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Asymptotics of slow flow of very small exponent power-law shear-thinning fluids in a wedge

Brewster, M. E., Chapman, S. J., Fitt, A. D. and Please, C. P. (1995) Asymptotics of slow flow of very small exponent power-law shear-thinning fluids in a wedge European Journal of Applied Mathematics, 6, (6), pp. 559-571. (doi:10.1017/S0956792500002060).

Record type: Article


The incompressible slow viscous flow of a power-law shear-thinning fluid in a wedge-shaped region is considered in the specific instance where the stress is a very small power of the strain rate. Asymptotic analysis is used to determine the structure of similarity solutions. The flow is shown to possess an outer region with boundary layers at the walls. The boundary layers have an intricate structure consisting of a transition layer 0(xs025B) adjoining an inner layer O(xs025Blnxs025B), which further adjoins an inner-inner layer 0(xs025B) next to the wall. Explicit solutions are found in all the regions and the existence of ‘dead zones’ in the flow is discussed.

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Published date: 1995


Local EPrints ID: 146637
ISSN: 0956-7925
PURE UUID: 75ff8537-a3b6-42f6-ab90-6e8cd38dfbc7

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Date deposited: 20 Jul 2010 15:57
Last modified: 18 Jul 2017 23:04

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Author: M. E. Brewster
Author: S. J. Chapman
Author: A. D. Fitt
Author: C. P. Please

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