目前,许多汽车用户为了乘坐舒适,给没有空调的汽车增加了空调系统,但由于没有考虑原车能否加装空调或者仅只增加空调装置而未对其它部位进行改动,使得该车在使用中出现了不少问题。诸如车辆的动力性、经济性、加速性变坏,油耗增大,发动机工作抖动,水温升高甚至“开锅”,整车电力不足(夜间更甚)等问题,而且制冷效果不佳。
Air Conditioning Systems Air conditioning has rapidly grown over the past 50 years, from a luxury to a standard system included in most residential and commercial buildings. In 1970, 36% of residences in the U.S. were either fully air conditioned or utilized a room air conditioner for cooling (Blue, et al., 1979). By 1997, this number had more than doubled to 77%, and that year also marked the