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Titolo:
3-DIMENSIONAL SINGLE-MODE RAYLEIGH-TAYLOR EXPERIMENTS ON NOVA
Autore:
MARINAK MM; REMINGTON BA; WEBER SV; TIPTON RE; HAAN SW; BUDIL KS; LANDEN OL; KILKENNY JD; WALLACE R;
Indirizzi:
LAWRENCE LIVERMORE NATL LAB LIVERMORE CA 94551
Titolo Testata:
Physical review letters
fascicolo: 20, volume: 75, anno: 1995,
pagine: 3677 - 3680
SICI:
0031-9007(1995)75:20<3677:3SREON>2.0.ZU;2-L
Fonte:
ISI
Lingua:
ENG
Soggetto:
LARGE GROWTH; INSTABILITY; LASER; FUSION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
32
Recensione:
Indirizzi per estratti:
Citazione:
M.M. Marinak et al., "3-DIMENSIONAL SINGLE-MODE RAYLEIGH-TAYLOR EXPERIMENTS ON NOVA", Physical review letters, 75(20), 1995, pp. 3677-3680

Abstract

The effect of perturbation shape on the growth and saturation of the Rayleigh-Taylor (RT) instability has been measured on brominated polystyrene foils driven by x rays. We compare RT growth of 3D square (k(x)= k(y)) and 2D (k = k(x)) perturbations having the same total wave number and initial amplitude on foils of similar thicknesses acceleratedwith similar drives. The 3D mode is found to saturate later at a larger amplitude. During the nonlinear phase it evolves into narrow spikesjoined by spike sheets surrounding wide bubbles, which continue to broaden. Differences in the evolution of the perturbations due to 3D shape effects are in quantitative agreement with our simulation results.

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Documento generato il 22/09/20 alle ore 15:42:42