Nonlinear mixing behavior of the three-dimensional Rayleigh-Taylor instability at a decelerating interface

R. P. Drake; D. R. Leibrandt; E. C. Harding; C. C. Kuranz; M. A. Blackburn; H. F. Robey; B. A. Remington; M. J. Edwards; A. R. Miles; T. S. Perry; R. J. Wallace; H. Louis; J. P. Knauer; D. Arnett

doi:10.1063/1.1651492

Nonlinear mixing behavior of the three-dimensional Rayleigh-Taylor instability at a decelerating interface

R. P. Drake, D. R. Leibrandt, E. C. Harding, C. C. Kuranz, M. A. Blackburn, H. F. Robey, B. A. Remington, M. J. Edwards, A. R. Miles, T. S. Perry, R. J. Wallace, H. Louis, J. P. Knauer, D. Arnett

Steward Observatory

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39 Scopus citations

Abstract

The evolution of the Rayleigh-Taylor (RT) instability from intentionally three-dimensional (3D) initial conditions at an embedded, decelerating interface in a high-Reynolds number flow was discussed. The study was carried out by using ∼ 5 kJ of laser energy to produce a blast wave shocked and then decelerated the perturbed interface between the first material and lower-density C foam. It was found that the interface caused the formation of a decelerating interface with an Atwood number∼ 2/3, producing a long term positive growth rate for the RT instability. The results show that the RT spikes appear to overtake the shock waves, moving at large fraction of the predeceleration.

Original language	English (US)
Pages (from-to)	2829-2837
Number of pages	9
Journal	Physics of Plasmas
Volume	11
Issue number	5 PART 2
DOIs	https://doi.org/10.1063/1.1651492
State	Published - May 2004

ASJC Scopus subject areas

Condensed Matter Physics

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Drake, R. P., Leibrandt, D. R., Harding, E. C., Kuranz, C. C., Blackburn, M. A., Robey, H. F., Remington, B. A., Edwards, M. J., Miles, A. R., Perry, T. S., Wallace, R. J., Louis, H., Knauer, J. P., & Arnett, D. (2004). Nonlinear mixing behavior of the three-dimensional Rayleigh-Taylor instability at a decelerating interface. Physics of Plasmas, 11(5 PART 2), 2829-2837. https://doi.org/10.1063/1.1651492

Drake, RP, Leibrandt, DR, Harding, EC, Kuranz, CC, Blackburn, MA, Robey, HF, Remington, BA, Edwards, MJ, Miles, AR, Perry, TS, Wallace, RJ, Louis, H, Knauer, JP & Arnett, D 2004, 'Nonlinear mixing behavior of the three-dimensional Rayleigh-Taylor instability at a decelerating interface', Physics of Plasmas, vol. 11, no. 5 PART 2, pp. 2829-2837. https://doi.org/10.1063/1.1651492

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abstract = "The evolution of the Rayleigh-Taylor (RT) instability from intentionally three-dimensional (3D) initial conditions at an embedded, decelerating interface in a high-Reynolds number flow was discussed. The study was carried out by using ∼ 5 kJ of laser energy to produce a blast wave shocked and then decelerated the perturbed interface between the first material and lower-density C foam. It was found that the interface caused the formation of a decelerating interface with an Atwood number∼ 2/3, producing a long term positive growth rate for the RT instability. The results show that the RT spikes appear to overtake the shock waves, moving at large fraction of the predeceleration.",

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AU - Harding, E. C.

AU - Kuranz, C. C.

AU - Blackburn, M. A.

AU - Robey, H. F.

AU - Remington, B. A.

AU - Edwards, M. J.

AU - Miles, A. R.

AU - Perry, T. S.

AU - Wallace, R. J.

AU - Louis, H.

AU - Knauer, J. P.

AU - Arnett, D.

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AB - The evolution of the Rayleigh-Taylor (RT) instability from intentionally three-dimensional (3D) initial conditions at an embedded, decelerating interface in a high-Reynolds number flow was discussed. The study was carried out by using ∼ 5 kJ of laser energy to produce a blast wave shocked and then decelerated the perturbed interface between the first material and lower-density C foam. It was found that the interface caused the formation of a decelerating interface with an Atwood number∼ 2/3, producing a long term positive growth rate for the RT instability. The results show that the RT spikes appear to overtake the shock waves, moving at large fraction of the predeceleration.

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Nonlinear mixing behavior of the three-dimensional Rayleigh-Taylor instability at a decelerating interface

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