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Controlled transport of captive bubbles on plastrons
So Hung Huynh1, Chun Yat Lau, Brandon Huey-Ping Cheong
1Laboratory for Optics and Applied Mechanics, Department of Mechanical & Aerospace Engineering, Monash University, Clayton VIC3800, Australia. engngtw@gmail.com.
Abstract:
Captive bubbles that reside on superhydrophobic surfaces with plastrons move uncontrollably when tilted. A system based on creating moveable local apexes on flexible superhydrophobic foils is shown to allow controlled transport. Simulations done reveal that specific bubble transport speeds are needed to form concentration gradients suited for aerotaxis study and sensing.
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