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  • Thermodynamic analysis of a cascade heat pump incorporated in high-temperature heating system
    Rudonja, Nedžad ...
    In this article is presented thermodynamic analysis of a cascade heat pump system designed for using in high-temperature heating systems. The own thermodynamic model was built by using properties of ... working fluids from the CoolProp base. The cascade heat pump was designed to use ambient air as heat source with temperature t[sub]amb= -20 °C and for heating water in the high-temperature heating system up to 70 °C. The projected heating capacity of the cascade heat pump was 100 kW. The coefficient of performance (COP) of the cascade heat pump system due to use of different working mediums combinations in cycles of the cascade heat pump was investigated. For the best combination of working fluids (mediums) sub-cooling, super-heating, pressure loss in compressor's suction line, as well as exergy efficiency of the heat pump were analysed as a function of the mean temperature of the cascade heat exchanger.
    Source: Strojniški vestnik = Journal of mechanical engineering. - ISSN 0039-2480 (Vol. 66, no. 11, Nov. 2020, str. 677-683)
    Type of material - article, component part
    Publish date - 2020
    Language - english
    COBISS.SI-ID - 38179075

    Link(s):

    https://www.sv-jme.eu/sl/article/thermodynamic-analysis-of-a-cascade-heat-pump-incorporated-in-high-temperature-heating-system/
    Digitalna knjižnica Slovenije - dLib.si
    DOI

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