Mist frequently forms on automobile windscreen glass in cold humid weather. The present paper describes the development of a control device for automatically demisting windscreen glass. Automatic demisting control is initiated when the surface temperature of the glass is lower than the dew point temperature al a given relative humidity and temperature of the cabin inside. It was decided to attach the sensors measuring surface temperature and humidity on the bottom right of the glass and on the back of the rear-view mirror respectively, based on the observation of experiments. The demisting control strategy was originally designed to increase blower speed, change mode, mix hot and cold air, and turn on/off the air conditioner as the mist formed increases. The automatic device was operated with the automatic temperature controller of a heating, ventilation, and air conditioning (HVAC) system and successfully demonstrated in a vehicle test in a cold chamber by following the designed control strategy.


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    Title :

    Automatic demisting control of automobile windscreen glass


    Additional title:

    Steuerung des automatischen Freiblasens einer Fahrzeugwindschutzscheibe


    Contributors:


    Publication date :

    2007


    Size :

    8 Seiten, 11 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




    Automatic demisting control of automobile windscreen glass

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    Automatic demisting control of automobile windscreen glass

    Park, Warn-Gyu / Han, Myung-Chul / Jang, Ki-Lyong | SAGE Publications | 2007


    Automatic demisting control of automobile windscreen glass

    Park,W.G. / Han,M.C. / Jang,K.J. et al. | Automotive engineering | 2007


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