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Numerical study of jets produced by conical wire arrays on the Magpie pulsed power generator

Published online by Cambridge University Press:  08 June 2011

Matteo Bocchi ,
Jerry P. Chittenden ,
Andrea Ciardi ,
Francisco Suzuki-Vidal ,
Gareth N. Hall ,
Phil de Grouchy ,
Sergei V. Lebedev  and
Simon C. Bott
Matteo Bocchi
Affiliation:
The Blackett Laboratory, Imperial College London, SW7 2BW London, UK email: m.bocchi@imperial.ac.uk
Jerry P. Chittenden
Affiliation:
The Blackett Laboratory, Imperial College London, SW7 2BW London, UK email: m.bocchi@imperial.ac.uk
Andrea Ciardi
Affiliation:
LERMA, Université Pierre et Marie Curie, Observatoire de Paris, Meudon, France École Normale Supérieure, Paris, France. UMR 8112 CNRS
Francisco Suzuki-Vidal
Affiliation:
The Blackett Laboratory, Imperial College London, SW7 2BW London, UK email: m.bocchi@imperial.ac.uk
Gareth N. Hall
Affiliation:
The Blackett Laboratory, Imperial College London, SW7 2BW London, UK email: m.bocchi@imperial.ac.uk
Phil de Grouchy
Affiliation:
The Blackett Laboratory, Imperial College London, SW7 2BW London, UK email: m.bocchi@imperial.ac.uk
Sergei V. Lebedev
Affiliation:
The Blackett Laboratory, Imperial College London, SW7 2BW London, UK email: m.bocchi@imperial.ac.uk
Simon C. Bott
Affiliation:
Center for Energy Research, University of California, San Diego, CA, USA
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Abstract

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With the aim to model jets produced by conical wire arrays on the MAGPIE generator, and to strengthen the link between laboratory and astrophysical jets, we performed three-dimensional magneto-hydro-dynamic numerical simulations using the code GORGON and successfully reproduced the experiments. We found that a minimum resolution of ~100 μm is required to retrieve the unstable character of the jet. Moreover, arrays with less wires produce more unstable jets with stronger magnetic fields around them.

Keywords

ISM: jets and outflowshydrodynamicsplasmasmethods: laboratorymethods: numerical
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 6 , Symposium S274: Advances in Plasma Astrophysics , September 2010 , pp. 429 - 432
Copyright
Copyright © International Astronomical Union 2011

References

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