An Advanced Exergoeconomic Comparison of CO 2 -Based Transcritical Refrigeration Cycles

J. M. Belman-Flores, V. H. Rangel-Hernández, V. Pérez-García, A. Zaleta-Aguilar, Qingping Fang and D. Méndez-Méndez
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J. M. Belman-Flores: Department of Mechanical Engineering, Engineering Division, Campus Irapuato-Salamanca, University of Guanajuato, Guanajuato 36885, Mexico
V. H. Rangel-Hernández: Department of Mechanical Engineering, Engineering Division, Campus Irapuato-Salamanca, University of Guanajuato, Guanajuato 36885, Mexico
V. Pérez-García: Department of Mechanical Engineering, Engineering Division, Campus Irapuato-Salamanca, University of Guanajuato, Guanajuato 36885, Mexico
A. Zaleta-Aguilar: Department of Mechanical Engineering, Engineering Division, Campus Irapuato-Salamanca, University of Guanajuato, Guanajuato 36885, Mexico
Qingping Fang: Institute of Energy and Climate Research, Forschungszentrum Jülich GmbH, 52425 Jülich, Germany
D. Méndez-Méndez: Department of Mechanical Engineering, Engineering Division, Campus Irapuato-Salamanca, University of Guanajuato, Guanajuato 36885, Mexico

Energies, 2020, vol. 13, issue 23, 1-15

Abstract: CO 2 -based transcritical refrigeration cycles are currently gaining significant research attention, as they offer a viable solution to the use of natural refrigerants (e.g., CO 2 ). However, there are almost no papers that offer an exergoeconomic comparison between the different configurations of these types of systems. Accordingly, the present work deals with a comparative exergoeconomic analysis of four different CO 2 -based transcritical refrigeration cycles. In addition, the work is complemented by an analysis of the CO 2 abatement costs. The influences of the variation of the evaporating temperature, the gas cooler outlet temperature, and the pressure ratio on the exergy efficiency, product cost rate, exergy destruction cost rate, exergoeconomic factor, and CO 2 penalty cost rate are compared in detail. The results show that the transcritical cycle with the ejector has the lowest exergetic product cost and a low environmental impact.

Keywords: exergoeconomics; transcritical refrigeration; exergy destruction; product cost (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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