Jang, Ji Young; Bae, Heung Hee; Lee, Seung Jun; Ha, Man … - In: Applied Energy 110 (2013) C, pp. 9-16
During winter operation, an air-source heat pump extracts heat from the cold outside air and releases the heat into the living space. At certain outside air conditions, when it operates in heating mode, frost can form on the air-cooled heat exchanger, decreasing the heating performance....