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Optimization of a dual cycle cogeneration system based on a new exergetic performance criterion

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  • Ust, Yasin
  • Sahin, Bahri
  • Kodal, Ali

Abstract

An ecological performance analysis for an irreversible dual-cycle cogeneration system has been performed. The objective function is called as the exergetic-performance coefficient (EPC) and defined as the ratio of total exergy output to the loss rate of availability. The general and optimal performances of the irreversible dual-cycle cogeneration system, having a finite-rate of heat transfer, heat leak and internal irreversibilities based on the EPC objective function have been investigated. Comparisons with respect to the optimal total-exergy output are also provided in order to establish the utility of the new exergetic-performance coefficient. The analyzed results of the dual-cycle cogeneration system considered, working at maximum EPC conditions, have a significant advantage in terms of entropy-generation rate and can be used for the selection of optimal design parameters.

Suggested Citation

  • Ust, Yasin & Sahin, Bahri & Kodal, Ali, 2007. "Optimization of a dual cycle cogeneration system based on a new exergetic performance criterion," Applied Energy, Elsevier, vol. 84(11), pages 1079-1091, November.
    • Handle: RePEc:eee:appene:v:84:y:2007:i:11:p:1079-1091
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    References listed on IDEAS

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    1. Chen, Lingen & Sun, Fengrui & Wu, Chih, 2004. "Optimal performance of an irreversible dual-cycle," Applied Energy, Elsevier, vol. 79(1), pages 3-14, September.
    2. Ust, Yasin & Sahin, Bahri & Sogut, Oguz Salim, 2005. "Performance analysis and optimization of an irreversible dual-cycle based on an ecological coefficient of performance criterion," Applied Energy, Elsevier, vol. 82(1), pages 23-39, September.
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    Cited by:

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    2. Matelli, José Alexandre & Bazzo, Edson & da Silva, Jonny Carlos, 2011. "Development of a case-based reasoning prototype for cogeneration plant design," Applied Energy, Elsevier, vol. 88(9), pages 3030-3041.
    3. Ahmadi, Mohammad H. & Ahmadi, Mohammad Ali & Sadatsakkak, Seyed Abbas, 2015. "Thermodynamic analysis and performance optimization of irreversible Carnot refrigerator by using multi-objective evolutionary algorithms (MOEAs)," Renewable and Sustainable Energy Reviews, Elsevier, vol. 51(C), pages 1055-1070.
    4. Barelli, L. & Barluzzi, E. & Bidini, G., 2011. "Modeling of a 1Â MW cogenerative internal combustion engine for diagnostic scopes," Applied Energy, Elsevier, vol. 88(8), pages 2702-2712, August.
    5. Açıkkalp, Emin & Caner, Necmettin, 2015. "Determining performance of an irreversible nano scale dual cycle operating with Maxwell–Boltzmann gas," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 424(C), pages 342-349.
    6. Açıkkalp, Emin, 2015. "Exergetic sustainability evaluation of irreversible Carnot refrigerator," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 436(C), pages 311-320.
    7. Ferreira, Ana C. & Nunes, Manuel L. & Teixeira, José C.F. & Martins, Luís A.S.B. & Teixeira, Senhorinha F.C.F., 2016. "Thermodynamic and economic optimization of a solar-powered Stirling engine for micro-cogeneration purposes," Energy, Elsevier, vol. 111(C), pages 1-17.

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