Author(s): P. Nghe, S. M. Fielding, P. Tabeling, and A. Ajdari
Using microparticle image velocimetry, we resolve the spatial structure of the shear-banding flow of a wormlike micellar surfactant solution in a straight microchannel. We reveal an instability of the interface between the shear bands, associated with velocity modulations along the vorticity directi...
[Phys. Rev. Lett. 104, 248303] Published Thu Jun 17, 2010
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