Natural Convection Transport from Sphere Held in Vertical Cylindrical Cavities

被引：0
|
作者：
S. U. Rahman
机构：
[1] King Fahd University of Petroleum and Minerals,Department of Chemical Engineering, Center of Research Excellence in Renewable Energy
来源：
Arabian Journal for Science and Engineering | 2013年 / 38卷
关键词：
Mass transfer; Natural convection; Limiting diffusion current technique; Spheres; Cylindrical cavities;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Limiting diffusion current technique has been used to obtain average mass transfer coefficients at surface of sphere placed in vertical cylinder. Effects of the Rayleigh number and ratio of height of the cylinder and radius of the sphere on the mass transfer coefficients have been studied. The data correlate well using gap between the sphere and cylinders (L) as characteristic length. A power–law relationship exists between Sherwood number (ShL) and Rayleigh number (RaL) in the studied range of RaL = 2.73 × 107 to 4.62 × 109.
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页码：1951 / 1957
页数：6
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