Journal
APPLIED PHYSICS LETTERS
Volume 94, Issue 19, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3123165
Keywords
bubbles; electrohydrodynamics; flow simulation; jets; numerical analysis; oscillations; wetting
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Funding
- Korean Government (MEST) [R0A-2007-000-20098-0]
- Korea Science and Engineering Foundation
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We developed a method to actuate oscillation of a sessile bubble in a fluid to produce steady streaming within the fluid. This method is based on time-periodic control of the wettability of the bubble by electrowetting. Jet velocity is proportional to oscillation amplitude and is greatest at natural oscillation frequencies. Analytical and numerical analyses indicate that the jet is produced by steady streaming in the Stokes layer.
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