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    题名: Collector efficiency of upward-type double-pass solar air heaters with fins attached
    作者: Ho, Chii-Dong;Yeh, Ho-Ming;Chen, Tsung-Ching
    贡献者: 淡江大學化學工程與材料工程學系
    关键词: Solar air collector;Heat transfer;Collector efficiency;Internal fins
    日期: 2011-01-01
    上传时间: 2011-08-09 15:10:39 (UTC+8)
    出版者: Pergamon Press
    摘要: 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).
    關聯: International Communications in Heat and Mass Transfer 38(1), pp.49–56
    DOI: 10.1016/j.icheatmasstransfer.2010.09.015
    显示于类别:[化學工程與材料工程學系暨研究所] 期刊論文

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