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    題名: Forced convective heat and mass transfer of a water droplet (effects of vapour concentration)
    其他題名: 水滴在強制對流中之熱及質量傳遞(水蒸汽分壓之影響)
    作者: 杜文謙
    貢獻者: 淡江大學機械與機電工程學系
    關鍵詞: 分壓;水滴;水蒸汽;強制對流;;質量傳遞
    日期: 1978-01
    上傳時間: 2013-07-11 11:54:44 (UTC+8)
    出版者: Taipei : Chinese Institute of Chemical Engineers
    摘要: The rate of evaporation from a water droplet suspended by a glass capillary in a wide range of vapour pressure was measured. Moreover, the method of sweat evaporation from a porous sphere was used as a supplemental experiment, in which the Reynolds number was up to about 1.63 × 103. Care was taken to cool the glass suspender by evaporation cooling and to ensure constant temperature of the droplet during the measurement. Subsequently, the following conclusions are arrived. 1. The heat transfer coefficient was not affected by the vapour concentration and N.u = 2 + 0.63 Pr1/3 Re1/2. 2. The mass transfer coefficient should be described as a function of vapour concentration and Sh(PBM/P)n = 2 + 0.63 Sc1/3 Re1/2 where n = ‐ (0.4 ‐ 1/Sc1/3 Re1/2).
    關聯: Journal of the Chinese Institute of Engineers=中國工程學刊 1(1), pp.23-35
    DOI: 10.1080/02533839.1978.9676596
    顯示於類別:[機械與機電工程學系暨研究所] 期刊論文

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