1. Experimental investigation of air-source heat pump for cold regions;Ma;Int. J. Refrig.,2003
2. Frost formation with varying environmental parameters;Jones;J. Heat Transfer.,1975
3. Heat pump performance under frosting conditions: part II–simulation of heat pump cycle characteristics under frosting conditions;Yasuda;Ashrae Trans.,1990
4. Application and analysis of energy tower heat pump technology in air conditioning engineering;Song;Heat. Vent. Air Cond.,2011
5. Experimental study on energy efficiency of heat-source tower heat pump units in winter condition;Li;2011 Third Int. Conf. Meas. Technol. Mechatron. Autom.,2011