1. Korea Energy Economics Institute, Energy Info Korea, 2018
2. Development of high efficiency steam supply systems “Steam grow heat pump”;Iizuka,2011
3. High temperature heat pumps: Market overview, state of the art, research status, refrigerants, and application potentials;Arpagaus;Energy,2018
4. Experimental results of a newly developed very high temperature industrial heat pump (140°C) equipped with scroll compressors and working with a new blend refrigerant;Bobelin;Int. Refrig. Air Cond. Conf.,2012
5. Performance of finned tube heat exchangers operating under frosting conditions;Yan;Int. J. Heat Mass Transf.,2003