1. Experimental investigation of air-source heat pump for cold regions;Ma;Int J Refrig,2003
2. Frost formation with varying environmental parameters;Jones;Trans ASME J Heat Transf,1975
3. Heat pump performance under frosting conditions: part II – simulation of heat pump cycle characteristics under frosting conditions;Yasuda;ASHRAE Trans,1990
4. Payne WV, O’Neal DL. The effects of outdoor fan airflow on the frost/defrost performance of an air source heat pump. In: Heat pump and refrigeration systems design, analysis and applications, AES-vol. 29; 1993. p. 537–45.
5. The application of photo-coupler for frost detecting in an air source heat pump;Byun;Int J Refrig,2006