Fluidic Microsystems

Dufour, Isabelle; Français, Olivier

doi:10.1002/9781118599839.ch8

Microfluidics 2013

DOI: 10.1002/9781118599839.ch8

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Fluidic Microsystems

Isabelle Dufour¹,

Olivier Français²

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2024

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Design and Optimization of Microfluidic Vortex Diode

Tadyszak,

Jäger,

Pánek

et al. 2024

MCA

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The performed research presents modeling results for designing microfluidic vortex diodes. These devices rectify fluid flow and can be used in many applications on micro and macro scales. The modeling, utilizing computational fluid dynamics (CFD) with the turbulence model RANS k-ε in COMSOL Multiphysics, has led to optimizing diodicity—the reversed-to-forward flow pressure drop ratio. The goal was to find the best flow-rectifying geometry within the 2D vortex-type design by changing the wall geometry, diode shape, and inflow velocities, identifying significant parameters and dependencies. Improving diodicity can be achieved by increasing the radius r1 of the central channel, increasing the entire diode radius r2, decreasing the width w of the rectangular channel, and reducing its length L. Additionally, changing the circular shape of the diode to an elliptical one can improve diodicity. The significance of this research is evident in the potential applications of these devices in microfluidic setups where fixed-geometry unidirectional flow is required, e.g., mixing, filtration, cell separation, and drug delivery, or on industrial scales, e.g., energy harvesting, wastewater treatment, and water sterilization.

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Design and Optimization of Microfluidic Vortex Diode

Tadyszak,

Jäger,

Pánek

et al. 2024

MCA

View full text Add to dashboard Cite

show abstract

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Fluidic Microsystems

Cited by 1 publication

References 52 publications

Design and Optimization of Microfluidic Vortex Diode

Design and Optimization of Microfluidic Vortex Diode

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