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Radial flow of two immiscible fluids: analytical solutions and bifurcations

Published online by Cambridge University Press:  27 March 2003

VAKHTANG PUTKARADZE
Affiliation:
Department of Mathematics and Statistics, University of New Mexico, Albuquerque, NM 87131-1141, USAputkarad@math.unm.edu

Abstract

We derive a novel set of analytical solutions of the Navier–Stokes equations describing stationary plane motion of two immiscible fluids emitted from a two-dimensional point source. The solutions are two-fluid generalizations of Jeffery–Hamel flows. The presence of an interface yields an unexpectedly rich and complex structure of solutions. Each set of physical parameter values admits a hierarchy of three different types of solution. The solutions bifurcate when parameters of the flow change sufficiently, with each type of solution having a different bifurcation diagram.

Type
Research Article
Copyright
© 2003 Cambridge University Press

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