Mixed convection heat transfer from a horizontal channel with protruding heat sources

被引：25

作者：

Premachandran, B ^{[1
]}

Balaji, C ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Mech Engn, Heat Transfer & Thermal Power Lab, Madras 600036, Tamil Nadu, India

来源：

HEAT AND MASS TRANSFER | 2005年 / 41卷 / 06期

关键词：

D O I：

10.1007/s00231-004-0570-0

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

A numerical investigation is carried out to study fluid flow and heat transfer characteristics of conjugate mixed convection from a two dimensional horizontal channel with four protruding heat sources mounted on one of the finite thick channel walls. The flow is assumed as laminar, hydrodynamically and thermally developing. Water and FC70 are the fluids under consideration. The geometric parameters such as spacing between the channel walls (S), size of protruding heat sources (L-h x t(h)), thickness of substrate (t) and spacing between heat sources (b) are fixed. Results are presented to show the effect of parameters such as Re-S, Gr(S)*, Pr, k(p)/k(f) and k(s)/k(f) on fluid flow and heat transfer characteristics. Using the method of asymptotic expansions, correlations are also presented for the maximum temperature of heat source.

引用

页码：510 / 518

页数：9

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