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Design optimization of a round-tube-plate-fin type CO2 gas cooler is presented in this paper for commercial refrigeration applications. Based on the total heat rejection requirement for a 98 kW cooling capacity system at a design point, a gas cooler with certain heat transfer surface area can be determined for a chosen approach temperature. Coil pressure drop is an outcome of a design and varies with the circuiting arrangement. A parametric study was conducted to study the impact of the coil structural change on system energy efficiency using coil circuiting, i.e. coil pressure drop as a design parameter. The study showed that there was an optimal pressure drop for gas cooler designs that provided maximum system efficiency while meeting the required performance.
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Details
- Original title: Design optimization of air-cooled CO2 gas coolers for commercial refrigeration applications.
- Record ID : 30022107
- Languages: English
- Source: 8th international conference on compressors and refrigeration, 2017.
- Publication date: 2017/07/20
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- Author(s) : CORTELLA G., D'AGARO P., COPPOLA M. A.
- Date : 2020/03
- Languages : English
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 111
- Formats : PDF
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Modelling and analysis of CO2 gas coolers for c...
- Author(s) : SANTOSA I. M. C., SUAMIR I., GE Y. T., et al.
- Date : 2013/04/02
- Languages : English
- Source: 2nd IIR International Conference on Sustainability and the Cold Chain. Proceedings: Paris, France, April 2-4, 2013.
- Formats : PDF
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Water storage to improve the efficiency of CO2 ...
- Author(s) : POLZOT A., D'AGARO P., GULLO P., et al.
- 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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- Author(s) : HAFNER A., NEKSÅ P.
- Date : 2018/06/18
- Languages : English
- Source: 13th IIR Gustav Lorentzen Conference on Natural Refrigerants (GL2018). Proceedings. Valencia, Spain, June 18-20th 2018.
- Formats : PDF
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Application of CO2 in supermarkets in Europe.
- Author(s) : SIENEL T., HEINBOKEL B., HUFF H.
- Date : 2012/10/29
- Languages : English
- Source: ASHRAE/NIST Refrigerants Conference: moving towards sustainability.
- Formats : PDF
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