Orientation and dynamics of a vesicle in tank-treading motion in shear flow
Vasiliy Kantsler1, Victor Steinberg
1Department of Physics of Complex Systems, Weizmann Institute of Science, Rehovot, 76100 Israel.
Abstract:
Experimental results on mean inclination angle and its fluctuation due to thermal noise in tank-treading motion of a vesicle in shear flow as a function of vesicle excess area, normalized shear rate, viscosity, and viscosity contrast between inner and outer fluids, , are presented. Good quantitative agreement with theory made for was found. At the dependence is altered significantly. Dependence of the vesicle shape on shear rate is consistent with theory. A tank-treading velocity of the vesicle membrane is found to be a periodic function close to that predicted by theory.
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