenerator. Take P = exhaust Po= 100 kPa and affume variable pecific heats for air
9-150 Air enters the compressor of a regenerative gas- turbine engine at 310 K and 100 kPa, where it is compressed to 900 kPa and 650 K. The regenerator has an effectiveness of 80 percent, the air enters the turbine at 1400 K, and the tur- bine isentropic efficiency is 90 percent. Determine the exergy destruction associated with each of the processes of the cycle, assuming a source temperature of 1260 K and a sink tempera- ture of 300 K. Also, determine the exergy of the exhaust gases at the exit of the regenerator. Take P = exhaust Po= 100 kPa and affume variable pecific heats for air
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:9-150 Air enters the compressor of a regenerative gas-
turbine engine at 310 K and 100 kPa, where it is compressed
to 900 kPa and 650 K. The regenerator has an effectiveness of
80 percent, the air enters the turbine at 1400 K, and the tur-
bine isentropic efficiency is 90 percent. Determine the exergy
destruction associated with each of the processes of the cycle,
assuming a source temperature of 1260 K and a sink tempera-
ture of 300 K. Also, determine the exergy of the exhaust gases
at the exit of the regenerator. Take Pexhaust = Po= 100 kPa and
assume variable specific heats for air.
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