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Ultra-low temperature refrigeration system of CO2 using cyclone separator/evaporator.
Number: 0088
Author(s) : YAMAGUCHI H., ISHIKAWA Y., YAMASAKI H., KAMIMURA T., HATTORI K., NEKSA P.
Summary
In order to achieve ultra-low temperature system below -70℃, the CO2 refrigeration system with a cyclone separation evaporator, that separates dry ice, utilizes the sublimation heat of the dry ice generated during the expansion process. The system proves a useful refrigeration system with cold energy storage function compared to that of the conventionally used horizontal evaporator (CHE) system. In this study, the effect of the ethanol circulation system, which is installed as a secondary chiller on the cascade heat pump cycle, is investigated experimentally, and the basic performance of the ethanol circulation system is reported in details.
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Details
- Original title: Ultra-low temperature refrigeration system of CO2 using cyclone separator/evaporator.
- Record ID : 30029696
- Languages: English
- Subject: Technology
- Source: 15th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL2022). Proceedings. Trondheim, Norway, June 13-15th 2022.
- Publication date: 2022/06/13
- DOI: http://dx.doi.org/10.18462/iir.gl2022.0088
- Document available for consultation in the library of the IIR headquarters only.
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Indexing
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Themes:
CO2;
Evaporators, condensers and other heat exchangers - Keywords: Low temperature; Natural refrigerant; CO2; R744; Dry ice; Sublimation; Evaporator; Expérimentation; Performance; COP
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