259 citations · 508 across the 12 of their papers we have counts for
13 papers
Anomalous Transport of Elongated Particles in Oscillatory Vortical Flows
Shiyuan Hu, Xiuyuan Yang, Nan Luo +2
We investigate the transport dynamics of elongated particles in cellular vortical flows that undergo spatial oscillations over time. Experimental flow visualizations reveal mixed f…
Enhanced clamshell swimming with asymmetric beating at low Reynolds number
Shiyuan Hu, Jun Zhang, Michael J. Shelley
A single flexible filament can be actuated to escape from the scallop theorem and generate net propulsion at low Reynolds number. In this work, we study the dynamics of a simple bo…
Lévy Walks and Path Chaos in the Dispersal of Elongated Structures Moving across Cellular Vortical Flows
Shi-Yuan Hu, Jun-Jun Chu, Michael J. Shelley +1
In cellular vortical flows, namely arrays of counter-rotating vortices, short but flexible filaments can show simple random walks through their stretch-coil interactions with flow…
Metallic Microswimmers Driven up the Wall by Gravity
Quentin Brosseau, Florencio Balboa Usabiaga, Enkeleida Lushi +5
As a natural and functional behavior, various microorganisms exhibit gravitaxis by orienting and swimming upwards against gravity. Swimming autophoretic nanomotors described herein…
Relating microswimmer synthesis to rheotactic tunability
Quentin Brosseau, Florencio Balboa Usabiaga, Enkeleida Lushi +5
We explore the behavior of micron-scale autophoretic Janus (Au/Pt) rods, having various Au/Pt length ratios, swimming near a wall in an imposed background flow. We find that their…
Guiding microscale swimmers using teardrop-shaped posts
Megan S. Davies Wykes, Xiao Zhong, Jiajun Tong +6
The swimming direction of biological or artificial microscale swimmers tends to be randomised over long time-scales by thermal fluctuations. Bacteria use various strategies to bias…