DTIC ADA1049807: On Vortex Breakdown and Instability pdf

DTIC ADA1049807: On Vortex Breakdown and Instability

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Description of the Book:

A literature survey on the vortex breakdown phenomenon is presented. Several theoretical and numerical models which have been proposed and applied to explain the experimental observations concerning vortex bursting are reviewed. Required parameters to perform the related stability analysis have been identified. Appropriate criteria where possible are cited to assist engineers in estimating occurrence of vortex bursting. A numerical scheme to compute and verify some of the results for incompressible inviscid unstable modes is programmed on the computer at WPAFB. It is suggested that the influence of adverse pressure gradient on the vortex breakdown be investigated in detail and results thus obtained be compared with experiments under appropriate conditions. (Author

• Creator/s: Defense Technical Information Center
• Date: 3/1/1981
• Year: 1981
• Book Topics/Themes: DTIC Archive, Singh, Shiva N, SOUTHEASTERN CENTER FOR ELECTRICAL ENGINEERING EDUCATION INC ST CLOUD FL, *LITERATURE SURVEYS, *VORTICES, *DELTA WINGS, MATHEMATICAL MODELS, AERODYNAMIC STABILITY, INVISCID FLOW, INCOMPRESSIBLE FLOW

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