International Journal of Advanced Studies in Computer Science and Engineering

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This paper proposes a numerical study of the heat transfer and mixing properties of two liquid samples in a two-dimensional T- microchannel with and without elliptic barriers. The effects of various parameters such as mixing efficiency and thermal mixing efficiency and performance index, pressure drop have been analyzed and compared, at Reynolds numbers ranging from 5 to 500. The vortical structure of the flow is examined too. Modeling was performed for laminar flow using the CFD code with water/Al2O3 nanofluid at two volume fractions, base fluid (𝝋=0%) and nanofluid (𝝋=0.5%), and Three cases were chosen and simulated. The results indicated that adding elliptic barriers can enhance the mixing efficiency greater than 80%, performed considerably fine and had a very good quality of performance compared to the standard T-mixer with the cost of a higher pressure drop.

Keywords

T-Microchannel, Elliptic Barriers, Mixing Efficiency, Performance Index, Thermal Mixing, Pressure Drop
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