MIT Libraries logoDSpace@MIT

MIT
View Item 
  • DSpace@MIT Home
  • Plasma Science and Fusion Center (PSFC)
  • Journal Article Series (JA)
  • View Item
  • DSpace@MIT Home
  • Plasma Science and Fusion Center (PSFC)
  • Journal Article Series (JA)
  • View Item
JavaScript is disabled for your browser. Some features of this site may not work without it.

Observation of Hydrodynamic Flows in Imploding Fusion Plasmas on the National Ignition Facility

Author(s)
Schlossberg, D.J.; Grim, G.P.; Casey, D.T.; Moore, A.S.; Nora, R.; Bachmann, B.; Benedetti, L.R.; Bionta, R.M.; Eckart, M.J.; Field, J.E.; Fittinghoff, D.N.; Gatu Johnson, Maria; Geppert-Kleinrath, V.; Hartouni, E.P.; Hatarik, R.; Hsing, W.W.; Jarrott, L.C.; Khan, S.F.; Kilkenny, J.D.; Landen, O.L.; MacGowan, B.J.; Mackinnon, A.J.; Meaney, K.D.; Munro, D.H.; Nagel, S.R.; Pak, A.; Patel, P.K.; Spears, B.K.; Volegov, P.L.; Young, C.V.; ... Show more Show less
Thumbnail
Download20ja106_full.pdf (3.970Mb)
Metadata
Show full item record
Abstract
Inertial confinement fusion implosions designed to have minimal fluid motion at peak compression often show significant linear flows in the laboratory, attributable per simulations to percent-level imbalances in the laser drive illumination symmetry. We present experimental results which intentionally varied the Mode 1 drive imbalance by up to 4% to test hydrodynamic predictions of flows and the resultant imploded core asymmetries and performance, as measured by a combination of DT neutron spectroscopy and high-resolution x-ray core imaging. Neutron yields decrease by up to 50% and anisotropic neutron Doppler broadening increases by 20%, in agreement with simulations. Furthermore, a tracer jet from the capsule fill tube perturbation that is entrained by the hot spot flow confirms the average flow speeds deduced from neutron spectroscopy.
Description
Submitted for publication in Physical Review Letters
Date issued
2020-03
URI
https://hdl.handle.net/1721.1/158698
Department
Massachusetts Institute of Technology. Plasma Science and Fusion Center
Journal
Physical Review Letters
Publisher
APS
Other identifiers
20ja106

Collections
  • Journal Article Series (JA)
  • MIT Open Access Articles

Browse

All of DSpaceCommunities & CollectionsBy Issue DateAuthorsTitlesSubjectsThis CollectionBy Issue DateAuthorsTitlesSubjects

My Account

Login

Statistics

OA StatisticsStatistics by CountryStatistics by Department
MIT Libraries
PrivacyPermissionsAccessibilityContact us
MIT
Content created by the MIT Libraries, CC BY-NC unless otherwise noted. Notify us about copyright concerns.