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Performances of Rankine-cycle engines as functions of their expanders' efficiencies

Author

Listed:
  • Badr, O.
  • O'Callaghan, P.W.
  • Probert, S.D.

Abstract

There is a growing interest in the recovery and utilisation of low-grade heat (e.g. from waste exhaust gases of thermal power and industrial plants, [`]solar' collectors, as well as from geothermal sources) in order to produce mechanical work. Rankine-cycle engines, using organic working fluids, have proven prospects for these applications. In this investigation, the dependence of the performance of a low-grade energy Rankine-cycle engine, using refrigerant 113 as the working fluid, upon the efficiency of the engine's prime mover (i.e. the expander) is evaluated. For low-grade energy applications, the expander's efficiency is the most influential parameter dictating the overall efficiencies of both the simple and the regenerative Rankine-cycle engines. Therefore, for each proposed application, attention should be devoted towards the selection of the most appropriate expander type and then improving its performance characteristics in order to maximise the overall efficiency of the Rankine-cycle engine.

Suggested Citation

  • Badr, O. & O'Callaghan, P.W. & Probert, S.D., 1984. "Performances of Rankine-cycle engines as functions of their expanders' efficiencies," Applied Energy, Elsevier, vol. 18(1), pages 15-27.
    • Handle: RePEc:eee:appene:v:18:y:1984:i:1:p:15-27
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    Cited by:

    1. Kosmadakis, G. & Manolakos, D. & Papadakis, G., 2010. "Parametric theoretical study of a two-stage solar organic Rankine cycle for RO desalination," Renewable Energy, Elsevier, vol. 35(5), pages 989-996.
    2. Yulia Glavatskaya & Pierre Podevin & Vincent Lemort & Osoko Shonda & Georges Descombes, 2012. "Reciprocating Expander for an Exhaust Heat Recovery Rankine Cycle for a Passenger Car Application," Energies, MDPI, vol. 5(6), pages 1-15, June.
    3. Wang, Hailei & Peterson, Richard & Harada, Kevin & Miller, Erik & Ingram-Goble, Robbie & Fisher, Luke & Yih, James & Ward, Chris, 2011. "Performance of a combined organic Rankine cycle and vapor compression cycle for heat activated cooling," Energy, Elsevier, vol. 36(1), pages 447-458.
    4. Borsukiewicz-Gozdur, Aleksandra & Nowak, Władysław, 2007. "Comparative analysis of natural and synthetic refrigerants in application to low temperature Clausius–Rankine cycle," Energy, Elsevier, vol. 32(4), pages 344-352.
    5. Grelet, Vincent & Reiche, Thomas & Lemort, Vincent & Nadri, Madiha & Dufour, Pascal, 2016. "Transient performance evaluation of waste heat recovery rankine cycle based system for heavy duty trucks," Applied Energy, Elsevier, vol. 165(C), pages 878-892.

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