Combined Numerical Optimization and Constructal Theory for the Design of Microchannel Heat Sinks

被引：62
|
作者：
Bello-Ochende, T. [1 ]
Meyer, J. P. [1 ]
Ighalo, F. U. [1 ]
机构：
[1] Univ Pretoria, Dept Mech & Aeronaut Engn, ZA-0002 Pretoria, South Africa
来源：
NUMERICAL HEAT TRANSFER PART A-APPLICATIONS | 2010年 / 58卷 / 11期
基金：
新加坡国家研究基金会;
关键词：
SILICON MICROCHANNELS; LIQUID FLOW;
D O I：
10.1080/10407782.2010.529036
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
This study deals with the geometric optimization of a silicon based microchannel heat sink using a combined numerical optimization and constructal theory. The objective is to minimize the wall peak temperature subject to various constraints. The numerical simulations are carried out with fixed volumes ranging from 0.7mm3 to 0.9mm3 and pressure drop between 10kPa to 60kPa. The effect of pressure drop on the optimized aspect ratio, solid volume fraction, hydraulic diameter, and the minimized peak temperature are reported. Results also show that as the dimensionless pressure drop increases the maximized global thermal conductance also increases.
引用
收藏
页码：882 / 899
页数：18
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