Circular hydraulic jump in generalized-Newtonian fluids

Details Circular hydraulic jump in generalized-Newtonian fluids Circular hydraulic jump in generalized-Newtonian fluids

2008-09-12

arxiv.org/abs/0809.2231v3

Physics

Fluid Dynamics

4 pages, 3 figures, added references, corrected typos

Scientific paper

We carry out an analytical study of laminar circular hydraulic jumps, in generalized-Newtonian fluids obeying the two-parametric power-law model of Ostwald-de Waele. Under the boundary-layer approximation we obtained exact expressions determining the flow, an implicit relation for the jump radius is derived. Corresponding results for Newtonian fluids can be retrieved as a limiting case for the flow behavior index n=1, predictions are made for fluids deviating from Newtonian behavior.

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