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Full-Text Articles in Applied Mechanics
Marangoni Propulsion Of Active Particles, Saeed Jafari Kang
Marangoni Propulsion Of Active Particles, Saeed Jafari Kang
Dissertations, Master's Theses and Master's Reports
We study the surfing motion of active particles located at a flat liquid-gas interface. The particles create and maintain a surface tension gradient by asymmetrically discharging a surface tension-reducing agent. We employ theory and numerical simulation to investigate the Marangoni propulsion of these active surfers. First, we use the reciprocal theorem to establish a relationship between the propulsion speed and the release of the active chemical. This theoretical relation is utilized to examine the effect of wall confinement and geometry on the Marangoni-driven motion of active particle when the inertial effects are negligible and when the transports of the released …