LAPSE:2023.28069v1
Published Article
LAPSE:2023.28069v1
An Advanced Exergoeconomic Comparison of CO2-Based Transcritical Refrigeration Cycles
April 11, 2023
Abstract
CO2-based transcritical refrigeration cycles are currently gaining significant research attention, as they offer a viable solution to the use of natural refrigerants (e.g., CO2). 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 CO2-based transcritical refrigeration cycles. In addition, the work is complemented by an analysis of the CO2 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 CO2 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.
CO2-based transcritical refrigeration cycles are currently gaining significant research attention, as they offer a viable solution to the use of natural refrigerants (e.g., CO2). 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 CO2-based transcritical refrigeration cycles. In addition, the work is complemented by an analysis of the CO2 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 CO2 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.
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Keywords
exergoeconomics, exergy destruction, product cost, transcritical refrigeration
Subject
Suggested Citation
Belman-Flores JM, Rangel-Hernández VH, Pérez-García V, Zaleta-Aguilar A, Fang Q, Méndez-Méndez D. An Advanced Exergoeconomic Comparison of CO2-Based Transcritical Refrigeration Cycles. (2023). LAPSE:2023.28069v1
Author Affiliations
Belman-Flores JM: Department of Mechanical Engineering, Engineering Division, Campus Irapuato-Salamanca, University of Guanajuato, Guanajuato 36885, Mexico [ORCID]
Rangel-Hernández VH: Department of Mechanical Engineering, Engineering Division, Campus Irapuato-Salamanca, University of Guanajuato, Guanajuato 36885, Mexico; Institute of Energy and Climate Research, Forschungszentrum Jülich GmbH, 52425 Jülich, Germany [ORCID]
Pérez-García V: Department of Mechanical Engineering, Engineering Division, Campus Irapuato-Salamanca, University of Guanajuato, Guanajuato 36885, Mexico
Zaleta-Aguilar A: Department of Mechanical Engineering, Engineering Division, Campus Irapuato-Salamanca, University of Guanajuato, Guanajuato 36885, Mexico
Fang Q: Institute of Energy and Climate Research, Forschungszentrum Jülich GmbH, 52425 Jülich, Germany [ORCID]
Méndez-Méndez D: Department of Mechanical Engineering, Engineering Division, Campus Irapuato-Salamanca, University of Guanajuato, Guanajuato 36885, Mexico
Rangel-Hernández VH: Department of Mechanical Engineering, Engineering Division, Campus Irapuato-Salamanca, University of Guanajuato, Guanajuato 36885, Mexico; Institute of Energy and Climate Research, Forschungszentrum Jülich GmbH, 52425 Jülich, Germany [ORCID]
Pérez-García V: Department of Mechanical Engineering, Engineering Division, Campus Irapuato-Salamanca, University of Guanajuato, Guanajuato 36885, Mexico
Zaleta-Aguilar A: Department of Mechanical Engineering, Engineering Division, Campus Irapuato-Salamanca, University of Guanajuato, Guanajuato 36885, Mexico
Fang Q: Institute of Energy and Climate Research, Forschungszentrum Jülich GmbH, 52425 Jülich, Germany [ORCID]
Méndez-Méndez D: Department of Mechanical Engineering, Engineering Division, Campus Irapuato-Salamanca, University of Guanajuato, Guanajuato 36885, Mexico
Journal Name
Energies
Volume
13
Issue
23
Article Number
E6454
Year
2020
Publication Date
2020-12-06
ISSN
1996-1073
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PII: en13236454, Publication Type: Journal Article
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LAPSE:2023.28069v1
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https://doi.org/10.3390/en13236454
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