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    題名: Heat Transfer Phenomena of Power-Law Fluids in Double-Pass Heat Exchangers with Isoflux Conditions
    作者: Ho, Chii-Dong;Lin, Gwo-Geng;Chew, Thiam Leng;Lan, Wei-Hao;Lin, Cheng-Yi
    貢獻者: 淡江大學化學工程與材料工程學系
    關鍵詞: Double-pass operation;Power law fluids;Recycle effect;Uniform wall heat flux
    日期: 2015-02-01
    上傳時間: 2015-02-04 21:54:06 (UTC+8)
    出版者: Wiley - V C H Verlag GmbH & Co. KGaA
    摘要: A new design of conjugated heat transfer in double-pass parallel-plate laminar countercurrent operations of power law fluids under wall isoflux was investigated experimentally and theoretically. The analytical solutions were obtained with a superposition model by introducing an eigenfunction expansion in terms of a power series for the homogeneous part and an asymptotic solution for the inhomogeneous part. The influence of the power law index on the average Nusselt numbers with the various design and operating parameters is also delineated. The theoretical predictions of the experimental results are represented graphically. The heat transfer performance was considerably improved when compared with a single-pass parallel-plate heat exchanger (without inserting a solid separator sheet). Suitable adjustments of the solid separator sheet position can effectively enhance the heat transfer efficiencies for such a recycling double-pass device, as compared with the efficiencies of single- and double-pass devices.
    關聯: Chemical Engineering & Technology 38(2), pp.362-371
    DOI: 10.1002/ceat.201400325
    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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