Simulation results for fluid and natural convective heat transfer within obstructed channels are presented. Analyses of obstructed regions are important in many engineering applications such as the design of heat exchangers, electrical devices, reactors and energy storage systems. In this study, an h-adaptive FEM algorithm is used to solve for fluid flow and heat transfer in channels with single and multiple obstructions. For comparison purposes, simulation results are also obtained for natural convective heat transfer in a smoothed channel. Results are compared with data in the literature and good agreement is observed. The model is especially attractive for accurately and efficiently assessing designs involving obstructed flow geometries.

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