Proceedings of the 8th International Conference on Fluid Flow, Heat and Mass Transfer (FFHMT'21) 2021
DOI: 10.11159/ffhtm21.147
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Heat Transfer Augmentation Using Dissimilar Porous Baffles in a Backward-Facing Step Flow

Abstract: This paper reports a numerical investigation of the use of a pair of baffles of dissimilar porosity as heat augmentation devices in a backward-facing step flow in a two-dimensional channel. The specific goal of this study is to explore the possibility of providing a pressure penalty-free heat transfer enhancement using such a pair of porous baffles in a laminar forced convection flow. The numerical simulations are done using a finite element-based COMSOL Multiphysics commercial software. The parameters studied… Show more

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“…His work examined how variations in the height, width, Darcy number, and thermal conductivity of the baffle affect the performance number if the bottom wall temperature was imposed. Arthur and co-workers [24,25] investigated the inclusion of two porous baffles after the step in a BFS channel, one on the bottom wall and other on the top wall, but used a pore-level approach to model the flow through porous media (while Li et al [22] and Zhao [23] used volume-average models). The bottom wall was kept at a constant temperature, and the dimensions and characteristics of the porous baffles were varied, similar to what was done in the works mentioned above.…”
Section: Introductionmentioning
confidence: 99%
“…His work examined how variations in the height, width, Darcy number, and thermal conductivity of the baffle affect the performance number if the bottom wall temperature was imposed. Arthur and co-workers [24,25] investigated the inclusion of two porous baffles after the step in a BFS channel, one on the bottom wall and other on the top wall, but used a pore-level approach to model the flow through porous media (while Li et al [22] and Zhao [23] used volume-average models). The bottom wall was kept at a constant temperature, and the dimensions and characteristics of the porous baffles were varied, similar to what was done in the works mentioned above.…”
Section: Introductionmentioning
confidence: 99%