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Title: The evolution of magnetic tower jets in the laboratory

Abstract

The evolution of laboratory produced magnetic jets is followed numerically through three-dimensional, nonideal magnetohydrodynamic simulations. The experiments are designed to study the interaction of a purely toroidal field with an extended plasma background medium. The system is observed to evolve into a structure consisting of an approximately cylindrical magnetic cavity with an embedded magnetically confined jet on its axis. The supersonic expansion produces a shell of swept-up shocked plasma that surrounds and partially confines the magnetic tower. Currents initially flow along the walls of the cavity and in the jet but the development of current-driven instabilities leads to the disruption of the jet and a rearrangement of the field and currents. The top of the cavity breaks up, and a well-collimated, radiatively cooled, 'clumpy' jet emerges from the system.

Authors:
; ; ; ; ; ; ; ; ; ; ; ; ; ;  [1];  [2];  [3];  [2];  [3];  [2] more »;  [4];  [5] « less
  1. Laboratoire, Univers et Theories, Observatoire de Paris et UMR 8102 du CNRS, 92195 Meudon (France) and Blackett Laboratory, Imperial College, London SW7 2BW (United Kingdom)
  2. (United Kingdom)
  3. (United States)
  4. (Ireland)
  5. (France)
Publication Date:
OSTI Identifier:
20975074
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physics of Plasmas; Journal Volume: 14; Journal Issue: 5; Other Information: DOI: 10.1063/1.2436479; (c) 2007 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; CAVITIES; CURRENTS; CYLINDRICAL CONFIGURATION; EXPANSION; INTERACTIONS; MAGNETOHYDRODYNAMICS; PLASMA; PLASMA CONFINEMENT; PLASMA INSTABILITY; PLASMA JETS; PLASMA SIMULATION; SHELLS; SHOCK WAVES; SUPERSONIC FLOW; THREE-DIMENSIONAL CALCULATIONS

Citation Formats

Ciardi, A., Lebedev, S. V., Frank, A., Blackman, E. G., Chittenden, J. P., Jennings, C. J., Ampleford, D. J., Bland, S. N., Bott, S. C., Rapley, J., Hall, G. N., Suzuki-Vidal, F. A., Marocchino, A., Lery, T., Stehle, C., Blackett Laboratory, Imperial College, London SW7 2BW, Department of Physics and Astronomy and Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14627-0171, Blackett Laboratory, Imperial College, London SW7 2BW, Sandia National Laboratory, Albuquerque, New Mexico 87123, Blackett Laboratory, Imperial College, London SW7 2BW, Dublin Institute for Advanced Studies, Dublin 2, and Laboratoire, Univers et Theories, Observatoire de Paris et UMR 8102 du CNRS, 92195 Meudon. The evolution of magnetic tower jets in the laboratory. United States: N. p., 2007. Web. doi:10.1063/1.2436479.
Ciardi, A., Lebedev, S. V., Frank, A., Blackman, E. G., Chittenden, J. P., Jennings, C. J., Ampleford, D. J., Bland, S. N., Bott, S. C., Rapley, J., Hall, G. N., Suzuki-Vidal, F. A., Marocchino, A., Lery, T., Stehle, C., Blackett Laboratory, Imperial College, London SW7 2BW, Department of Physics and Astronomy and Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14627-0171, Blackett Laboratory, Imperial College, London SW7 2BW, Sandia National Laboratory, Albuquerque, New Mexico 87123, Blackett Laboratory, Imperial College, London SW7 2BW, Dublin Institute for Advanced Studies, Dublin 2, & Laboratoire, Univers et Theories, Observatoire de Paris et UMR 8102 du CNRS, 92195 Meudon. The evolution of magnetic tower jets in the laboratory. United States. doi:10.1063/1.2436479.
Ciardi, A., Lebedev, S. V., Frank, A., Blackman, E. G., Chittenden, J. P., Jennings, C. J., Ampleford, D. J., Bland, S. N., Bott, S. C., Rapley, J., Hall, G. N., Suzuki-Vidal, F. A., Marocchino, A., Lery, T., Stehle, C., Blackett Laboratory, Imperial College, London SW7 2BW, Department of Physics and Astronomy and Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14627-0171, Blackett Laboratory, Imperial College, London SW7 2BW, Sandia National Laboratory, Albuquerque, New Mexico 87123, Blackett Laboratory, Imperial College, London SW7 2BW, Dublin Institute for Advanced Studies, Dublin 2, and Laboratoire, Univers et Theories, Observatoire de Paris et UMR 8102 du CNRS, 92195 Meudon. Tue . "The evolution of magnetic tower jets in the laboratory". United States. doi:10.1063/1.2436479.
@article{osti_20975074,
title = {The evolution of magnetic tower jets in the laboratory},
author = {Ciardi, A. and Lebedev, S. V. and Frank, A. and Blackman, E. G. and Chittenden, J. P. and Jennings, C. J. and Ampleford, D. J. and Bland, S. N. and Bott, S. C. and Rapley, J. and Hall, G. N. and Suzuki-Vidal, F. A. and Marocchino, A. and Lery, T. and Stehle, C. and Blackett Laboratory, Imperial College, London SW7 2BW and Department of Physics and Astronomy and Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14627-0171 and Blackett Laboratory, Imperial College, London SW7 2BW and Sandia National Laboratory, Albuquerque, New Mexico 87123 and Blackett Laboratory, Imperial College, London SW7 2BW and Dublin Institute for Advanced Studies, Dublin 2 and Laboratoire, Univers et Theories, Observatoire de Paris et UMR 8102 du CNRS, 92195 Meudon},
abstractNote = {The evolution of laboratory produced magnetic jets is followed numerically through three-dimensional, nonideal magnetohydrodynamic simulations. The experiments are designed to study the interaction of a purely toroidal field with an extended plasma background medium. The system is observed to evolve into a structure consisting of an approximately cylindrical magnetic cavity with an embedded magnetically confined jet on its axis. The supersonic expansion produces a shell of swept-up shocked plasma that surrounds and partially confines the magnetic tower. Currents initially flow along the walls of the cavity and in the jet but the development of current-driven instabilities leads to the disruption of the jet and a rearrangement of the field and currents. The top of the cavity breaks up, and a well-collimated, radiatively cooled, 'clumpy' jet emerges from the system.},
doi = {10.1063/1.2436479},
journal = {Physics of Plasmas},
number = 5,
volume = 14,
place = {United States},
year = {Tue May 15 00:00:00 EDT 2007},
month = {Tue May 15 00:00:00 EDT 2007}
}