Bulletin of the American Physical Society
65th Annual Meeting of the APS Division of Plasma Physics
Monday–Friday, October 30–November 3 2023; Denver, Colorado
Session PP11: Poster Session VI:
MFE:DIII-D and conventional tokamaks II;MHD and stability; Analytic techniques in MFE;
ICF: Pinches and hohlraum physics
SPACE: Astrophysical plasmas
LTP:Low temperature plasma applications
MC:Miniconference: Shocks
2:00 PM - 5:00 PM
Wednesday, November 1, 2023
Room: Plaza ABC
Abstract: PP11.00123 : Enhanced Neutron-Induced Damage Testing through Plasma Window Technology*
Presenter:
Joshua Blatz
(SHINE Technologies)
Authors:
Joshua Blatz
(SHINE Technologies)
Ross F Radel
(SHINE Technologies)
Tye T Gribb
(SHINE Technologies)
Preston J Barrows
(SHINE Technologies)
Todd Kile
(SHINE Technologies)
From 2019, SHINE Technologies, LLC, has built and operated accelerator-based deuterium-tritium systems yielding a continuous output of 46 trillion neutrons per second. The flux of said system is limited by the distance over which the generated neutrons can be stopped which is a function of the pressure differential between the low-pressure acceleration region and high-pressure gas target region. SHINE has investigated the use of a plasma window composed of a wall-stabilized vacuum arc generated within a specially designed aperture. The high-pressure gas target region, utilizing SHINE’s current aperture size and accelerator-side pressure, saw an increase of nearly 600%. Alternatively, with accelerator and target pressures held constant at SHINE-relevant levels saw over a 550% increase to aperture diameter.
Simulations have shown that utilizing these advancements and multiple neutron-producing SHINE systems would result in a displacement per atom per power year of 0.1-0.3. This represents a vast improvement over existing current SHINE capabilities and offers a complementary route to fusion components testing.
*The information, data, or work presented herein was funded in part by the Advanced Research Projects Agency-Energy (ARPA-E), U.S. Department of Energy, under Award Number DE-AR0001377.
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