淡江大學機構典藏:Item 987654321/55026
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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/55026


    Title: Collector efficiency of upward-type double-pass solar air heaters with fins attached
    Authors: Ho, Chii-Dong;Yeh, Ho-Ming;Chen, Tsung-Ching
    Contributors: 淡江大學化學工程與材料工程學系
    Keywords: Solar air collector;Heat transfer;Collector efficiency;Internal fins
    Date: 2011-01-01
    Issue Date: 2011-08-09 15:10:39 (UTC+8)
    Publisher: Pergamon Press
    Abstract: The collector efficiency of upward-type double-pass flat plate solar air heaters with fins attached and external recycle is investigated theoretically. The double-pass device was constructed by inserting the absorbing plate into the air conduit to divide it into two channels (the upper and lower channels). The double-pass device introduced here was designed for creating a solar collector with heat transfer area double as well as the extended area of fins between the absorbing plate and heated air. Moreover, the advantage of external recycle application to solar air heaters is the enhancement of forced heat convection strength, resulting in considerable device heat transfer performance improvement. This advantage may compensate for the remixing at the inlet which decreases the heat transfer transfer-driving force decrement (temperature difference).
    Relation: International Communications in Heat and Mass Transfer 38(1), pp.49–56
    DOI: 10.1016/j.icheatmasstransfer.2010.09.015
    Appears in Collections:[Graduate Institute & Department of Chemical and Materials Engineering] Journal Article

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