Initiation And Criterion Of Axisymmetric Vortex Breakdown
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The Bubble Concept of Axisymmetric Vortex Breakdown with and Without Obstacles in the Vortex Core
Author | : Hans J. Lugt |
Publisher | : |
Total Pages | : 35 |
Release | : 1988 |
Genre | : |
ISBN | : |
There is now sufficient evidence that axisymmetric recirculation zones in the form of 'bubbles' on the axis of rotation of a vortex can be steady-state and stable. It appears also that the majority of researchers accept these bubbles as a form or a part of vortex breakdown. However, a gray area with regard to the definition of vortex breakdown exists when no stagnation point at the axis of rotation occurs. To use the appearance of such a stagnation point as a criterion for vortex breakdown might be too restrictive. The situation becomes even more aggravated when an obstacle is placed on the axis of rotation. Are recirculation (or separation) regions in the front and rear of the obstacle indications of vortex breakdown or of Taylor-Proudman columns? This report addresses some of the problems in context with vortex control. Keyword: Vortex control. (edc).
Axisymmetric Vortex Breakdown
Author | : G. L. Brown |
Publisher | : |
Total Pages | : 20 |
Release | : 1988 |
Genre | : Navier-Stokes equations |
ISBN | : |
A Study of the Mechanisms of Axisymmetric Vortex Breakdown
Author | : David Louis Darmofal |
Publisher | : |
Total Pages | : 304 |
Release | : 1994 |
Genre | : Vortex-motion |
ISBN | : |