Numerical Study on the Performance of Double Layer Microchannel with Liquid Gallium and Water

Abstract

The performance of liquid gallium and water in the double layer microchannel has been analysed using three-dimensional conjugate heat transfer analysis. The effect of flow rate on the counter and parallel arrangement of each fluid is studied for three different lengths. Furthermore, cooling capability of liquid gallium and water is compared at the same length with flow rate and pumping power as governing parameters. The performance of fluid was judged on the basis of maximum temperature attained and minimal temperature variations at the heated region. Interesting results have been found showing the effect of specific heat on the type of arrangement for liquid gallium with similar observation for water for low Reynolds number and relatively longer length. Among liquid gallium and water, above certain pumping power use of liquid gallium is found to be favourable for a shorter length of the double layer microchannel. Furthermore, the range of flow rate and pumping power showing superior performance with water was found to increase with the length.

Numerical treatment for Casson liquid flow in a microchannel due to porous medium: A hybrid nanoparticles aspects

“…Therefore, a research to quantitatively determine the heat switch explosion in a micro channel flow with particles will become important. Micro channel is a small and capable heat exchanger where in with the aid of combining a few properties, which include increasing volume coefficient, high temperature distribution coefficient, less quantity of fluid and small measurement, it has grow to be effective suitability in heat variation fields, [12][13][14][15][16][17][18] Micro channel heat sinks (MCHs) are desired because of their small size, need for small amount of operating fluid and high heat energy. Evidently first observe of the micro channel was obviously achieved by Tuckerman and Pease, 19 discussed the water-cooled required heat sink for silicon-included circuits was developed and examined.…”

Enhancement of the performance of a double layered microchannel heatsink using PCM slurry and nanofluid coolants

“…To address this issue, another layer of channels on top of the first layer, in which the coolant flows in the opposite direction of the first layer (counterflow MCHSs), was added [3]. Later investigations revealed that counterflow MCHSs provides an enhanced cooling performance, temperature uniformity, and lower pressure drop rather than the conventional MCHSs [4][5][6][7][8][9][10][11][12][13].…”

Numerical analysis and parametric study of multilayered microchannel heat sinks

“…In the new structure, coolant flows reversely in the top and bottom channels for temperature compensation between the two channels, which leads to a lower pressure drop and a more uniform temperature distribution as compared with onelayered MCHS. Subsequently, many researchers carried out optimization studies on the two-layered MCHS, [20][21][22][23][24][25][26] and the optimized parameters include the solid materials of heat sink, coolant, flow direction, channel shape and size, velocity ratio between two channels, and so on. Based on the various designs of the two-layered MCHS, researchers further constructed multilayered MCHS.…”