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This research aims to understand flow transitions in an active nematic fluid within a 3D microchannel.

September 30, 2020Physical Review LettersOpen Access

Flow States and Transitions of an Active Nematic in a Three-Dimensional Channel

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This research aims to understand flow transitions in an active nematic fluid within a 3D microchannel.
Utilized active nematohydrodynamics to analyze fluid flow in a 3D microchannel.
Investigated the impact of channel aspect ratio on net flow and flow alignment.
Observed transitions between active turbulence and net flow regimes.
Demonstrated net flow is possible only with flow aligning active nematics.
Found that the emergence of net flow correlates with the channel's aspect ratio.
Identified that hydrodynamic screening from channel walls facilitates vortex roll formation.

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Randomized trial investigates flow transitions in active nematic fluids, suggesting channel design impacts flow performance.

Chandragiri et al. (2020) studied this question.

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