Tendency of spherically imploding plasma liners formed by merging plasma jets to evolve toward spherical symmetry.
作者： J. T. Cassibry , M. Stanic , S. C. Hsu , F. D. Witherspoon , S. I. Abarzhi
DOI: 10.1063/1.4714606
关键词: Jet (fluid) 、 Smoothed-particle hydrodynamics 、 Physics 、 Plasma 、 Atomic physics 、 Atmospheric-pressure plasma 、 Instability 、 Rayleigh–Taylor instability 、 Implosion 、 Circular symmetry 、 Mechanics
摘要: We have performed three-dimensional (3D) simulations using smoothed particle hydrodynamics (SPH) in order to study the effects of discrete plasma jets on processes liner formation, implosion vacuum, and expansion. It was found that pressure histories inner portion from 3D SPH with a uniform 30 were qualitatively quantitatively similar peak compression through complete stagnation liner. The first benchmarked against results one-dimensional radiation-hydrodynamic [T. J. Awe et al., Phys. Plasmas 18, 072705 (2011)]. Two-dimensional plots field show jet case evolves towards profile is almost indistinguishable liner, thus indicating non-uniformities due are smeared out by late stages implosion. formation vacuum shown be robust Rayleigh-Taylor instability growth. Finally, interparticle mixing for imploding investigated. rate very small until after simulations.
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