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Title: Experiment to Form and Characterize a Section of a Spherically Imploding Plasma Liner

Abstract

Here, we describe an experiment to form and characterize a section of a spherically imploding plasma liner by merging six supersonic plasma jets that are launched by newly designed contoured-gap coaxial plasma guns. This experiment is a prelude to forming a fully spherical imploding plasma liner using many dozens of plasma guns, as a standoff driver for plasma-jet-driven magneto-inertial fusion. The objectives of the six-jet experiments are to assess the evolution and scalings of liner Mach number and uniformity, which are important metrics for spherically imploding plasma liners to compress magnetized target plasmas to fusion conditions. Lastly, this article describes the design of the coaxial plasma guns, experimental characterization of the plasma jets, six-jet experimental setup and diagnostics, initial diagnostic data from three- and six-jet experiments, and the high-level objectives of associated numerical modeling.

Authors:
ORCiD logo [1];  [1];  [2];  [1];  [3];  [3];  [3];  [3];  [2]; ORCiD logo [4];  [5];  [6];  [4];  [5];  [7];  [8]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  2. Univ. of New Mexico, Albuquerque, NM (United States). Electrical and Computer Engineering Dept.
  3. HyperV Technologies Corp., Chantilly, VA (United States)
  4. Univ. of Alabama, Huntsville, AL (United States). Propulsion Research Center
  5. Stony Brook Univ., NY (United States). Dept. of Applied Mathematics and Statistics
  6. Tech-X Corporation, Boulder, CO (United States)
  7. Tech-X Corporation, Boulder, CO (United States); Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
  8. HyperJet Fusion Corporation, Chantilly, VA (United States)
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Advanced Research Projects Agency - Energy (ARPA-E); USDOE Office of Science (SC), Fusion Energy Sciences (FES) (SC-24)
OSTI Identifier:
1414263
Alternate Identifier(s):
OSTI ID: 1417824; OSTI ID: 1426785
Report Number(s):
LA-UR-17-28898; BNL-203275-2018-JAAM
Journal ID: ISSN 0093-3813
Grant/Contract Number:  
AC52-06NA25396; SC0012704
Resource Type:
Accepted Manuscript
Journal Name:
IEEE Transactions on Plasma Science
Additional Journal Information:
Journal Volume: PP; Journal Issue: 99; Journal ID: ISSN 0093-3813
Publisher:
IEEE
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; Plasma applications; plasmas; 97 MATHEMATICS AND COMPUTING

Citation Formats

Hsu, S. C., Langendorf, S. J., Yates, K. C., Dunn, J. P., Brockington, S., Case, A., Cruz, E., Witherspoon, F. D., Gilmore, M. A., Cassibry, J. T., Samulyak, R., Stoltz, P., Schillo, K., Shih, W., Beckwith, K., and Thio, Y. C. F. Experiment to Form and Characterize a Section of a Spherically Imploding Plasma Liner. United States: N. p., 2017. Web. doi:10.1109/TPS.2017.2779421.
Hsu, S. C., Langendorf, S. J., Yates, K. C., Dunn, J. P., Brockington, S., Case, A., Cruz, E., Witherspoon, F. D., Gilmore, M. A., Cassibry, J. T., Samulyak, R., Stoltz, P., Schillo, K., Shih, W., Beckwith, K., & Thio, Y. C. F. Experiment to Form and Characterize a Section of a Spherically Imploding Plasma Liner. United States. doi:10.1109/TPS.2017.2779421.
Hsu, S. C., Langendorf, S. J., Yates, K. C., Dunn, J. P., Brockington, S., Case, A., Cruz, E., Witherspoon, F. D., Gilmore, M. A., Cassibry, J. T., Samulyak, R., Stoltz, P., Schillo, K., Shih, W., Beckwith, K., and Thio, Y. C. F. Mon . "Experiment to Form and Characterize a Section of a Spherically Imploding Plasma Liner". United States. doi:10.1109/TPS.2017.2779421. https://www.osti.gov/servlets/purl/1414263.
@article{osti_1414263,
title = {Experiment to Form and Characterize a Section of a Spherically Imploding Plasma Liner},
author = {Hsu, S. C. and Langendorf, S. J. and Yates, K. C. and Dunn, J. P. and Brockington, S. and Case, A. and Cruz, E. and Witherspoon, F. D. and Gilmore, M. A. and Cassibry, J. T. and Samulyak, R. and Stoltz, P. and Schillo, K. and Shih, W. and Beckwith, K. and Thio, Y. C. F.},
abstractNote = {Here, we describe an experiment to form and characterize a section of a spherically imploding plasma liner by merging six supersonic plasma jets that are launched by newly designed contoured-gap coaxial plasma guns. This experiment is a prelude to forming a fully spherical imploding plasma liner using many dozens of plasma guns, as a standoff driver for plasma-jet-driven magneto-inertial fusion. The objectives of the six-jet experiments are to assess the evolution and scalings of liner Mach number and uniformity, which are important metrics for spherically imploding plasma liners to compress magnetized target plasmas to fusion conditions. Lastly, this article describes the design of the coaxial plasma guns, experimental characterization of the plasma jets, six-jet experimental setup and diagnostics, initial diagnostic data from three- and six-jet experiments, and the high-level objectives of associated numerical modeling.},
doi = {10.1109/TPS.2017.2779421},
journal = {IEEE Transactions on Plasma Science},
number = 99,
volume = PP,
place = {United States},
year = {2017},
month = {12}
}

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Figures / Tables:

Fig. 1 Fig. 1: Illustration of the PLX-α experimental setup, which will ultimately have at least 36 and up to 60 (as shown) coaxial plasma guns mounted around a 2.74-m-diameter vacuum chamber. Shown are plasma guns with integrated capacitor banks and a spherically imploding plasma liner compressing a magnetized plasma target. Themore » PLX-α project is focused on developing the plasma liner and is not addressing the plasma target.« less

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