Natural convection heat transfer from a single and multiple heated thin cylinders in water

被引：9
|
作者：
Khalifa, Abdul Jabbar N. [1 ]
Hussien, Zaid Ali [1 ]
机构：
[1] Al Nahrain Univ, Coll Engn, Baghdad, Iraq
来源：
HEAT AND MASS TRANSFER | 2015年 / 51卷 / 11期
关键词：
Heat Flux; Nusselt Number; Rayleigh Number; Free Convection; Vertical Cylinder;
D O I：
10.1007/s00231-015-1524-4
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Natural convection heat transfer from a single heated cylinder and three heated cylinders in an assembly of nine cylinders immersed in water is investigated at different heat flux values. The thin cylinders are assembled in three by three array of square pitch having a pitch to diameter ratio of 2. Empirical correlations for the overall Nusselt number versus average modified Rayleigh number are obtained and compared to the literature's correlations.
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页码：1579 / 1586
页数：8
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