Demonstration of repeatability in a high-energy-density planar shear mixing layer experiment

Merritt, Elizabeth Catherine; Doss, Forrest William; Di Stefano, Carlos A.; Flippo, Kirk Adler; Rasmus, Alexander M.; Schmidt, Derek William

doi:10.1016/j.hedp.2017.03.007

Title: Demonstration of repeatability in a high-energy-density planar shear mixing layer experiment

Journal Article · Sat Mar 11 00:00:00 EST 2017 · High Energy Density Physics

DOI:https://doi.org/10.1016/j.hedp.2017.03.007· OSTI ID:1351196

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Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

On laser-driven platforms the assumption of experiment repeatability is particularly important due to a typically low data acquisition rate that doesn’t often allow for data redundancy. If the platform is repeatable, then measurements of the repeatable dynamics from multiple experiments can be treated as measurements of the same system. In high-energy-density hydrodynamic instability experiments the interface growth is assumed to be one of the repeatable aspects of the system. In this paper we demonstrate the repeatability of the instability growth in the counter-propagating shear experiment at the OMEGA laser facility, where the instability growth is characterized by the tracer layer thickness or mix-width evolution. Furthermore, in our previous experiment campaigns we have assumed the instability growth was repeatable enough to identify trends, but in this work we explicitly show that the mix-width measurements for nominally identical experiments are repeatable within the measurement error bars.

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Research Organization:: Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA)

Grant/Contract Number:: AC52-06NA25396

OSTI ID:: 1351196

Alternate ID(s):: OSTI ID: 1419533

Report Number(s):: LA-UR-16-27608; TRN: US1700615

Journal Information:: High Energy Density Physics, Vol. 23, Issue C; ISSN 1574-1818

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 4 works

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References (17)

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Cited By (2)

Modeling hydrodynamics, magnetic fields, and synthetic radiographs for high-energy-density plasma flows in shock-shear targets Lu, Yingchao; Li, Shengtai; Li, Hui Physics of Plasmas, Vol. 27, Issue 1 https://doi.org/10.1063/1.5126149	journal	January 2020
Turbulent mixing and transition criteria of flows induced by hydrodynamic instabilities Zhou, Ye; Clark, Timothy T.; Clark, Daniel S. Physics of Plasmas, Vol. 26, Issue 8 https://doi.org/10.1063/1.5088745	journal	August 2019

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