Bulletin of the American Physical Society
64th Annual Meeting of the APS Division of Plasma Physics
Volume 67, Number 15
Monday–Friday, October 17–21, 2022; Spokane, Washington
Session TO05: High-energy-density Hydrodynamics
9:30 AM–12:30 PM,
Thursday, October 20, 2022
Room: Ballroom 111 B
Chair: Pawel Kozlowski, LANL
Abstract: TO05.00015 : A new experimental platform to study high-energy density rotating plasmas on the OMEGA laser*
12:18 PM–12:30 PM
Presenter:
Francisco Suzuki-Vidal
(Imperial College London / First Light Fusion)
Authors:
Francisco Suzuki-Vidal
(Imperial College London / First Light Fusion)
George F Swadling
(Lawrence Livermore Natl Lab)
Mathieu Bailly-Grandvaux
(University of California, San Diego)
Vicente Valenzuela-Villaseca
(Imperial College London)
Chris A Walsh
(Lawrence Livermore National Laboratory)
Time-resolved optical Thomson scattering spectra collected about the axis are Doppler shifted in opposite directions, as expected from a rotating flow. The measured rotation velocity is of the order of several hundreds of km/s. The data also indicates initial interpenetration of the colliding flows prior to the formation of the rotating disk.
The hydrodynamic regime in the experiments was studied with 3-D numerical simulations using the Gorgon code which, besides the formation of the radial flows and the rotating disk, predict the formation of an axial rotating jet in the center of the disk.
*This research was partially funded by The Royal Society (UK). The experiment was conducted at the Omega Laser Facility at the University of Rochester's Laboratory for Laser Energetics with the beam time through the Laboratory Basic Science (LBS) program.
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