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International Journal of Mechanical, Industrial and Aerospace Sciences

ISSN: 2517-9950

Total 22 content found

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Numerical Study of Heat Release of the Symmetrically Arranged Extruded-Type Heat Sinks

Year: 2014 Volume: 8 Issue: 11 1820 - 1824 Pages

Abstract: In this numerical study, we want to present the design of highly efficient extruded-type heat sink. The symmetrically arranged extruded-type heat sinks are used instead of a single extruded or swaged-type heat sink. In this parametric study, the maximum temperatures, the base temperatures between heaters, and the heat release rates were investigated with respect to the arrangements of heat sources, air flow rates, and amounts of heat input. Based on the results we believe that the use of both side of heat sink is to be much better for release the heat than the use of single side. Also from the results, it is believed that the symmetric arrangement of heat sources is recommended to achieve a higher heat transfer from the heat sink.

Compressive Stresses near Crack Tip Induced by Thermo-Electric Field

Year: 2014 Volume: 8 Issue: 11 1816 - 1819 Pages

Abstract: In this paper, the thermo-electro-structural coupledfield in a cracked metal plate is studied using the finite element analysis. From the computational results, the compressive stresses reveal near the crack tip. This conclusion agrees with the past reference. Furthermore, the compressive condition can retard and stop the crack growth during the Joule heating process.