Numerical analysis of a heat exchanger with curved segmental baffle and Cassini oval cross-section tubes in various bundle arrangements

This work investigates the effect of a number of perforated fin configurations on the convective flow characteristics within a heated trapezoidal channel. By improving the flow characteristics, pressure distribution, velocity profiles, and temperature patterns, it is intended to investigate optimum performance by using different geometrical fin designs. Numerical simulations are performed for solid and perforated fins with Reynolds numbers from 100 000 up to 200 000. Most importantly, the results highlight that perforations cause significant changes in flow behavior, such as the formation of distinct recirculation zones and dynamic pressure profile variations, which influence the thermal characteristics. This study identifies that optimization of perforated fin geometries is a key strategy to achieve high efficiency in thermal management systems for effective cooling of engineering applications.

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Numerical analysis of a heat exchanger with curved segmental baffle and Cassini oval cross-section tubes in various bundle arrangements

Cited by 3 publications

References 50 publications

Experimental study and neural network-based prediction of thermal performance of applying baffles and nanofluid in the double-pipe heat exchangers

Experimental study and neural network-based prediction of thermal performance of applying baffles and nanofluid in the double-pipe heat exchangers

On the pillow-plate heat exchanger with wavy walls and filled with a hybrid nanofluid: Numerical simulation and data-assisted prediction

Flow characteristics in heated trapezoidal channels: A finite element method study of Reynolds number and fin design influences

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