• design, fabrication, and experimental demonstration of a microscale monolithic modular absorption heat pump

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/01/01
    • تاریخ انتشار در تی پی بین: 1392/01/01
    • تعداد بازدید: 1266
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     the first ever conceptualization, design, fabrication and successful experimental demonstration of a thermally activated microscale absorption heat pump for miniaturized or mobile applications is reported here. several-fold enhancements in coupled heat and mass transfer possible in microscale passages remove significant hurdles that have hindered the implementation of thermally activated heat pumps. cooling capacities of 100 w–10 s of kw are possible through minor changes in component geometry. these mass-producible miniaturized systems can be packaged as monolithic full-system packages or as discrete, distributed hydronically coupled components integrated into buildings. a 300 w nominal cooling capacity ammonia–water absorption heat pump with overall dimensions of 200 × 200 × 34 mm and a mass of 7 kg was fabricated and tested over a range of heat sink temperatures from 20 to 35 °c with 500–800 w of desorber heat input to yield cooling duties of 136–300 w.

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