Effect of heat transfer area and refrigerant mass flux in a gas cooler on heating performance of air-source transcritical CO2 heat pump water heater system

•A prototype of transcritical CO2 heat pump water heater was introduced.•Experiment was conducted for a prototype of transcritical CO2 heat pump water heater.•Simulation was conducted for two categories of gas coolers.•Variation of the optimal pressure with heat transfer area was illustrated.•Variat...

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Veröffentlicht in:	Energy and buildings 2013-12, Vol.67, p.1-10
Hauptverfasser:	Wang, Shouguo, He, Yongning, Tuo, Hanfei, Cao, Feng, Xing, Ziwen
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Building technical equipments Buildings Buildings. Public works Energy management and energy conservation in building Environmental engineering Exact sciences and technology Gas cooler Heat transfer area Mass flux The optimal discharge pressure Transcritical CO2 heat pump water heater
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