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Closed intercooled regenerator Brayton-cycle with constant-temperature heat-reservoirs

Author

Listed:
  • Chen, Lingen
  • Wang, Wenhua
  • Sun, Fengrui
  • Wu, Chih

Abstract

The performance of an irreversible closed intercooled regenerator Brayton-cycle coupled to constant-temperature heat reservoirs is analyzed by using the theory of finite-time thermodynamics (FTT). Analytical formulae for dimensionless power and efficiency are derived. Especially, the intercooling pressure-ratio is optimized for the optimal power and the optimal efficiency, respectively. The effects of component (the intercooler, the regenerator, and the hot- and cold-side heat-exchangers) effectivenesses, the compressor and turbine efficiencies, the heat-reservoir temperature-ratio, and the temperature ratio of the cooling fluid in the intercooler and the cold-side heat reservoir on the optimal power and the corresponding efficiency and corresponding intercooling pressure ratio, as well as the optimal efficiency and the corresponding power and corresponding intercooling pressure-ratio are analyzed by detailed numerical examples.

Suggested Citation

  • Chen, Lingen & Wang, Wenhua & Sun, Fengrui & Wu, Chih, 2004. "Closed intercooled regenerator Brayton-cycle with constant-temperature heat-reservoirs," Applied Energy, Elsevier, vol. 77(4), pages 429-446, April.
    • Handle: RePEc:eee:appene:v:77:y:2004:i:4:p:429-446
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    Cited by:

    1. Choudhary, Tushar & Sanjay,, 2017. "Thermodynamic assessment of SOFC-ICGT hybrid cycle: Energy analysis and entropy generation minimization," Energy, Elsevier, vol. 134(C), pages 1013-1028.
    2. Wang, Wenhua & Chen, Lingen & Sun, Fengrui & Wu, Chih, 2005. "Power optimization of an endoreversible closed intercooled regenerated Brayton-cycle coupled to variable-temperature heat-reservoirs," Applied Energy, Elsevier, vol. 82(2), pages 181-195, October.

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