Long-wave instability of periodic flows at large Reynolds numbers
- 1 October 1987
- journal article
- conference paper
- Published by AIP Publishing in Physics of Fluids
- Vol. 30 (10) , 2984-2986
- https://doi.org/10.1063/1.866076
Abstract
It is shown that simple unidirectional and helical periodic flows are unstable to long-wave perturbations at large Reynolds numbers. Consideration is given to the cases of periodic flow sustained by an applied force and periodic flow freely decaying owing to viscosity.Keywords
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