Numerical study of plasma evolution X-pinches in two- and three-dimensional geometry using a MHD code, STHENO View Full Text


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Article Info

DATE

2021-10-25

AUTHORS

Sang-Min Byun, Yong-Su Na, Kyoung-Jae Chung, Deok-Kyu Kim, Sangjun Lee, Chanyoung Lee, Jaegon Lee, Jonghyeon Ryu

ABSTRACT

This paper deals with a newly developed resistive magnetohydrodynamic code, STHENO, for X-pinch analyses on 3D (x, y, z) and 2D (r, z) geometry. The single-fluid two-temperature model is adopted by assuming collisional plasmas. The thermodynamic parameters for various wire materials are employed from the corrected Thomas–Fermi model with the ionization potential in STHENO. The 2D results, which is initially assumed the hollow conical structure for X-pinch, demonstrates the development of the micron Z-pinch and the plasma instability of m = 0. These results are compared with the experiment in Seoul National University, and show a good agreement in the time evolution of the radiation power. The 3D result with STHENO is also found to capture the magnetic field reversal structure and the jet formation. More... »

PAGES

818-827

References to SciGraph publications

  • 2015-04-21. X-pinch. Part I in PLASMA PHYSICS REPORTS
  • 1999. Physics of High-Density Z-Pinch Plasmas in NONE
  • 2015-06-16. X-pinch. Part II in PLASMA PHYSICS REPORTS
  • Identifiers

    URI

    http://scigraph.springernature.com/pub.10.1007/s40042-021-00289-7

    DOI

    http://dx.doi.org/10.1007/s40042-021-00289-7

    DIMENSIONS

    https://app.dimensions.ai/details/publication/pub.1142167359


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