Experimental investigation and comparison on heating performance characteristics of two transcritical CO2 heat pump systems

•A new correlation about optimal vapor injection pressure was developed.•A study of a transcritical CO2 system with a flash tank was performed.•The effects of operation conditions on system performance were investigated. An experimental investigation and comparison of the heating performance of the...

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Veröffentlicht in:	Energy and buildings 2021-11, Vol.250, p.111296, Article 111296
Hauptverfasser:	Peng, Xu, Xie, Jintao, Liu, Xinxin, Wang, Guanghui, Wang, Dingbiao, Yang, Yushen
Format:	Artikel
Sprache:	eng
Schlagworte:	Aqueous solutions Carbon dioxide Coefficients Experiment Growth rate Heat exchangers Heat pump Heat pumps Heating Injection Injection molding Transcritical cycle Vapor injection Vapors
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