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Performance analysis of an irreversible cascaded heat-transformer

Author

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  • Göktun, Selahattin
  • Deha Er, Ismail

Abstract

By employing an irreversible thermodynamic approach the optimum performance of an cascaded absorption heat-transformer system is investigated. To get closer to real machines, the effects of thermal resistances and internal irreversibilities on the performance of the cascaded cycle is considered. An improved equation for the coefficient of performance (COP) of the system under consideration was obtained. The analyses show that the cascaded cycle has a significant increase in the systems gross temperature lift (GTL) over the single stage heat-transformer.

Suggested Citation

  • Göktun, Selahattin & Deha Er, Ismail, 2002. "Performance analysis of an irreversible cascaded heat-transformer," Applied Energy, Elsevier, vol. 72(2), pages 529-539, June.
    • Handle: RePEc:eee:appene:v:72:y:2002:i:2:p:529-539
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    References listed on IDEAS

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    1. Rivera, W & Romero, R.J & Best, R & Heard, C.L, 1999. "Experimental evaluation of a single-stage heat transformer operating with the water/Carrol™ mixture," Energy, Elsevier, vol. 24(4), pages 317-326.
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    Cited by:

    1. Qin, Xiaoyong & Chen, Lingen & Sun, Fengrui & Wu, Chih, 2004. "An absorption heat-transformer and its optimal performance," Applied Energy, Elsevier, vol. 78(3), pages 329-346, July.
    2. Donnellan, Philip & Cronin, Kevin & Byrne, Edmond, 2015. "Recycling waste heat energy using vapour absorption heat transformers: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 42(C), pages 1290-1304.

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