Particle drift model for Z-pinch-driven magneto-Rayleigh-Taylor instability

Autor:	Xiao Dong Ren, Kun Lun Wang, Jia Kun Dan, Qiang Xu, Xian Bin Huang
Rok vydání:	2016
Předmět:	Physics Mechanics Condensed Matter Physics Gravitational acceleration Polarization (waves) Curvature 01 natural sciences Instability 010305 fluids & plasmas Two-stream instability Z-pinch 0103 physical sciences Pitch angle Rayleigh–Taylor instability 010306 general physics
Zdroj:	Physics of Plasmas. 23:092707
ISSN:	1089-7674 1070-664X
Popis:	A theoretical model of Z-pinch driven magneto-Rayleigh-Taylor instability is proposed based on the particle drift point of view, which can explain the helical instability structure observed in premagnetized imploding liner experiments. It is demonstrated that all possible drift motions, including polarization drift, gradient drift, and curvature drift, which can lead to charge separations, each will attribute to an effective gravity acceleration. Theoretical predictions given by this model are dramatically different from those given by previous theories which have been readily recovered in the theory presented here as a limiting case. The theory shows qualitative agreement with available experimental data of the pitch angle and provides certain predictions to be verified.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::1b762dd7c5e80972dd59c5180c04e5d7 https://doi.org/10.1063/1.4962522 Zobrazit plný text záznamu