Volume 22, Issue 1 (7-2003)                   JCME 2003, 22(1): 129-142 | Back to browse issues page

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M. Sefid and A. A. Rostami. Determination of Thermal Resistance in Three-Dimensional Analysis of Micro-Channel Heat Sink with Non - Newtonian Fluids. JCME 2003; 22 (1) :129-142
URL: http://jcme.iut.ac.ir/article-1-277-en.html
Abstract:   (3583 Views)
Micro-Channel Heat Sink is a heat exchanger which is used to control the temperature of electronic devices with high heat flux. A comprehensive thermal model for the micro-channels should include three dimensional conduction analysis in the solid body together with three dimensional developing fluid flow as well as heat transfer analyses in the fluid section. This paper reports on a research aimed at finding a solution to the problem. Hydrodynamical and thermal entrance lengths were two parameters considered in this solution. The power law model was used which includes both newtonion and non- newtonion fluids. Finite difference based on control volume with staggered grid with SIMPLE algorithm was applied in which convection terms were estimated using QUICK method. The results showed that the two entrance length parameters are critical in the estimation of Nusselt number. Keywords: 3-dimensional, Non-Newtonian, Micro channel, Heat Sink, Thermal Resistance
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Type of Study: Research | Subject: General
Received: 2014/10/25 | Published: 2003/07/15

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