Beyond Temperature Glide: The Compressor is Key to Realizing Benefits of Zeotropic Mixtures in Heat Pumps

نویسندگان

چکیده

Zeotropic mixtures are widely discussed as alternative refrigerants for vapor-compression cooling appliances and heat pumps. Mixtures can increase efficiency due to their nonisothermal phase change. In theoretical studies, zeotropic show significant benefits if the temperature glide of mixture matches change in transfer fluids. Such large have never been observed experiments. First, this article clarifies gap between simulations Second, it is shown how could real plants. The analysis based on experimental results from a pump with three studies that also include physical compressor model. performance depend strongly composition. Therefore, key parameter beyond well-matching glides. Based these findings, fluid database screened fluids glides high efficiencies, utilizing As result screening, R152a/R32 identified. corresponding achieve pure components similar efficiencies.

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ژورنال

عنوان ژورنال: Energy technology

سال: 2021

ISSN: ['2194-4288', '2194-4296']

DOI: https://doi.org/10.1002/ente.202000955