Bulletin of the American Physical Society
60th Annual Meeting of the APS Division of Plasma Physics
Volume 63, Number 11
Monday–Friday, November 5–9, 2018; Portland, Oregon
Session BO4: HEDP Laboratory Astrophysics and Shocks
9:30 AM–12:30 PM,
Monday, November 5, 2018
OCC
Room: B110-112
Chair: Will Fox, PPPL
Abstract ID: BAPS.2018.DPP.BO4.11
Abstract: BO4.00011 : Oblique shocks formed in magnetized plasma flows*
11:30 AM–11:42 AM
Presenter:
Eleanor R Tubman
(Imperial College London)
Authors:
Eleanor R Tubman
(Imperial College London)
Sergey V Lebedev
(Imperial College London)
Guy C Burdiak
(First Light Fusion Ltd, UK)
Lee Suttle
(Imperial College London)
Daniel Russell
(Imperial College London)
Jack D Hare
(Imperial College London)
Simon N Bland
(Imperial College London)
Samuel Eardley
(Imperial College London)
Jonathan WD Halliday
(Imperial College London)
George Rowland
(Imperial College London)
Roland A Smith
(Imperial College London)
Nicholas Stuart
(Imperial College London)
Francisco Suzuki-Vidal
(Imperial College London)
We present experiments investigating the interaction of magnetized supersonic plasma flows with different conducting obstacles. Using the MAGPIE facility at Imperial College, London we are able to drive plasma flows from the ablation of inverse wire arrays. The flows are supersonic and super-Alfvenic (vflow ∼70 km/s, MA ∼2.5, M∼5) with frozen in magnetic fields of ∼1-2 T [1]. Wire grids placed into the flow, orientated parallel or perpendicular to the advected B-fields are used to control the magnetic field magnitude in the post-grid flow. This then affects the structure of both a network of oblique shocks [2,3] formed after the grid as well as the bow shock [4] formed at an additional, compact obstacle placed further downstream in the flow. Spatially and temporally resolved measurements, obtained using Thomson scattering, laser interferometry, shadowgraphy and Faraday rotation polarimetry, will be presented and discussed.
[1] A. J. Harvey-Thompson et al., PoP 16 (2009)
[2] G. F. Swadling et al., PoP 20 (2013)
[3] S. V. Lebedev et al., PoP 21 (2014)
[4] G. C. Burdiak et al., PoP 24 (2017)
*Supported by EPSRC Grant No. EP/N013379/1, and by the US DOE Awards No. DE-F03-02NA00057, DE-SC-0001063, DE-NA-0003764 and AFOSR.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.DPP.BO4.11
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