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International Journal of Energy for a Clean Environment

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ISSN Druckformat: 2150-3621

ISSN Online: 2150-363X

SJR: 0.597 SNIP: 1.456 CiteScore™:: 3.7 H-Index: 18

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COMPARATIVE ANALYSIS OF DIFFERENT REFRIGERANTS USED IN A HIGH-TEMPERATURE VAPOR-COMPRESSION HEAT PUMP

Volumen 18, Ausgabe 2, 2017, pp. 161-174
DOI: 10.1615/InterJEnerCleanEnv.2017022821
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ABSTRAKT

Water is used as a cooling agent in different industrial installations. The heat accumulated with the cooling water is transferred to the environment by heat exchangers. At the same time, heating of industrial and administrative buildings is necessary in cold seasons. Using the heat of the cooling water for heating purposes is an attractive idea. However, this is a low-potential source of heat. Cooling water heat utilization is possible with the help of a high-temperature heat pump. The vapor-compression type of the heat pump is considered. Four refrigerants are selected for the analysis: R142b, R236fa, R600a, and R406a. The computational research is carried out of the high-temperature pump efficiency depending on the refrigerant used. The calculation results for the heat pump thermodynamic cycle with refrigerants selected are presented. The high-temperature heat pump coefficient of performance for heating is shown depending on low-temperature source level for two values of the condensation point temperature: 60°C and 83°C. As a result of the analysis, the refrigerants R236fa and R600a are recommended for being used in a high-temperature heat pump for utilizing the heat of industrial cooling water.

REFERENZIERT VON
  1. Yunus Mohammed, Oreijah Mowffaq M, Performance characteristics of a heat pump using renewable transcritical CO2 refrigerant for heating water, International Journal of Low-Carbon Technologies, 16, 3, 2021. Crossref

  2. Boris Boris, Karnaukh Viktoriia, Biryukov Aleksey, Energy and exergy study of Freon’s R1234yf, R1234ζε for a vapor compression heat pump unit, Energy Systems, 5, 1, 2020. Crossref

  3. Karnaukh V V, Mazur V A, Biryukov A B, Rzhesik K A, Trade-off working fluid selection for heat pumps, IOP Conference Series: Materials Science and Engineering, 791, 1, 2020. Crossref

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