NDLI: How to Maximize the Radius of a Wire-Array<tex>$Z$</tex>-Pinch for the 100-ns to 1-<tex>$muhboxs$</tex>Implosion Time Scales

Content Provider	IEEE Xplore Digital Library
Author	Hamann, F. Calamy, H. Mangeant, C. Lassalle, F. Bayol, F.
Copyright Year	1973
Abstract	The Centre d'Etudes de Gramat is now studying long implosion time (about 1 mus) plasma radiation sources. Z-pinches are routinely used by other laboratories in the 100-ns regime with the well-known experimental result, in which an about 2-cm initial radius should not be exceeded to preserve the quality of the implosion for a single array. In a many hundreds of nanoseconds implosion time scale, the question is raised if a bigger radius could be shot. This paper discusses a theoretical approach, which shows that a 7-cm radius is acceptable in the 1-mus regime. It is based on an analysis of magneto-Rayleigh-Taylor instabilities of the accelerating sheath in the r-z plane. It will be demonstrated that all the spatial features of the implosion are determined by the magnetic skin depth, and so essentially depend on the square root of the implosion time. Experiments were carried out with SPHINX generator at the 4-MA level with 800-ns implosion time and confirmed these results
Sponsorship	IEEE Nuclear and Plasma Sciences Society
Starting Page	2263
Ending Page	2267
Page Count	5
File Size	202286
File Format	PDF
ISSN	00933813
Volume Number	34
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-10-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Acceleration Wire Plasma accelerators Plasma sheaths Magnetic materials Skin Plasma density Dissolved gas analysis Plasma sources Laboratories Rayleigh–Taylor instabilities scaling laws wire array
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Condensed Matter Physics

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