Conjugate heat transfer from a circular cylinder to a power-law non-Newtonian fluid

被引：2

作者：

Asnaashari, Majid ^{[1
]}

Tohidi, Amir ^{[1
]}

机构：

[1] Islamic Azad Univ, Dept Mech Engn, Yadegar e Imam Khomeini RAH Branch, Tehran 18155114, Iran

来源：

HEAT TRANSFER-ASIAN RESEARCH | 2019年 / 48卷 / 04期

关键词：

circular cylinder; conjugated heat transfer; non-Newtonian fluid; power-law; LAMINAR CROSS-FLOW; FORCED-CONVECTION; STEADY FLOW; HEAT/MASS TRANSFER; REYNOLDS-NUMBER;

D O I：

10.1002/htj.21441

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

In this paper, conjugate heat transfer from a circular cylinder with a heat source to a non-Newtonian powerlaw fluid is studied. Numerical calculations are carried out in an unconfined computational domain for Reynolds numbers (5 <= Re <= 40), power-law indices (0.6 <= n <= 1.4), and Prandtl numbers (1 <= Pr <= 50) with different heat source values. The pressure coefficient, value, and position of maximum temperature inside the cylinder and the local and average Nusselt number are calculated. Also, the effects of Re, Pr, n, and heat source value on the thermal characteristics in the solid cylinder and the fluid around it are studied and discussed.

引用

页码：1466 / 1482

页数：17

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