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Impurity seeded radiative power exhaust solutions for ITER
Nuclear Fusion, 1996The injection of impurities into the scrape-off layer (SOL) to stimulate radiative power exhaust from the mantle and SOL/divertor of the International Thermonuclear Experimental Reactor (ITER) is investigated. Intermediate Z impurities (e.g. argon to krypton) are able to radiate more than two thirds of the plasma heating power, without significant ...
J Mandrekas, W.M Stacey, F Kelly
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Impurity Seeding with Dust Injection in Tokamak Edge Plasmas
Contributions to Plasma Physics, 2012AbstractImpurity seeding of tokamak edge plasmas in the form of dust is modeled using the recently coupled DUSTT/UEDGE code. The effects on edge plasma performance due to lithium and carbon dust continuously injected at different poloidal locations in NSTX and ITER are modeled.
R.D. Smirnov +6 more
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Influence of impurity seeding on plasma burning scenarios for ITER
Fusion Engineering and Design, 2016Abstract ITER expects to produce fusion power of about 0.5GW when operating with tungsten (W) divertor and beryllium (Be) wall. The influx of W from divertor can have significant influence on the discharge performance. This work describes predictive integrated numerical modeling of ITER discharges using the COREDIV code, which self-consistently ...
Ivanova-Stanik, I. +3 more
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Impurity-seeded plasma experiments on JET
2003Scaling to larger tokamaks of high confinement plasmas with radiating edges, induced by impurities, is being studied through internationally collaborative experiments on JET. In campaigns till the end of 2000, three different regimes have been explored. A small number of limiter L-mode discharges seeded with neon have most closely repeated the approach
Maddison, G.P. +3 more
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Reduced Models of Impurity Seeded Edge Plasmas
Contributions to Plasma Physics, 2008AbstractThe reduced descriptions of the distribution of impurities over ionization states, radiation losses and plasma dynamics are reviewed. Two and three most important ion approximation for light impurities and continuous descriptions of heavy impurities are discussed. Reduced descriptions of atomic processes like ionization, photo‐ and dielectronic
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Influence of impurity seeding on the plasma radiation in the EAST tokamak
Plasma Science and Technology, 2018Plasma radiation characteristics in EAST argon (Ar) gas and neon (Ne) gas seeding experiments are studied. The radiation profiles reconstructed from the fast bolometer measurement data by tomography method are compared with the ones got from the simulation program based on corona model.
Liping DONG +9 more
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Physica Scripta
Abstract Divertor detachment has significant potential for reducing the divertor target thermal load, and impurity seeding is the primary method for achieving divertor detachment. In this study, different impurity seeding scenarios (N, Ne, and Ar) at the boundary region of HL-2A were simulated using the SOLPS-ITER code.
Hao Ran Ye +8 more
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Abstract Divertor detachment has significant potential for reducing the divertor target thermal load, and impurity seeding is the primary method for achieving divertor detachment. In this study, different impurity seeding scenarios (N, Ne, and Ar) at the boundary region of HL-2A were simulated using the SOLPS-ITER code.
Hao Ran Ye +8 more
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Study on the impact of N/Ne impurity seeding on neutrals in HL-2A tokamak
Physics of Plasmas, 2023Zhong Yijun, Dan Du, Chengzhi Cao
exaly
Barley seeds cleaning from hard-separable impurities
Far Eastern Agrarian Herald, 2022Andrey A. Abiduev +3 more
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