R455A Refrigerant as a Prospective Working Fluid in Refrigeration Systems for Gastronomy Furnishings

Tomasz Bernat () and Krzysztof Bieńczak
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Tomasz Bernat: Institute of Machines and Motor Vehicles, Poznań University of Technology, 60-965 Poznań, Poland
Krzysztof Bieńczak: Institute of Machines and Motor Vehicles, Poznań University of Technology, 60-965 Poznań, Poland

Energies, 2024, vol. 17, issue 10, 1-10

Abstract: The general development of technology and universal access means that gastronomy furnishings can be found in every corner of the world. Therefore, it is important to develop these devices and the machines that constitute them. We are talking about refrigeration systems located inside gastronomy furnishings. The R404A refrigerant, popular in recent years, is being withdrawn from use due to its harmful impact on the environment. Modern synthetic refrigerants or natural refrigerants can be used as alternative substances. In modern solutions, it is expected that devices and all cooperating elements have the lowest possible harmful impact on the environment and the user while, at the same time, having the highest possible energy efficiency. First, tests were carried out with the R404A refrigerant. Then, the working medium was replaced without changing any element of the refrigeration system with the modern R455A refrigerant. The system was tested in terms of the operating parameters achieved and in terms of electricity consumption. It was found that there is an alternative R455A refrigerant operating in the refrigeration system of catering furnishings, which provides the system with an average of 34% better energy efficiency than the reference refrigerant R404A. It was also found that the time needed to achieve the set working conditions decreased. An alternative refrigerant allows a refrigeration system to be built based on components available on the market or one that can be used as a direct replacement for the old refrigerant.

Keywords: R455A refrigerant; refrigeration system; gastronomy furnishing (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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