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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/26171

Title: A theoretical study of free convection in turbulent film boiling on a horizontal elliptical tube
Authors: Hai-Ping Hu;Cha’o-Kuang Chen
Contributors: 國立臺灣海洋大學:輪機工程學系
Keywords: elliptica
Date: 2008-08
Issue Date: 2011-10-20T08:34:20Z
Publisher: Heat and Mass Transfer
Abstract: abstract:The present theoretical study investigates turbulent film boiling on an isothermal elliptical tube under quiescent liquid. The effect of radiation is included in the present analysis. The results of the boiling heat transfer under the turbulent vapor show both the temperature and velocity present the non-linear distribution. Besides, under the free convection turbulent film boiling with higher Rayleigh values, the elliptical tube can get a better heat transfer efficiency than a circular tube. However, when Rayleigh values are low, the eccentricity of an elliptical tube seldom influences the heat transfer. Finally, a comparison between the results of the present study and those reported in a previous theoretical and experimental data is provided.
Relation: 44(10), pp.1171-1178
URI: http://ntour.ntou.edu.tw/handle/987654321/26171
Appears in Collections:[輪機工程學系] 期刊論文

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