Abstract
This paper is devoted to experimental and analytical investigations concerning a one dimensionnal assembly of coupled oscillators, namely Bénard-Von Karman vortex wakes. The latter are shed by parallel identical and equidistant cylinders placed side by side in a row perpendicular to a uniform flow. Our experimental facility consists of a horizontal water tunnel with a section of 20 mm high and 128 mm wide. Hach cylinder being 4 mm diameter and 20 mm length, the physical situation permits us to assume a ID dynamics along the row axis. Quantitative transversal velocity measurements are obtained by Ultrasound Doppler Anemometry (for details on the method, see [1]) performed on a line parallel to the cylinders row. Thus, we obtain spatiotemporal profiles of the wakes oscillations.
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References
Takeda, Y., Fischer, W. E., Sakakibara, J. and Ohmura, K. (1993) Experimental observation of the quasiperiodic modes in a rotating Couette system, Phys. Rev. E 47 4130
Cardoso, O., Willaime, H., Tabeling, P. (1990) Chaos in a linear array of vortices, Phys. Rev. Lett. 65 1869
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© 1996 Kluwer Academic Publishers
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Ravoux, J.F., Legal, P., Chauve, P.M., Takeda, Y. (1996). Dynamics of a Chain of Coupled Wakes. In: Gavrilakis, S., Machiels, L., Monkewitz, P.A. (eds) Advances in Turbulence VI. Fluid Mechanics and its Applications, vol 36. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-0297-8_116
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DOI: https://doi.org/10.1007/978-94-009-0297-8_116
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-010-6618-1
Online ISBN: 978-94-009-0297-8
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