Parametric study on the mixing and pressure loss of channel flow behind cylinder connected with Y-shaped elastic flag

Liao, Wei; Jing, Dalei

doi:10.1016/j.cep.2023.109270

Chemical Engineering and Processing - Process Intensification

2023

DOI: 10.1016/j.cep.2023.109270

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Parametric study on the mixing and pressure loss of channel flow behind cylinder connected with Y-shaped elastic flag

Wei Liao

Dalei Jing

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2024

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Cited by 2 publications

References 31 publications

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Improvement of mixing performance in laminar micromixers utilizing vortex-induced vibration of two circular cylinders

Ding,

Xiong,

Han

et al. 2024

International Communications in Heat and Mass Transfer

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Improvement of mixing performance in laminar micromixers utilizing vortex-induced vibration of two circular cylinders

Ding,

Xiong,

Han

et al. 2024

International Communications in Heat and Mass Transfer

View full text Add to dashboard Cite

Heat and mass transfer performance of fluid flow behind an L-shaped flexible beam connected to a cylinder within a microchannel at various Reynolds numbers

Hu,

Li,

Jing

2024

Physics of Fluids

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To analyze and compare the influence of an asymmetric flexible beam connected to a bluff body on the heat and mass transfer performance of microchannel flow at different Reynolds number, this study numerically investigated the effects of an L-shaped flexible beam with varying sizes connected to a cylinder on pressure loss, Nusselt number, and outlet mixing efficiency of the microchannel flow at three Reynolds numbers based on the cylinder diameter Red of 25, 50, and 100. The results revealed that adjusting the dimensions of the L-shaped flexible beam enhances the thermal and mixing performance of the microchannel flow compared to the fluid flow within the microchannel with only a single cylinder under the same inlet flow condition. This enhancement is particularly significant at Red = 25, where the L-shaped flexible beam facilitates the transition of flow pattern to vortex flow from the laminar flow observed within the channel with only a single cylinder. Compared to the single cylinder configuration, the Nusselt number and the outlet mixing efficiency increased by 29.42%, 27.68%, 25.51% and 434.75%, 29.67%, 16.54% when Red are 25, 50, and 100, respectively. This research provides valuable insights into enhancing the heat and mass transfer efficiency of low-Reynolds-number microchannel flow through the utilization of advanced asymmetric flexible vortex generators, with potential applications in high-efficiency microfluidic mixing enhancement and thermal management.

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Parametric study on the mixing and pressure loss of channel flow behind cylinder connected with Y-shaped elastic flag

Cited by 2 publications

References 31 publications

Improvement of mixing performance in laminar micromixers utilizing vortex-induced vibration of two circular cylinders

Improvement of mixing performance in laminar micromixers utilizing vortex-induced vibration of two circular cylinders

Heat and mass transfer performance of fluid flow behind an L-shaped flexible beam connected to a cylinder within a microchannel at various Reynolds numbers

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