Bera, Rajendra K (1990) Do inviscid vortex sheets roll-up? Technical Report. National Aeronautical Laboratory, Bangalore, India.
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Abstract
The Betz conjecture, its extensions and applications, regarding the final rolled-up structure of a vortex sheet in the absence of viscous effects is reeamined. It is argued that the conjecture, and consequently, its extensions and applications are theoretically incorrect. A plausible explanation is provided as to why, inspite of its incorrectness, the results correlate reasonably well with flight experiments'on wakes behind aircraft wings.13;
| Item Type: | Proj.Doc/Technical Report (Technical Report) |
|---|---|
| Uncontrolled Keywords: | Vortex sheet;Wing wake roll-up;Inviscid flow;Potential flow |
| Subjects: | ENGINEERING > Fluid Mechanics and Thermodynamics |
| Division/Department: | Computational and Theoretical Fluid Dynamics Division |
| Depositing User: | Deputy Head Poornima Narayana |
| Date Deposited: | 30 Aug 2006 |
| Last Modified: | 24 May 2010 09:47 |
| URI: | http://nal-ir.nal.res.in/id/eprint/2354 |
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