Bulletin of the American Physical Society
63rd Annual Meeting of the APS Division of Plasma Physics
Volume 66, Number 13
Monday–Friday, November 8–12, 2021; Pittsburgh, PA
Session NP11: Poster Session V:
HED
ICF
MFE- Turbulence & Transport
9:30 AM - 12:30 PM
Wednesday, November 10, 2021
Room: Hall A
Abstract: NP11.00095 : Recent Simulations of Nozzle Gas Flow and Gas-Puff Z-Pinch Implosions With Magnetic Fields in the Weizmann Z-Pinch*
Presenter:
Varun Tangri
(United States Naval Research Laboratory)
Authors:
Varun Tangri
(United States Naval Research Laboratory)
John L Giuliani
(United States Naval Research Laboratory)
Arati Dasgupta
(United States Naval Research Laboratory)
Tal Queller
(Faculty of Physics, Weizmann Institute of Science)
Eyal Kroupp
(Faculty of Physics, Weizmann Institute of Science)
Yitzhak Maron
(Weizmann Institute of Science)
New simulations of the oxygen pinch will be presented that address some of these inconsistencies. Simulations of magnetic field evolution using the 2D radiation-magneto-hydrodynamic code, MACH2-TCRE are presented in two steps as follows. In the first step, initial density modeled the by neutral gas-flow through nozzles. In the second step, the density profile from the previous step is used as initial condition for simulating the gas-puff implosion. It is shown that simulating the detailed nozzle geometry and outflow significantly improves the comparison of magnetic field radial distribution, temperature and spectroscopic data between the measurements and the pinch simulations.
- [1]. G. Rosenzweig, et al. Phys. Plasmas 27, 022705 (2020)
*Work supported by DOE/NNSA
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