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Title: Analysis of an R744 typical booster configuration, an R744 parallel-compressor booster configuration and an R717/R744 cascade refrigeration system for retail food applications. Part 1: Thermodynamic analysis
Authors: Amaris, C
Tsamos, KM
Tassou, SA
Keywords: Natural refrigerants;booster refrigeration system;cascade refrigeration system;energy analysis;exergy analysis
Issue Date: 18-Mar-2019
Publisher: Elsevier
Citation: Energy Procedia, 2019, 161 pp. 259 - 267
Abstract: This is an open access article under the CC BY-NC-ND license ( In this paper, the performances of a typical R744 booster configuration, a R744 parallel-compressor booster refrigeration system, and a R717/R744 cascade system configuration are presented based on the 1 st and 2 nd law of thermodynamics, for food retail applications. The results for a supermarket application with a total 145 kW cooling capacity show that the typical booster system and parallel-compressor booster system have better performances than the cascade system. However, for convenience store applications with 30 kW total cooling capacity the cascade system shows better performance beyond 26 °C ambient temperature which limits the applications of the cascade system for low capacity systems and the parallel refrigeration system solution appears to be a better option. In addition, the most critical components of each system based on the 2 nd law are identified in this paper.
ISSN: 1876-6102
Appears in Collections:Dept of Mechanical Aerospace and Civil Engineering Research Papers

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