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Title: Multi-camera imaging to characterize jet and liner uniformity on the Plasma Liner Experiment (PLX)

Journal Article · · Review of Scientific Instruments
DOI: https://doi.org/10.1063/5.0101674 · OSTI ID:1988550
ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [2]; ORCiD logo [3];  [3];  [4]
  1. University of New Mexico, Albuquerque, NM (United States); Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
  2. Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
  3. University of Alabama, Huntsville, AL (United States)
  4. University of New Mexico, Albuquerque, NM (United States)
+ Show Author Affiliations

At Plasma Liner Experiment, a set of 36 coaxial plasma guns are deployed quasi-uniformly over a 9 ft diameter spherical chamber and are used to form a high-Z spherically compressive plasma liner. Simulations indicate that for the concept to ultimately achieve optimal target density and temperature, a high degree of timing uniformity is required between all guns. Therefore, to aid in quantifying and correcting gun-to-gun nonuniformities, a key diagnostic will consist of up to six fisheye-view CCD cameras positioned inside the main chamber such that each has all plasma guns within its view. The individual cameras can be triggered at different times to determine each plasma jet’s muzzle velocity and structure for different operating conditions. This camera array is currently under development, and the implementation needs and challenges for this camera array are discussed here. Additionally, we detail the analysis methodology for determining jet-to-jet uniformity deviations and how we can correct them, thereby improving overall liner uniformity.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE Advanced Research Projects Agency - Energy (ARPA-E)
Grant/Contract Number:
FOA-0002212
OSTI ID:
1988550
Report Number(s):
LA-UR-22-25028; TRN: US2403861
Journal Information:
Review of Scientific Instruments, Vol. 94, Issue 6; ISSN 0034-6748
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English

References (7)

Target implosion uniformity in heavy-ion fusion journal November 2016
Suite for Smooth Particle Hydrodynamic Code Relevant to Spherical Plasma Liner Formation and Implosion journal July 2019
Plasma-Jet-Driven Magneto-Inertial Fusion journal May 2019
Two-dimensional axisymmetric magnetohydrodynamic analysis of blow-by in a coaxial plasma accelerator journal May 2006
A contoured gap coaxial plasma gun with injected plasma armature journal August 2009
Direct-drive inertial confinement fusion: A review journal November 2015
Development of the indirect‐drive approach to inertial confinement fusion and the target physics basis for ignition and gain journal November 1995

Figures / Tables (10)

Fig. 1(p. 2)figure Fig. 1
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Fig. 6(p. 4)figure Fig. 6
Fig. 7(p. 5)figure Fig. 7
Fig. 8(p. 5)figure Fig. 8
Table I(p. 5)table Table I
Fig. 9(p. 6)figure Fig. 9

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