Work and power optimization of a Brayton cycle are analyzed with a finite-time heat transfer analysis. This work extends the recent flurry of publications in heat engine efficiency under the maximum power condition by incorporating nonisentropic compression and expansion. As expected, these nonisentropic processes lower the power output as well as the cycle efficiency when compared with an endoreversible Brayton cycle under the same conditions.

Issue Section:
Research Papers
Topics:
Brayton cycle, Compression, Cycles, Heat engines, Heat transfer, Optimization
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Copyright © 1991
 by The American Society of Mechanical Engineers
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