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Energetic, economic and environmental analysis of air source transcritical CO2 heat pump system for residential heating in China
Tianjin University of Commerce.
Tianjin University of Commerce.
Tianjin University of Commerce.
Tianjin University of Commerce.
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2019 (English)In: Applied Thermal Engineering, ISSN 1359-4311, E-ISSN 1873-5606, Vol. 148, p. 1425-1439Article in journal (Refereed) Published
Abstract [en]

Using air source heat pump system for residential heating is a practical way to replace coal-fired boiler in China to alleviate the haze problem, and CO2 is a promising candidate to replace hydrochlorofluorocarbon (HCFC) or hydrofluorocarbon (HFCs) charged into the system. A mathematical model is developed to comprehensively evaluate the energetic, economical and environmental performances of CO2 heat pump system compared with other three traditional heating methods. The results indicate that the primary energy ratio of CO2 heat pump is the highest and it is a rational way to utilize renewable energy with the renewable energy contribution ratio of 0.60–0.69. The initial capital cost of CO2 heat pump is much higher due to the dominant compressor cost. The emission of CO2 heat pump is lower than that of coal-fired boiler at seasonal performance factor above 2.44. The initial and operation cost can be gradually reduced with the mass production and energy efficiency improvement of CO2 heat pump. It is believe that air source CO2 heat pump system can be employed for home heating in China, especial for the hot summer and cold winter region.

Place, publisher, year, edition, pages
2019. Vol. 148, p. 1425-1439
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:mdh:diva-41794DOI: 10.1016/j.applthermaleng.2018.08.061ISI: 000460845100135Scopus ID: 2-s2.0-85058452676OAI: oai:DiVA.org:mdh-41794DiVA, id: diva2:1273365
Available from: 2018-12-20 Created: 2018-12-20 Last updated: 2019-03-28Bibliographically approved

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Li, Hailong

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CiteExportLink to record
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Citation style
  • apa
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  • Other style
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  • de-DE
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More languages
Output format
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  • asciidoc
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