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Development and performance evaluation of CO2 automotive heat pump system applied to -20°C environment.

[In Chinese. / En chinois.]

Author(s) : WANG D., ZHANG K., YU B., et al.

Type of article: Article

Summary

Automotive heat pump systems with the R134a refrigerant cannot provide sufficient heating capacity and even stop working in a low ambient temperature. Developing a transcritical CO2 automotive heat pump system would be an effective method to solve this problem. This study theoretically analyzed the impacts of key factors on the performance of a CO2 heat pump system, and experimentally investigated the developed heat pump in a -20°C environment.

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Pages: 14-21

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Details

Original title: [In Chinese. / En chinois.]
Record ID : 30024008
Languages: Chinese
Source: Journal of Refrigeration - vol. 39 - n. 2
Publication date: 2018/04
DOI: http://dx.doi.org/10.3969/j.issn.0253-4339.2018.02.014

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Indexing

Themes: Heat pumps techniques;
CO2;
Mobile air conditioning
Keywords: R134a; Electric vehicle; R744; Heat pump; Expérimentation; COP; Mobile air conditioning; Heating; CO2