Abstract
In this paper the interaction between vortex filaments and vortex rings and the deformation of vortex rings near the two-dimensional stagnation point are simulated by a three-dimensional vortex method (Shirayama etal. 1985, Leonard 1985). The two problems are respectively concerned with the effect of free-stream turbulence on turbulent plane mixing layers (Pui & Gartshore 1979) and the production of turbulence by the vortex stretching near saddles associated with large-scale coherent structures(Cantwell & Coles 1983, Kiya & Matsumura 1985). We assume that the first step to understand the free-stream turbulence effects is to study the interaction between a vortex ring and a vortex filament and that the process of deformation of a vortex ring gives us a clue to understand physical processes occurring near the saddles.
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References
Cantwell, B. & Coles, D. 1983 J. Fluid Mech. 136, 321.
Kiya, M. & Matsumura, M. 1985 Bull. Jsme, 28, 1054.
Leonard, A. 1985 Ann. Rev. Fluid Mech. 17, 523.
Pui, N. K. & Gartshore, I. S. 1979 J. Fluid Mech. 91, 111.
Shirayama, S., Kuwahara, K. & Mendez, R. 1985 AIAA Paper 85–1488.
Suzuki, Y., Kiya, M. & Takahashi, T. 1986 The 3rd Asian Cong. Fluid Mech., Tokyo (to be presented).
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© 1986 Springer-Verlag Berlin, Heidelberg
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Kiya, M., Sato, T. (1986). A Vortex Ring Interacting with a Vortex Filament and its Deformation Near the Two-Dimensional Stagnation Point. In: Kuwahara, K., Mendez, R., Orszag, S.A. (eds) Supercomputers and Fluid Dynamics. Lecture Notes in Engineering, vol 24. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-82908-6_5
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DOI: https://doi.org/10.1007/978-3-642-82908-6_5
Publisher Name: Springer, Berlin, Heidelberg
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