The effect of slowly varying gap width on Dean vortices

descriptionPublicationkeyboard_double_arrow_right Article 01 Dec 1993 English Publisher:AIP PublishingJournal:Physics of Fluids A: Fluid Dynamics, volume 5, pages 3,175-3,180 (issn: 0899-8213,

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Authors: Eagles, P. M.;

doi: 10.1063/1.858674

The effect of slowly varying gap width on Dean vortices

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Abstract

Taylor–Dean vortices are considered in channels whose thickness and curvature vary slowly on a scale 1/δ. The effect of divergence of the channel is shown to be destabilizing and of convergence to be stabilizing. Results for neutral curves are presented for a class of particular channels, and a method of computing such curves for more general channels is given.

Related Organizations

City St George’s, University of London
United Kingdom

Keywords

Hydrodynamic stability, curvature, neutral curves, convergence of channel, divergence of channel

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