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Physics of Plasmas / Volume 19 / Issue 2 / ARTICLES / Basic Plasma Phenomena, Waves, Instabilities

Phys. Plasmas 19, 022109 (2012); http://dx.doi.org/10.1063/1.3685726 (5 pages)

Pinching of ablation streams via magnetic field curvature in wire-array Z-pinches

I. C. Blesener, J. B. Greenly, B. R. Kusse, K. S. Blesener, C. E. Seyler, and D. A. Hammer

Laboratory of Plasma Studies, Cornell University, 439 Rhodes Hall, Ithaca, New York 14853, USA

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(Received 26 September 2011; accepted 18 January 2012; published online 21 February 2012)

In this paper, the shapes of the ablation streams in non-imploding cylindrical wire-array Z-pinches are investigated. Experimental observations using axial X pinch imaging show an azimuthal pinching of the streams that appear to depend on the topology of the global magnetic field. With fewer wires and increased interwire spacing, the radial component of the global field is increased; resulting in a stronger pinching of the streams. Computer simulations are used to model the magnetic field development and show that the sparser array has a significantly stronger azimuthal math×math force.

© 2012 American Institute of Physics

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KEYWORDS, PACS, and IPC

Keywords

plasma diagnostics, plasma magnetohydrodynamics, plasma simulation, Z pinch

PACS

  • 52.59.Qy

    Wire array Z-pinches

  • 52.58.Lq

    Z-pinches, plasma focus, and other pinch devices

  • 52.30.Cv

    Magnetohydrodynamics (including electron magnetohydrodynamics)

  • 52.65.Kj

    Magnetohydrodynamic and fluid equation

  • 52.70.La

    X-ray and γ-ray measurements

International Patent Classification (IPC)

  • H05H1/02

    Arrangements for confining plasma by electric or magnetic fields; Arrangements for heating plasma

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3685726

PUBLICATION DATA

ISSN

1070-664X (print)  
1089-7674 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

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