IIR document
Comparison of the heating performance of air-source heat pumps using various types of refrigerant injection.
Author(s) : HEO J., JEONG M. W., BAEK C., et al.
Type of article: Article, IJR article
Summary
The performance degradation of air-source heat pumps cannot be avoided when they operate at both very low and high ambient temperatures. The refrigerant injection technique has rapidly developed in recent years due to its outstanding performance at low ambient temperatures. This study measured the heating performance of air-source heat pumps in which novel vapour injection techniques of a combined flash tank and sub-cooler (FTSC) cycle and a double expansion sub-cooler (DESC) cycle were applied. The performance of these cycles was compared with that of a flash tank (FT) and a sub-cooler (SC) cycle. The average heating capacities of the FT, FTSC, and DESC cycles were higher by 14.4, 6.0, and 3.8%, respectively, relative to that of the SC cycle, but the average COPs for the respective cycle options were very similar.
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Pages: pp. 444-453
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Details
- Original title: Comparison of the heating performance of air-source heat pumps using various types of refrigerant injection.
- Record ID : 2010-2027
- Languages: English
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 34 - n. 2
- Publication date: 2011/03
Links
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Indexing
- Themes: Heat pumps techniques
- Keywords: Air-water; Two-stage system; Heat pump; Performance; Injection; Refrigerant; Heating
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- Date : 2010/07/12
- Languages : English
- Source: 2010 Purdue Conferences. 13th International Refrigeration and Air-Conditioning Conference at Purdue.
- Formats : PDF
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- Date : 2017/07/20
- Languages : English
- Source: 8th international conference on compressors and refrigeration, 2017.
- Formats : PDF
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Theoretical analysis and comparison of differen...
- Author(s) : WU D., HU B., LIANG J., WANG R. Z.
- Date : 2020/12/07
- Languages : English
- Source: 14th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL2020). Proceedings. Kyoto, Japon, December 7-9th 2020.
- Formats : PDF
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Thermodynamic cycle analysis and experimental i...
- Author(s) : HUANG H., LIANG X., ZHEN B., et al.
- Date : 2016/07/11
- Languages : English
- Source: 2016 Purdue Conferences. 16th International Refrigeration and Air-Conditioning Conference at Purdue.
- Formats : PDF
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Experimental investigation on the two-stage com...
- Author(s) : LIU F., TAN J., XIONG J.
- Date : 2010/07/12
- Languages : English
- Source: 2010 Purdue Conferences. 13th International Refrigeration and Air-Conditioning Conference at Purdue.
- Formats : PDF
View record