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题名: An analysis of turbulent film condensation on a sphere with variable wall temperature under the effect of local shear stress
作者: Hai-Ping Hu
贡献者: 國立臺灣海洋大學:輪機工程學系
关键词: Amplitude;Eddy
日期: 2007-11
上传时间: 2011-10-20T08:34:20Z
出版者: Applied Mathematical Modelling
摘要: Abstract:This paper presents an investigation into turbulent film condensation on a sphere with variable wall temperature. Under the wide range of vapor velocity, the wall temperature and the local film shear stress were considered. The result shows that under the high velocity vapor, the increase of the temperature amplitude will bring out a larger Nusselt number, and the increase is about 2.7–5.6%. Besides, under the effect of the local film shear stress, the mean Nusselt number will decrease about 0.65–0.8%. Furthermore, the paper then discusses the influence of shears and temperature amplitudes on the local dimensionless film thickness and heat transfer characteristics. Finally, the results developed in the current study are compared with those generated by previous theoretical results.
關聯: 31(11), pp.2577–2588
URI: http://ntour.ntou.edu.tw/handle/987654321/26169
显示于类别:[輪機工程學系] 期刊論文

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