Absolute instabilities and self-sustained oscillations in the wake of circular cylinders
- 26 October 1987
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 59 (17) , 1914-1917
- https://doi.org/10.1103/physrevlett.59.1914
Abstract
The Karman vortex street in the wake of a circular cylinder is shown to be due to an absolute instability of the flow in the near wake. A new means of instability analysis is used, involving mappings from the complex k plane to the complex ω plane.Keywords
This publication has 6 references indexed in Scilit:
- On the formation of vortex streets behind stationary cylindersJournal of Fluid Mechanics, 1986
- Perturbed Free Shear LayersAnnual Review of Fluid Mechanics, 1984
- Vortex-Induced Oscillations: A Selective ReviewJournal of Applied Mechanics, 1979
- The formation of vortex streetsJournal of Fluid Mechanics, 1962
- Experiments on the flow past a circular cylinder at very high Reynolds numberJournal of Fluid Mechanics, 1961
- Hot-wire investigation of the wake behind cylinders at low Reynolds numbersProceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences, 1949