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Title: Experimental observation of the stratified electrothermal instability on aluminum with thickness greater than a skin depth

Abstract

A direct observation of the stratified electrothermal instability on the surface of thick metal is reported. Aluminum rods coated with 70 μm Parylene-N were driven to 1 MA in 100 ns, with the metal thicker than the skin depth. Here, the dielectric coating suppressed plasma formation, enabling persistent observation of discrete azimuthally correlated stratified thermal perturbations perpendicular to the current whose wave numbers, k, grew exponentially with rate γ (k) = 0.06 ns -1 - (0.4 ns -1 μm 2 ra d -2) k 2 in ~ 1 g/cm 3, ~ 7000 K aluminum.

Authors:
 [1];  [2];  [1];  [3];  [2];  [2];  [1]
  1. Univ. of Nevada, Reno, NV (United States)
  2. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
  3. University of New Mexico
Publication Date:
Research Org.:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1464184
Alternate Identifier(s):
OSTI ID: 1437503
Report Number(s):
[SAND-2017-7784J]
[Journal ID: ISSN 2470-0045; PLEEE8; 655591; TRN: US1902372]
Grant/Contract Number:  
[AC04-94AL85000; NA0003525; 178661; 200269]
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review E
Additional Journal Information:
[ Journal Volume: 97; Journal Issue: 5]; Journal ID: ISSN 2470-0045
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY

Citation Formats

Hutchinson, Trevor M., Awe, Thomas James, Bauer, Bruno, Yates, Kevin, Yu, Edmund P., Yelton, William G., and Fuelling, Stephan. Experimental observation of the stratified electrothermal instability on aluminum with thickness greater than a skin depth. United States: N. p., 2018. Web. doi:10.1103/PhysRevE.97.053208.
Hutchinson, Trevor M., Awe, Thomas James, Bauer, Bruno, Yates, Kevin, Yu, Edmund P., Yelton, William G., & Fuelling, Stephan. Experimental observation of the stratified electrothermal instability on aluminum with thickness greater than a skin depth. United States. doi:10.1103/PhysRevE.97.053208.
Hutchinson, Trevor M., Awe, Thomas James, Bauer, Bruno, Yates, Kevin, Yu, Edmund P., Yelton, William G., and Fuelling, Stephan. Thu . "Experimental observation of the stratified electrothermal instability on aluminum with thickness greater than a skin depth". United States. doi:10.1103/PhysRevE.97.053208. https://www.osti.gov/servlets/purl/1464184.
@article{osti_1464184,
title = {Experimental observation of the stratified electrothermal instability on aluminum with thickness greater than a skin depth},
author = {Hutchinson, Trevor M. and Awe, Thomas James and Bauer, Bruno and Yates, Kevin and Yu, Edmund P. and Yelton, William G. and Fuelling, Stephan},
abstractNote = {A direct observation of the stratified electrothermal instability on the surface of thick metal is reported. Aluminum rods coated with 70 μm Parylene-N were driven to 1 MA in 100 ns, with the metal thicker than the skin depth. Here, the dielectric coating suppressed plasma formation, enabling persistent observation of discrete azimuthally correlated stratified thermal perturbations perpendicular to the current whose wave numbers, k, grew exponentially with rate γ (k) = 0.06 ns-1 - (0.4 ns-1 μm2 ra d-2) k2 in ~ 1 g/cm3, ~ 7000 K aluminum.},
doi = {10.1103/PhysRevE.97.053208},
journal = {Physical Review E},
number = [5],
volume = [97],
place = {United States},
year = {2018},
month = {5}
}

Journal Article:
Free Publicly Available Full Text
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Citation Metrics:
Cited by: 1 work
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Figures / Tables:

FIG. 1 FIG. 1 : (color). Pre-shot topographical characterization of aluminum rod surfaces after electropolishing & before coating. (a) 10 kV SEM (secondary electron) image of an aluminum rod surface, 94 μm × 125 μm. The figure’s horizontal dimension is azimuthal in the experiment, and the vertical dimension is parallel to themore » rod axis ($\hat{z}$) and j. (b) WLI image of aluminum rod surface, with the same orientation as in (a), 94 μm × 125 μm. Color signifies surface displacement in the ± radial direction. Tick marks are separated by 10 μm. Surface structure in (a, b) was consistent across the 11 rods, although (a) and (b) are not of the same surface.« less

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    Works referencing / citing this record:

    Observation of the thermal conductivity of warm dense tungsten plasma generated by a pulsed-power discharge using laser-induced fluorescence
    journal, July 2017

    • Sugimoto, Satoshi; Watabe, Arata; Sugimoto, Yuki
    • Physics of Plasmas, Vol. 24, Issue 7
    • DOI: 10.1063/1.4990064

    Study of the strata formation during the explosion of a wire in vacuum
    journal, October 2008

    • Rousskikh, A. G.; Oreshkin, V. I.; Chaikovsky, S. A.
    • Physics of Plasmas, Vol. 15, Issue 10
    • DOI: 10.1063/1.3000390

    Fast penetration of megagauss fields into metallic conductors
    journal, August 2014


    Exploding aluminum wire expansion rate with 1–4.5 kA per wire
    journal, May 2000

    • Sinars, D. B.; Shelkovenko, T. A.; Pikuz, S. A.
    • Physics of Plasmas, Vol. 7, Issue 5
    • DOI: 10.1063/1.873975

    Simulations of electrothermal instability growth in solid aluminum rods
    journal, May 2013

    • Peterson, Kyle J.; Yu, Edmund P.; Sinars, Daniel B.
    • Physics of Plasmas, Vol. 20, Issue 5
    • DOI: 10.1063/1.4802836

    Progress in Measurements of the Electrical Conductivity of Metal Plasmas
    journal, July 2005

    • DeSilva, A. W.; Rakhel, A. D.
    • Contributions to Plasma Physics, Vol. 45, Issue 3-4
    • DOI: 10.1002/ctpp.200510026

    Experimental study of the nonlinear diffusion of a magnetic field and skin explosion of cylindrical conductors
    journal, November 2015

    • Chaikovsky, S. A.; Oreshkin, V. I.; Datsko, I. M.
    • Physics of Plasmas, Vol. 22, Issue 11
    • DOI: 10.1063/1.4935401

    Solid liner implosions on Z for producing multi-megabar, shockless compressions
    journal, May 2012

    • Martin, M. R.; Lemke, R. W.; McBride, R. D.
    • Physics of Plasmas, Vol. 19, Issue 5
    • DOI: 10.1063/1.3694519

    Review of electrical resistivity measurements of dense aluminum and comparison to theory
    journal, May 2000


    Diffusion of fast rising strong magnetic fields into conductors
    journal, November 2014


    Wire explosion in vacuum: Simulation of a striation appearance
    journal, October 2004

    • Oreshkin, V. I.; Baksht, R. B.; Ratakhin, N. A.
    • Physics of Plasmas, Vol. 11, Issue 10
    • DOI: 10.1063/1.1789996

    Thermal instability during an electrical wire explosion
    journal, September 2008


    Evaluation Method for Thermal Conductivity in Warm Dense Matter by using Ruby Fluorescence Probe
    journal, March 2016


    Early time studies of cylindrical liner implosions at 1 MA on COBRA
    conference, January 2014

    • Atoyan, L.; Byvank, T.; Cahill, A. D.
    • 9TH INTERNATIONAL CONFERENCE ON DENSE Z PINCHES, AIP Conference Proceedings
    • DOI: 10.1063/1.4904779

    Study of the strata formation during the explosion of foils in vacuum
    journal, November 2015


    Stratification in Al and Cu foils exploded in vacuum
    journal, October 2015

    • Baksht, R. B.; Rousskikh, A. G.; Zhigalin, A. S.
    • Physics of Plasmas, Vol. 22, Issue 10
    • DOI: 10.1063/1.4934925

    Thermal conductivity measurements of proton-heated warm dense aluminum
    journal, August 2017


    Magneto-Inertial Fusion
    journal, November 2015


    Electrothermal instability growth in magnetically driven pulsed power liners
    journal, September 2012

    • Peterson, Kyle J.; Sinars, Daniel B.; Yu, Edmund P.
    • Physics of Plasmas, Vol. 19, Issue 9
    • DOI: 10.1063/1.4751868

    Demonstration of thermonuclear conditions in magnetized liner inertial fusion experimentsa)
    journal, May 2015

    • Gomez, M. R.; Slutz, S. A.; Sefkow, A. B.
    • Physics of Plasmas, Vol. 22, Issue 5
    • DOI: 10.1063/1.4919394

    Stability of a nonlinear magnetic field diffusion wave
    journal, February 2012

    • Oreshkin, V. I.; Chaikovsky, S. A.
    • Physics of Plasmas, Vol. 19, Issue 2
    • DOI: 10.1063/1.3683557

    Experimental and theoretical evaluation of surface coated exploding wires
    journal, March 2012

    • Stephens, J.; Neuber, A.; Kristiansen, M.
    • Physics of Plasmas, Vol. 19, Issue 3
    • DOI: 10.1063/1.3689855

    Isochoric heating of foamed metal using pulsed power discharge as a making technique of warm dense matter
    journal, August 2012

    • Amano, Yusuke; Miki, Yasutoshi; Takahashi, Takuya
    • Review of Scientific Instruments, Vol. 83, Issue 8
    • DOI: 10.1063/1.4742986

    MHD instabilities developing in a conductor exploding in the skin effect mode
    journal, December 2016

    • Oreshkin, V. I.; Chaikovsky, S. A.; Datsko, I. M.
    • Physics of Plasmas, Vol. 23, Issue 12
    • DOI: 10.1063/1.4971443

    On the scaling of the magnetically accelerated flyer plate technique to currents greater than 20 MA
    journal, May 2014


    Instability growth for magnetized liner inertial fusion seeded by electro-thermal, electro-choric, and material strength effects
    journal, October 2015

    • Pecover, J. D.; Chittenden, J. P.
    • Physics of Plasmas, Vol. 22, Issue 10
    • DOI: 10.1063/1.4932328

    Pulsed-power-driven cylindrical liner implosions of laser preheated fuel magnetized with an axial field
    journal, May 2010

    • Slutz, S. A.; Herrmann, M. C.; Vesey, R. A.
    • Physics of Plasmas, Vol. 17, Issue 5
    • DOI: 10.1063/1.3333505

      Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.