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نویسندگان مقالات پربازدید :
مهندسی حرارتی کاربردی
جزئیات رویداد
اینستاگرام تی پی بین
همایش ، رویداد ، ژورنال
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  • performance enhancement of air-cooled chillers with water mist: experimental and analytical investigation

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    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/01/01
    • تاریخ انتشار در تی پی بین: 1392/01/01
    • تعداد بازدید: 709
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     this paper investigates how water mist evaporative pre-cooling can be applied to air-cooled chillers to improve the chiller efficiency by on-site experimental studies. there is a lack of detailed experimental studies on the application of water mist system on air-cooled chillers. the experiment was conducted on a chiller plant with water mist system in a subtropical climate. the experimental results showed that the dry bulb temperature (dbt) of entering condenser air with water mist pre-cooling could drop by up to 9.4 k from the ambient air temperature, and the approach could be as low as 0.5 k. a thermal effectiveness of up to 0.91 was obtained in using the water mist system. the pre-cooled condenser air enabled a drop of the condensing temperature by up to 7.2 k, and the chiller coefficient of performance (cop) could be improved in varying degrees by up to 18.6%. this study demonstrates that the water mist system coupled to air-cooled chillers is an energy-efficient and environment friendly technique, which has significant potential to improve the efficiency of air-cooled chillers and reduce the electricity demand for the commercial and industrial sector.

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