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Title: An experimental platform for pulsed-power driven magnetic reconnection

Abstract

We describe a versatile pulsed-power driven platform for magnetic reconnection experiments, based on the exploding wire arrays driven in parallel [Suttle et al., Phys. Rev. Lett.116, 225001 (2016)]. This platform produces inherently magnetised plasma flows for the duration of the generator current pulse (250 ns), resulting in a long-lasting reconnection layer. The layer exists for long enough to allow the evolution of complex processes such as plasmoid formation and movement to be diagnosed by a suite of high spatial and temporal resolution laser-based diagnostics. Becasue of this, we can access a wide range of magnetic reconnection regimes by changing the wire material or moving the electrodes inside the wire arrays. We present results with aluminium and carbon wires, in which the parameters of the inflows and the layer that forms are significantly different. By moving the electrodes inside the wire arrays, we change how strongly the inflows are driven. This enables us to study both symmetric reconnection in a range of different regimes and asymmetric reconnection.

Authors:
ORCiD logo [1];  [1]; ORCiD logo [1]; ORCiD logo [2];  [3];  [1];  [1];  [1];  [1];  [1];  [1];  [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]
  1. Imperial College, London (United Kingdom)
  2. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
  3. Sorbonne Univ., Paris (France)
Publication Date:
Research Org.:
Dept. of Energy (DOE), Washington DC (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1499647
Alternate Identifier(s):
OSTI ID: 1425251
Grant/Contract Number:  
NA0003764; F03-02NA00057; SC-0001063; SC0016215
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Physics of Plasmas
Additional Journal Information:
Journal Volume: 25; Journal Issue: 5; Journal ID: ISSN 1070-664X
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY

Citation Formats

Hare, J. D., Suttle, L. G., Lebedev, S. V., Loureiro, N. F., Ciardi, A., Chittenden, J. P., Clayson, T., Eardley, S. J., Garcia, C., Halliday, J. W. D., Robinson, T., Smith, R. A., Stuart, N., Suzuki-Vidal, F., and Tubman, E. R. An experimental platform for pulsed-power driven magnetic reconnection. United States: N. p., 2018. Web. doi:10.1063/1.5016280.
Hare, J. D., Suttle, L. G., Lebedev, S. V., Loureiro, N. F., Ciardi, A., Chittenden, J. P., Clayson, T., Eardley, S. J., Garcia, C., Halliday, J. W. D., Robinson, T., Smith, R. A., Stuart, N., Suzuki-Vidal, F., & Tubman, E. R. An experimental platform for pulsed-power driven magnetic reconnection. United States. doi:10.1063/1.5016280.
Hare, J. D., Suttle, L. G., Lebedev, S. V., Loureiro, N. F., Ciardi, A., Chittenden, J. P., Clayson, T., Eardley, S. J., Garcia, C., Halliday, J. W. D., Robinson, T., Smith, R. A., Stuart, N., Suzuki-Vidal, F., and Tubman, E. R. Fri . "An experimental platform for pulsed-power driven magnetic reconnection". United States. doi:10.1063/1.5016280. https://www.osti.gov/servlets/purl/1499647.
@article{osti_1499647,
title = {An experimental platform for pulsed-power driven magnetic reconnection},
author = {Hare, J. D. and Suttle, L. G. and Lebedev, S. V. and Loureiro, N. F. and Ciardi, A. and Chittenden, J. P. and Clayson, T. and Eardley, S. J. and Garcia, C. and Halliday, J. W. D. and Robinson, T. and Smith, R. A. and Stuart, N. and Suzuki-Vidal, F. and Tubman, E. R.},
abstractNote = {We describe a versatile pulsed-power driven platform for magnetic reconnection experiments, based on the exploding wire arrays driven in parallel [Suttle et al., Phys. Rev. Lett.116, 225001 (2016)]. This platform produces inherently magnetised plasma flows for the duration of the generator current pulse (250 ns), resulting in a long-lasting reconnection layer. The layer exists for long enough to allow the evolution of complex processes such as plasmoid formation and movement to be diagnosed by a suite of high spatial and temporal resolution laser-based diagnostics. Becasue of this, we can access a wide range of magnetic reconnection regimes by changing the wire material or moving the electrodes inside the wire arrays. We present results with aluminium and carbon wires, in which the parameters of the inflows and the layer that forms are significantly different. By moving the electrodes inside the wire arrays, we change how strongly the inflows are driven. This enables us to study both symmetric reconnection in a range of different regimes and asymmetric reconnection.},
doi = {10.1063/1.5016280},
journal = {Physics of Plasmas},
issn = {1070-664X},
number = 5,
volume = 25,
place = {United States},
year = {2018},
month = {3}
}

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