2 papers
physics.flu-dyn2020
From diffusive mass transfer in Stokes flow to low Reynolds number Marangoni boats
Hendrik Ender, Jan Kierfeld
We present a theory for the self-propulsion of symmetric, half spherical Marangoni boats (soap or camphor boats) at low Reynolds numbers. Propulsion is generated by release (diffus…
cond-mat.soft2020
Surfactant-loaded capsules as Marangoni microswimmers at the air-water interface: Symmetry breaking and spontaneous propulsion by surfactant diffusion and advection
Hendrik Ender, Ann-Kathrin Froin, Heinz Rehage +1
We present a realization of a fast interfacial Marangoni microswimmer by a half-spherical alginate capsule at the air-water interface, which diffusively releases water-soluble spre…