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Small reynolds number flow between eccentric rotating cylinders with a permeable sleeve

Published online by Cambridge University Press:  17 February 2009

L. D. Hird and
P. F. Siew
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Abstract

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Two eccentric rotating cylinders together with a permeable membrane surrounding the inner cylinder are used to model the flow around a modified viscometer. A perturbation method is used to solve for the flow between the membrane and the outer cylinder; the flow between the inner rotor and the membrane is assumed to be governed by Stoke's equation, and the two flow regimes are coupled by the through-flow across the membrane. For moderate values of Reynolds number and eccentricity, the permeability of the membrane plays a negligible role, and the flow through the membrane is found to be eccentricity dependent. High eccentricities result in the formation of eddies which, upon increasing the Reynolds number, move in a direction opposite to that of the rotation of the outer bowl.

Information

Type
Research Article
Information
The ANZIAM Journal , Volume 38 , Issue 2 , October 1996, pp. 255 - 273
Copyright
Copyright © Australian Mathematical Society 1996

References

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