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  5. Hydrodynamic and magnetohydrodynamic simulations of wire turbulence
 
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Hydrodynamic and magnetohydrodynamic simulations of wire turbulence
File(s)
Fogerty_HEDP2019_Grids.pdf (8.26 MB)
Accepted version
Author(s)
Fogerty, Erica
Liu, Baowei
Frank, Adam
Carroll-Nellenback, Jonathan
Lebedev, Sergey
Type
Journal Article
Abstract
We report on simulations of laboratory experiments in which magnetized supersonic flows
are driven through a wire mesh. The goal of the study was to investigate the ability of such a
configuration to generate supersonic, MHD turbulence. We first report on the morphological
structures that develop in both magnetized and non-magnetized cases. We then analyze the flow
using a variety of statistical measures, including power spectra and probability distribution
functions of the density. Using these results we estimate the sonic mach number in the flows
downstream of the wire mesh. We find the initially hypersonic (Ms = 20) planar shock through
the wire mesh does lead to downstream turbulent conditions. However, in both magnetized
and non-magnetized cases, the resultant turbulence was marginally supersonic to transonic
(Ms ∼ 1), and highly anisotropic in structure.
Date Issued
2019-11
Date Acceptance
2019-07-12
Citation
High Energy Density Physics, 2019, 33, pp.1-9
URI
http://hdl.handle.net/10044/1/72156
URL
https://www.sciencedirect.com/science/article/pii/S1574181819300229?via%3Dihub
DOI
https://www.dx.doi.org/10.1016/j.hedp.2019.100699
ISSN
1574-1818
Publisher
Elsevier BV
Start Page
1
End Page
9
Journal / Book Title
High Energy Density Physics
Volume
33
Copyright Statement
© 2019 Elsevier Ltd. All rights reserved. This manuscript is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International Licence http://creativecommons.org/licenses/by-nc-nd/4.0/
Sponsor
Engineering & Physical Science Research Council (EPSRC)
U.S Department of Energy
Identifier
https://www.sciencedirect.com/science/article/pii/S1574181819300229?via%3Dihub
Grant Number
EP/N013379/1
416729-G
Subjects
Fluids & Plasmas
02 Physical Sciences
Publication Status
Published online
Article Number
100699
Date Publish Online
2019-07-12
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