Mixing of non-Newtonian fluids in time-periodic cavity flows

Fluid mixing in two- and three-dimensional timeperiodiccavity flows as a function of rheological fluid parameters is studied. Computational methods are applied to obtain accurate descriptions of the velocity fields, which form the basis of the mixing analysis. In addition to some classical techniques, like Poincaré maps and the analysis of periodic points, a recently developed mapping method is used to determine mixing efficiency over a wide range of different flow parameters