Liu, Di; Zhao, Fu-Yun; Tang, Guang-Fa - In: Renewable Energy 32 (2007) 7, pp. 1228-1242
This paper aims to prolong the heat pump frost time and reduce its growth with heat recovery facility, which should mix the exhausted indoor and outdoor air before entering the evaporator. An ideal mathematic model is developed for heat transfer, frost generation and airside pressure drop. The...