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    請使用永久網址來引用或連結此文件: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/44281

    題名: The influence of recycle on multi-pass laminar counterflow heaters or coolers
    作者: Ho, Chii-dong;Tsai, Yu-chuan
    貢獻者: 淡江大學化學工程與材料工程學系
    關鍵詞: Heat transfer;Multi-pass device;Conjugated Graetz problems
    日期: 2002-07-01
    上傳時間: 2010-03-09 10:08:04 (UTC+8)
    出版者: Taylor & Francis Inc.
    摘要: A multi-pass laminar counterflow cooler or heater is an open duct divided into four subchannels with uniform wall temperature by inserting three impermeable sheets. Only the temperature of the flow stream varies along the subchannels. Improvements in heat transfer efficiency were investigated analytically with the use of eigenfunction expansions in the power series. The enhancement results in heat-transfer efficiency for two multi-pass devices (flow pattern A and flow pattern B) are represented graphically and compared with those in a single-pass device (without three impermeable sheets inserted) and those in a double-pass device (only one impermeable sheet inserted). Analytical results show that suitable impermeable-sheet position adjustments can effectively enhance heat transfer efficiencies for two multi-pass devices (flow pattern A and flow pattern B) compared with the efficiencies of single and double-pass devices.
    關聯: Chemical engineering communications 191(8), pp.1064-1082
    DOI: 10.1080/00986440490276407
    顯示於類別:[化學工程與材料工程學系暨研究所] 期刊論文


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