High-Efficiency HVAC System with Defog/Dehumidification Function for Electric Vehicles

被引:18
作者
Chang, Tong-Bou [1 ]
Sheu, Jer-Jia [2 ]
Huang, Jhong-Wei [2 ]
机构
[1] Natl Chiayi Univ, Dept Mech & Energy Engn, Chiayi 60003, Taiwan
[2] Southern Taiwan Univ Sci & Technol, Dept Mech Engn, Tainan 71005, Taiwan
关键词
electric vehicle; HVAC; defog; thermal management; recovery technologies for cars; green cars; green car transition; sustainable cars; WASTE HEAT-RECOVERY; PERFORMANCE-CHARACTERISTICS; PUMP SYSTEM;
D O I
10.3390/en14010046
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
Electric vehicles (EVs) generally use an electric heating system to provide heat. However, the heating system consumes a large amount of energy, and therefore reduces the mileage of the vehicle. The energy consumption can be reduced by replacing the electric heating system with a heat pump air conditioning system. Such systems achieve an effective heating of the vehicle interior, but do not provide a defog or dehumidification function. Consequently, the inside surface of the windshield tends to fog in cold weather; leading to poor driver visibility and an impaired road safety. Accordingly, the present study proposes a novel high-efficiency heating, ventilation and air conditioning (HVAC) system with both heating and defog/dehumidification functions for electric vehicles. The effectiveness of the proposed system is investigated experimentally using a simulated cabin placed in a temperature and humidity-controlled test chamber. The experimental results confirm that the HVAC system achieves the required cooling, heating and defog/dehumidification functions and meets the corresponding standards. Moreover, the application of HVAC in EVs could lead to significant electrical power saving effect.
引用
收藏
页数:12
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