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Nano fluids are colloidal solutions which contain a small volume fraction of suspended submicron particles or fibers in heat transfer liquids, such as water or glycol mixtures. Compared with the base fluid, numerous experiments have generally indicated an increase in effective thermal conductivity and a strong temperature dependence of the static effective thermal conductivity. However, in practical...
Boiling in microchannel heat sinks is attractive for high-performance electronics cooling due to the high heat transfer rates that can be achieved. However, the physics of flow boiling in microchannels, the flow patterns present, and the effect of microchannel size on the boiling regimes have not been investigated extensively, particularly with dielectric fluids. In the present work, experiments are...
In this paper, we compare thermal performances of two-types of heat sinks commonly used in the electronic equipment industry: plate-fin and pin-fin heat sinks. In particular, heat sinks subject to an impinging flow are considered. For comparison of the heat sinks, we suggest a model based on the averaging method for predicting the pressure drop and the thermal resistance. Experimental investigations...
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