Experimental characterization of the instability of the vortex rings. Part II: Non-linear phase
β Scribed by Antoine Dazin; Patrick Dupont; Michel Stanislas
- Book ID
- 106036920
- Publisher
- Springer
- Year
- 2006
- Tongue
- English
- Weight
- 717 KB
- Volume
- 41
- Category
- Article
- ISSN
- 0723-4864
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π SIMILAR VOLUMES
The present work extends the study of interactions of two coaxial vortex rings of thin cores with azimuthal instability to wavenumber range 6)m)11. Unstable modes are found at 6)m)10. Stable mode is found only at m"11. The present range of unstable wavenumbers m"1, 2, 5 to 10 of the two interacting
The experimental work has been undertaken on the washing complex dynamics to verify the theoretical approach from Part I. The measured time histories were analyzed by using spectral and phase-space analyses. The correlation dimension and the largest Lyapunov exponent were estimated on a reconstructe