Abstract
We study the quasi-periodic turbulent bursting of a laboratory produced isolated vortex immersed in laminar flow. We analyze the experimentally measured flow field using orthogonal wavelets to observe the time evolution of the bursting. The discrete wavelet transform is used to separate the flow field into a coherent component, capturing the dynamics and statistics of the vortex during bursting, and an incoherent component, which is structureless and exhibits a different statistical behavior.
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Ruppert-Felsot, J.E., Farge, M., Petitjeans, P. (2008). Wavelet Analysis of Vortex Breakdown. In: Kaneda, Y. (eds) IUTAM Symposium on Computational Physics and New Perspectives in Turbulence. IUTAM Bookseries, vol 4. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-6472-2_35
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DOI: https://doi.org/10.1007/978-1-4020-6472-2_35
Publisher Name: Springer, Dordrecht
Print ISBN: 978-1-4020-6471-5
Online ISBN: 978-1-4020-6472-2
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