Physics of Plasmas
Feedback | Help | Exit
Physics of Plasmas
Search:
   
 
 
 
Previous Article
Time-dependent analysis of the resistivity of post-disruption tokamak plasmas
The effect of neutrals on plasma resistivity due to electron-neutral collisions is studied with respect to its effect on tokamak disruptions. The resistivity of the tokamak plasma after the thermal qu...
Next Article
Momentum transfer to rotating magnetized plasma from gun plasma injection
Numerical simulations are carried out to investigate the penetration and momentum coupling of a gun-injected plasma slug into a rotating magnetized plasma. An experiment along these lines is envisione...

Perturbative analysis of the tearing mode saturation

Phys. Plasmas 13, 112512 (2006); doi:10.1063/1.2375036

Published 29 November 2006

You are not logged in to this journal. Log in

F. Militello, R. J. Hastie, and F. Porcelli
Burning Plasma Research Group, Department of Energetics, Politecnico di Torino, 10129 Torino, Italy
The saturation of the tearing mode in a plasma column is investigated in the framework of the resistive magnetohydrodynamics approximation. In particular, a perturbative procedure is adopted to evaluate the structure of the magnetic island in three relevant physical conditions, depending on the model for the evolution of the resistivity, which may be affected by the growth of the mode. In cylindrical geometry, which is well suited to describe a large-aspect-ratio, low-beta tokamak plasma, the magnetic island is asymmetric with respect to the magnetic surface where reconnection occurs. New relations for the saturated island width ws as a function of the relevant features of the equilibrium current density profile, i.e., its gradient and curvature at the reconnecting surface, are obtained. Finally, equivalent relations are also derived in the slab limit. ©2006 American Institute of Physics
History: Received 13 April 2006; accepted 18 August 2006; published 29 November 2006
Permalink: http://link.aip.org/link/?PHPAEN/13/112512/1
BUY THIS ARTICLE   (US$24)
Download PDF (239 kB) View Cart

KEYWORDS and PACS

Keywords
PACS
  • 52.35.Py
    Plasma macroinstabilities (hydromagnetic) e.g., kink, fire-hose, mirror, ballooning, tearing, trapped-particle, flute, Rayleigh-Taylor instabilities, etc
  • 52.55.Tn
    Ideal and resistive plasma MHD modes; kinetic modes
  • 52.30.Cv
    Plasma magnetohydrodynamics including electron magnetohydrodynamics
  • 52.35.Vd
    Magnetic reconnection in plasmas
  • 52.25.Fi
    Plasma transport properties
  • 52.55.Fa
    Tokamaks
  • YEAR: 2006

RELATED DATABASES


To view database links for this article,
you need to log in.
To view database links for this article,
you need to log in.

PUBLICATION DATA

ISSN:
1070-664X (print)   1089-7674 (online)
Publisher:
AIP is a member of CrossRef AIP

REFERENCES (23)
View in Separate Window/Tab
For access to fully linked references, you need to log in. For access to fully linked references, you need to Log in.
  1. H. P. Furth, J. Killeen, and M. N. Rosenbluth, Phys. Fluids 6, 459 (1963).
  2. P. H. Rutherford, Phys. Fluids 16, 1903 (1973).
  3. R. Fitzpatrick, Phys. Plasmas 2, 825 (1995).
  4. C. C. Hegna and J. D. Callen, Phys. Fluids B 4, 1855 (1992).
  5. F. Waelbroeck, J. W. Connor, and H. R. Wilson, Phys. Rev. Lett. 87, 215003 (2001).
  6. M. Ottaviani, F. Porcelli, and D. Grasso, Phys. Rev. Lett. 93, 075001 (2004).
  7. R. B. White, D. A. Monticello, M. N. Rosenbluth, and B. V. Waddell, Phys. Fluids 20, 800 (1977).
  8. D. Biskamp, Nonlinear Magnetohydrodynamics (Cambridge University Press, Cambridge, UK, 1993).
  9. N. Louriero, S. C. Cowley, W. D. Dorland, M. G. Haines, and A. A. Schekochihin, Phys. Rev. Lett. 95, 235003 (2005).
  10. D. F. Escande and M. Ottaviani, Phys. Lett. A 323, 278 (2004).
  11. F. Militello and F. Porcelli, Phys. Plasmas 11, L13 (2004).
  12. A. Thyagaraja, Phys. Fluids 24, 1716 (1981).
  13. L. E. Zakharov, A. I. Smolyakov, and A. A. Subbotin, Sov. J. Plasma Phys. 16, 451 (1990).
  14. A. Pletzer and F. W. Perkins, Phys. Plasmas 6, 1589, (1999).
  15. R. J. Hastie, F. Militello, and F. Porcelli, Phys. Rev. Lett. 95, 065001 (2005).
  16. F. Militello, G. Huysmans, M. Ottaviani, and F. Porcelli, Phys. Plasmas 11, 125 (2004).
  17. G. Bertin, Phys. Rev. A 25, 1786 (1982).
  18. R. D. Hazeltine, P. Helander, and P. Catto, Phys. Plasmas 4, 2920 (1997).
  19. M. Kotschenreuther, R. D. Hazeltine, and P. J. Morrison, Phys. Fluids 28, 294 (1985).
  20. C. C. Hegna, Phys. Plasmas 5, 1767 (1998).
  21. H. Lutjens, J. F. Luciani, and X. Garbet, Plasma Phys. Controlled Fusion 43, A339 (2001).
  22. N. Arcis, D. Escande, and M. Ottaviani, private communication (2005).
  23. D. Biskamp, Phys. Rep. 237, 179 (1994).

CITING ARTICLES
For access to citing articles, you need to log in.
For access to citing articles, you need to Log in.


Copyright © American Institute of Physics