14 Engineering Using Lattice Boltzmann Method to Investigate the Flow and Entropy Generation Inside a T-Type Micromixer with a Porous Block
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In this study a thermal Lattice Boltzmann model with nine velocities, D2Q9, was employed to investigate the effects of porous block and its location, and flow Reynolds number over flow pattern, heat transfer and entropy generation inside a T-micromixer. It was shown that higher values of effective thermal conductivity in porous media help to better thermal mixing of hot and cold flows entering from inlet ports. In models that porous block has more contact with horizontal walls, more heat transfer is acquired, also total heat transferred to horizontal walls increases when Reynolds number increases, which decreases the dimensionless entropy generation.