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For a given heat sink thermal resistance and ambient temperature, the temperature of an electronic device rises fairly linearly with increasing device heat flux. This relationship is especially problematic for defense electronics, where heat dissipation is projected to exceed 1000 W/cm2 in the near future. Direct and indirect low temperature refrigeration cooling facilitate appreciable reduction in...
In this paper, a novel heat sink with moving fins inserted between cooling fins is suggested for electronics cooling applications. In the novel heat sink, instead of the fan module, moving fins are inserted in the intervals of fixed fins (cooling fins) for generating fluid flow. By the relative motion of the moving fins to the cooling fins, heat dissipation from the cooling fins to the coolant and...
In high power electronics applications, the most preferred way of thermal management is the use of a heat sink and a fan for active cooling. Though this thermal solution is fairly adequate for the current heat dissipation needs, it suffers from some serious limitations, which may tend to limit its use with time. In the present study, we quantify the limitations of a conventional fan-cooled heat sink...
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