Forced convection heat transfer from a spheroid to a power law fluid

被引：14

作者：

Sreenivasulu, B. ^{[1
]}

Srinivas, Bhadri ^{[1
]}

Ramesh, K. V. ^{[2
]}

机构：

[1] GVP Coll Engn, Dept Chem Engn, Visakhapatnam 530048, Andhra Pradesh, India

[2] Andhra Univ, Dept Chem Engn, Visakhapatnam 530003, Andhra Pradesh, India

来源：

INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 2014年 / 70卷

关键词：

Power law fluid; Oblate spheroid; Prolate spheroid; Reynolds number; Nusselt number; Prandtl number; NON-NEWTONIAN FLUIDS; MASS-TRANSFER; MIXED CONVECTION; FLOW; DRAG;

D O I：

10.1016/j.ijheatmasstransfer.2013.10.065

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

In this paper steady state forced convective heat transfer from a stationary unconfined spheroid to an incompressible power law fluid is studied numerically. The spheroid is assumed to be maintained at a constant wall temperature. The effect of Reynolds number (Re), Prandtl number (Pr), aspect ratio (E) and power law index (n) on the average Nusselt number was studied. The range of parameters investigated in this study is: 5 <= Re 100; 5 <= Pr <= 100; 0.5 <= n <= 1.5; and 0.5 <= E <= 1.5. The variation of local Nusselt number on the surface of both oblate and prolate spheroids was obtained. Further the Nusselt numbers for spheres lies between the prolate and oblate spheroids for all power law indices. A correlation was developed using least squares regression analysis. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：71 / 80

页数：10

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