空气源热泵机组阵列冷岛效应模拟分析OA

The model of air-source heat pump u-nit array is established,and the flow field and tempera-ture field distribution around the evaporator,as well as the air intake volume of evaporator fan and the uneven-ness of inlet surface temperature of evaporator finned tube heat exchanger are numerically simulated.The central area of the air-source heat pump unit array is prone to the cold island effect.Appropriately increasing the spacing between units is beneficial for alleviating the cold island effect.For the air-source heat pump unit ar-ray surrounded by a wall,it is advisable to install the heat pump units in an overall elevated manner.