When the vehicle parks in the hot environment, the temperature inside the cabin would increase substantially, and has a bad impact on the comfort of occupants. Ventilation is an effective cooling means in hot environment and the current method applied in vehicle is apt to open ventilation system transitorily when the car starts, reaching the pre-cooling purpose. However, the working hours of ventilation are limited due to great energy consumption, thus in this research solar power is taken into consideration. In this study, a newly exhaust fan is installed at the rear of the car, combining with the original car cabin blower as ventilation system to improve cooling efficiency. The newly installed fan and the original car cabin blower were driven by the solar power panels. Firstly, the influence of blower flow rate on the cooling effect was studied. Then the influence of the cabin air pressure drop on the cooling effect was evaluated. Finally, optimal power allocation between original cabin blower and newly installed exhaust fan was studied when considering cooling effect and total power consumption. Results based on a car model indicates that, optimal power allocation could be achieved when air circulation flow was about 25 L/s, on which condition temperature difference between inside and outside of passenger compartment could be controlled within 6°C, and temperature inside the cabin could be reduced by 16.


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    Title :

    Pushing-pulling based vehicle parking ventilation cooling characteristics analysis


    Contributors:
    Li, Zhi (author) / Xu, Haobo (author) / Tan, Gangfeng (author) / Yu, Zizhen (author) / Yang, Zhongjie (author) / Li, Zhilei (author) / Liu, Yuandong (author) / Cai, Jing (author)


    Publication date :

    2015-08-01


    Size :

    300987 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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