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    題名: Transient heat conduction in cool-thermal discharge systems with producing chilled air under constant discharge fluxes and external recycle
    作者: 何啟東;Ho, Chii-dong;Huang, J. W.;Tu, Jr-wei
    貢獻者: 淡江大學化學工程與材料工程學系
    關鍵詞: Cool-thermal discharge system;Constant discharge flux;External recycle;Heat-transfer efficiency improvement
    日期: 2007-11-01
    上傳時間: 2010-08-09 18:18:41 (UTC+8)
    出版者: Elsevier
    摘要: The mathematical model of the heat transfer phenomena in the cool-thermal discharge systems with external recycle and constant discharge flux has been derived theoretically in this study. The chilled air was produced by the ambient air flowing through the ice layer surface and water layer surface after the ice melting. The conduction–convection heat-transfer problem with a moving boundary was solved using the energy balance associated with integral boundary-layer analysis. The effects of recycle operation on the outlet chilled air temperature, air mass velocity and average Nusselt numbers for three numerical cases with three different discharge fluxes were discussed. The results show that a considerable device performance improvement was obtained by employing external recycle in a cool-thermal discharge system.
    關聯: International Communications in Heat and Mass Transfer 34(9-10), pp.1064-1074
    DOI: 10.1016/j.icheatmasstransfer.2007.05.007
    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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