Journal of Japan Society of Fluid Mechanics
Online ISSN : 2185-4912
Print ISSN : 0286-3154
ISSN-L : 0286-3154
Corner flow: a classical problem with a new twist
H.K. MOFFATT
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2006 Volume 25 Issue 6 Pages 521-524

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Abstract
An informal review is presented of the problem of viscous flow in a corner between two intersecting plane rigid boundaries, with particular attention to the behaviour (i) when the stirring that generates the flow is remote and sinusoidal, and (ii) when the stirring is provoked by torsional oscillation of the fluid domain about the line of intersection of the twoboundaries. In each case, weak inertial effects lead to a lag of the response of the fluid behind the forcing mechanism.Conditions determining the existence and evolution of a geometric sequence of eddies in the corner are determined, andthe manner in which the associated streamline pattern reverses during each half-period of the flow is described. Fulldetails may be found in the recent paper of Branicki & Moffatt (2006).
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