Extended-magnetohydrodynamics in under-dense plasmas
File(s)POP19-AR-58506_accepted.pdf (932.78 KB)
Accepted version
Author(s)
Walsh, CA
Chittenden, JP
Hill, DW
Ridgers, C
Type
Journal Article
Abstract
Extended-magnetohydrodynamics (MHD) transports magnetic flux and electron energy in high-energy-density experiments, but individual transport effects remain unobserved experimentally. Two factors are responsible in defining the transport: electron temperature and electron current. Each electron energy transport term has a direct analog in magnetic flux transport. To measure the thermally driven transport of magnetic flux and electron energy, a simple experimental configuration is explored computationally using a laser-heated pre-magnetized under-dense plasma. Changes to the laser heating profile precipitate clear diagnostic signatures from the Nernst, cross-gradient-Nernst, anisotropic conduction, and Righi-Leduc heat-flow. With a wide operating parameter range, this configuration can be used in both small and large scale facilities to benchmark MHD and kinetic transport in collisional/semi-collisional, local/non-local, and magnetized/unmagnetized regimes.
Date Issued
2020-02-04
Date Acceptance
2020-01-01
Citation
Physics of Plasmas, 2020, 27 (2), pp.022103-022103
ISSN
1070-664X
Publisher
AIP Publishing
Start Page
022103
End Page
022103
Journal / Book Title
Physics of Plasmas
Volume
27
Issue
2
Copyright Statement
© 2020 Author(s). This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article may be found at https://doi.org/10.1063/1.5124144
Sponsor
Engineering & Physical Science Research Council (EPSRC)
U.S Department of Energy
Identifier
https://aip.scitation.org/doi/10.1063/1.5124144
Grant Number
EP/P010288/1
83228-10968
Subjects
Fluids & Plasmas
0201 Astronomical and Space Sciences
0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
0203 Classical Physics
Publication Status
Published
Date Publish Online
2020-02-04