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Summary
In order to guide the operation of the actual cascade system, this paper takes the cascade system as the research object and compares the use of six refrigerant pairs. Unlike the previous single-objective optimization of refrigeration system carbon emissions and other indicators, this research uses a multi-objective optimization algorithm, that is, we consider the cascade system's exergy efficiency and carbon emissions at the same time. We reduce carbon emissions while improving the system's exergy efficiency, and finally find out the specific operating conditions under which the system can realize low-carbon and high-efficiency operation, which further promotes the process of achieving energy saving and emission reduction in factories. The optimization results show that among the six refrigerant pairs, the use of R744-R134a and R744-R290 refrigerant pairs can make the system operate better, but considering the high global warming potential (GWP) of R134a refrigerant, the use of R744-R290 combination is more recommended.
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Details
- Original title: Multi-objective (Carbon-Exergy) optimization study of CO2 cascade systems using multiple refrigerant pairs.
- Record ID : 30032410
- Languages: English
- Subject: Technology
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 164
- Publication date: 2024/08
- DOI: http://dx.doi.org/10.1016/j.ijrefrig.2024.05.015
Links
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Indexing
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Themes:
CO2;
Hydrocarbons - Keywords: Cascade system; R744; R134a; R290; Propane; Modelling; Optimization; CO2 emission; Exergy
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Optimization analysis on R290/CO2 cascade refri...
- Author(s) : LIU S., CHEN Y., NING J.
- Date : 2015/08/16
- Languages : English
- Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
- Formats : PDF
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An efficient optimization and comparative analy...
- Author(s) : PATEL V., PANCHAL D., PRAJAPATI A., et al.
- Date : 2019/06
- Languages : English
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 102
- Formats : PDF
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Análisis y evaluación experimental de un sistem...
- Author(s) : ANDREU-NACHER A., CABELLO R., VIDAN-FALOMIR F., LARRONDO-SANCHO R., LLOPIS R., SÁNCHEZ D.
- Date : 2022/04
- Languages : Spanish
- Source: XI Congreso Ibérico y IX Congreso Iberoamericano de Ciencias y Técnicas del Frío, CYTEF 2022.
- Formats : PDF
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Sustainable supermarket refrigeration with HFO ...
- Author(s) : PUROHIT N., GAO K., BIRBARAH P., SETHI A., HULSE R.
- Date : 2023/04/05
- Languages : English
- Source: 3rd IIR conference on HFO Refrigerants and low GWP Blends. Shanghai, China.
- Formats : PDF
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Experimental investigation of the performance o...
- Author(s) : ZHANG Y., HE Y., WANG Y., WU X., JIA M., GONG Y.
- Date : 2020/06
- Languages : English
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 114
- Formats : PDF
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