Marangoni circulation by UV light modulation on sessile drop for particle agglomeration

An analytical solution of a biharmonic equation is presented in axisymmetric toroidal coordinates for Stokes flow due to surface tension gradient on the free surface of sessile drops. The stream function profiles exhibit clockwise and counter-clockwise toroidal volumes. The ring or dot formed by the...

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Veröffentlicht in:	Journal of fluid mechanics 2019-08, Vol.873, p.72-88
Hauptverfasser:	Li, Tianyi, Kar, Aravinda, Kumar, Ranganathan
Format:	Artikel
Sprache:	eng
Schlagworte:	Axisymmetric flow Biharmonic equations Contact angle Corner flow Eddies Exact solutions Fluid dynamics Fluid flow Fluid mechanics Free surfaces JFM Papers Lasers Light Light intensity Light modulation Locations (working) Luminous intensity Particle deposition Profiles Ring spot Stokes flow Stream functions Streamlines Substrates Surface tension Surfactants Ultraviolet radiation Velocity
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