Moffatt vortices induced by the motion of a contact line
Kyrkinis, L. & Davis, S.H. (2014) Moffatt vortices induced by the motion of a contact line. Journal of Fluid Mechanics, 746, R3-1---8.
A recent hydrodynamic theory of liquid slippage on a solid substrate (Kirkinis & Davis, Phys. Rev. Lett., vol. 110, 2013, 234503) gives rise to a sequence of eddies (Moffatt vortices) that co-move with a moving contact line (CL) in a liquid wedge. The presence of these vortices is established through secular equations that depend on the dynamic contact angle α and capillary number Ca. The limiting case α→O is associated with the appearance of such vortices in a channel. The vortices are generated by the relative motion of the interfaces, which in turn is due to the motion of the CL. This effect has yet to be observed in experiment.
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|Item Type:||Journal Article|
|Keywords:||capillary flows, contact lines, thin films|
|Divisions:||Current > Schools > School of Mathematical Sciences
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Deposited On:||22 Oct 2015 04:43|
|Last Modified:||22 Oct 2015 04:43|
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