Steady forced convection heat transfer from a heated circular cylinder to power-law fluids

被引：133
作者：
Bharti, Ram Prakash
Chhabra, R. P. [1 ]
Eswaran, V.
机构：
[1] Indian Inst Technol, Dept Chem Engn, Kanpur 208016, Uttar Pradesh, India
[2] Indian Inst Technol, Dept Mech Engn, Kanpur 208016, Uttar Pradesh, India
来源：
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 2007年 / 50卷 / 5-6期
关键词：
steady flow; power-law fluids; shear-thinning; shear-thickening; circular cylinder; Nusselt number; constant wall temperature; uniform heat flux;
D O I：
10.1016/j.ijheatmasstransfer.2006.08.008
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Forced convection heat transfer to incompressible power-law fluids from a heated circular cylinder in the steady cross-flow regime has been investigated numerically by solving the momentum and thermal energy equations using a finite volume method and the QUICK scheme on a non-uniform Cartesian grid. The dependence of the average Nusselt number on the Reynolds number (5 <= Re <= 40), power-law index (0.6 <= n <= 2) and Prandtl number (1 <= Pr <= 1000) has been studied in detail. The numerical results are used to develop simple correlations as functions of the pertinent dimensionless variables. In addition to the average Nusselt number, the effects of Re, Pr and n on the local Nusselt number distribution have also been studied to provide further physical insights. The role of the two types of thermal boundary conditions, namely, constant temperature and uniform heat flux on the surface of the cylinder has also been presented. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码：977 / 990
页数：14
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