Instability localized at the inner surface of an imploding spherical shell

Conference · Sat Jan 01 00:00:00 EST 1983

OSTI ID:6084225

Han, S J

It is shown that in an imploding spherical shell the surface instabilities are of two different types. The first, which occurs at the outer surfaces, is the Rayleigh-Taylor instability. The second instability occurs at the inner surface. This latter instability is not as disruptive as R-T modes, but it has three basic properties which differ considerably from those of the R-T instability: (1) it is oscillatory at early times; (2) it grows faster in the long wavelength modes; (3) it depends on the equation of state. It is further shown that this new instability is driven by amplified sound waves in the shell.

• Research Organization: Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
• DOE Contract Number: W-7405-ENG-36
• OSTI ID: 6084225
• Report Number(s): LA-UR-83-1087; CONF-830463-1; ON: DE83011167
• Resource Relation: Conference: American Physical Society spring meeting, Balitmore, MD, USA, 18 Apr 1983
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
SHELLS
IMPLOSIONS
EQUATIONS OF STATE
INSTABILITY
RAYLEIGH-TAYLOR INSTABILITY
SOUND WAVES
SPHERICAL CONFIGURATION
CONFIGURATION
EQUATIONS
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