skip to main content
DOE PAGES title logo U.S. Department of Energy
Office of Scientific and Technical Information

This content will become publicly available on March 7, 2020

Title: Simulation Study of the Influence of Experimental Variations on the Structure and Quality of Plasma Liners

Abstract

Simulation studies of a section of a spherically imploding plasma liner, formed by the merger of six hypersonic plasma jets, have been performed at conditions relevant to the Plasma Liner Experiment (PLX) [S. C. Hsu et al., IEEE Trans. Plasma Sci. 46, 1951 (2018)]. The main aim of simulations was the sensitivity study of the detailed structure of plasma liners and their global properties to experimental mass variations and timing jitter across the six plasma jets. Experimentally observable synthetic quantities have been computed using simulation data and compared with the available experimental data. Simulations predicted that the primary oblique shock wave structure is preserved at small experimental variations. At later phases of the liner implosion, primary shocks and, especially, secondary shocks are more sensitive to experimental variations. These conclusions follow from the simulation data as well as the experimental CCD camera images. Small displacements of the shock wave structures may also cause significant changes in the synthetic interferometer data at early time. Our studies showed that the global properties of the plasma liners (averaged Mach number and averaged ram pressure along leading edges of plasma liners) are not very sensitive to experimental variations. Simulation data of the liner structure weremore » largely confirmed by the PLX experimental data.« less

Authors:
 [1];  [2];  [3];  [3];  [4];  [5]
  1. Stony Brook Univ., NY (United States)
  2. Stony Brook Univ., NY (United States); Brookhaven National Lab. (BNL), Upton, NY (United States)
  3. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  4. Univ. of New Mexico, Albuquerque, NM (United States)
  5. HyperJety Fusion Corp., Chantilly, VA (United States)
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States); Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Advanced Scientific Computing Research (SC-21); USDOE Advanced Research Projects Agency - Energy (ARPA-E)
OSTI Identifier:
1492767
Alternate Identifier(s):
OSTI ID: 1512744
Report Number(s):
BNL-210925-2019-JAAM; LA-UR-18-29952
Journal ID: ISSN 1070-664X
Grant/Contract Number:  
SC0012704; 89233218CNA000001
Resource Type:
Accepted Manuscript
Journal Name:
Physics of Plasmas
Additional Journal Information:
Journal Volume: 26; Journal Issue: 3; Journal ID: ISSN 1070-664X
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY

Citation Formats

Shih, Wen, Samulyak, Roman, Hsu, Scott C., Langendorf, Samuel J., Yates, Kevin C., and Thio, Y. C. Francis. Simulation Study of the Influence of Experimental Variations on the Structure and Quality of Plasma Liners. United States: N. p., 2019. Web. doi:10.1063/1.5067395.
Shih, Wen, Samulyak, Roman, Hsu, Scott C., Langendorf, Samuel J., Yates, Kevin C., & Thio, Y. C. Francis. Simulation Study of the Influence of Experimental Variations on the Structure and Quality of Plasma Liners. United States. doi:10.1063/1.5067395.
Shih, Wen, Samulyak, Roman, Hsu, Scott C., Langendorf, Samuel J., Yates, Kevin C., and Thio, Y. C. Francis. Thu . "Simulation Study of the Influence of Experimental Variations on the Structure and Quality of Plasma Liners". United States. doi:10.1063/1.5067395.
@article{osti_1492767,
title = {Simulation Study of the Influence of Experimental Variations on the Structure and Quality of Plasma Liners},
author = {Shih, Wen and Samulyak, Roman and Hsu, Scott C. and Langendorf, Samuel J. and Yates, Kevin C. and Thio, Y. C. Francis},
abstractNote = {Simulation studies of a section of a spherically imploding plasma liner, formed by the merger of six hypersonic plasma jets, have been performed at conditions relevant to the Plasma Liner Experiment (PLX) [S. C. Hsu et al., IEEE Trans. Plasma Sci. 46, 1951 (2018)]. The main aim of simulations was the sensitivity study of the detailed structure of plasma liners and their global properties to experimental mass variations and timing jitter across the six plasma jets. Experimentally observable synthetic quantities have been computed using simulation data and compared with the available experimental data. Simulations predicted that the primary oblique shock wave structure is preserved at small experimental variations. At later phases of the liner implosion, primary shocks and, especially, secondary shocks are more sensitive to experimental variations. These conclusions follow from the simulation data as well as the experimental CCD camera images. Small displacements of the shock wave structures may also cause significant changes in the synthetic interferometer data at early time. Our studies showed that the global properties of the plasma liners (averaged Mach number and averaged ram pressure along leading edges of plasma liners) are not very sensitive to experimental variations. Simulation data of the liner structure were largely confirmed by the PLX experimental data.},
doi = {10.1063/1.5067395},
journal = {Physics of Plasmas},
number = 3,
volume = 26,
place = {United States},
year = {2019},
month = {3}
}

Journal Article:
Free Publicly Available Full Text
This content will become publicly available on March 7, 2020
Publisher's Version of Record

Save / Share: