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Computational study of tungsten sputtering by nitrogen

Autor: Flyura Djurabekova, Kai Nordlund, Jussi Polvi, E. Safi, A. Lyashenko

Publikováno v: Journal of Nuclear Materials. 542:152465

Gaseous nitrogen is planned to be used as a seeding species to control the power flux in future fusion reactors with ITER-like divertors. Nitrogen interacts with the first wall materials, particularly with tungsten, leading to sputtering and changes

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::19c137c4d40446e0e9a12db30891421c
https://doi.org/10.1016/j.jnucmat.2020.152465

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Experimental estimation of tungsten impurity sputtering due to Type I ELMs in JET-ITER-like wall using pedestal electron cyclotron emission and target Langmuir probe measurements

Autor: T. Eich, J. Horacek, Jet Contributors, A. Kirschner, J. W. Coenen, E. de la Luna, G. F. Matthews, David Moulton, I. Borodkina, A. G. Meigs, M. G. O'Mullane, Stéphane Devaux, A. Autricque, C. Guillemaut, S. Brezinsek, G. Arnoux, Bruce Lipschultz, J. E. Boom, M.F. Stamp, A. Jardin, D. Harting

Publikováno v: idUS. Depósito de Investigación de la Universidad de Sevilla
instname
Physica Scripta
Physica Scripta, IOP Publishing, 2016, ⟨10.1088/0031-8949/2015/T167/014005⟩
idUS: Depósito de Investigación de la Universidad de Sevilla
Universidad de Sevilla (US)
Physica Scripta, 2016, ⟨10.1088/0031-8949/2015/T167/014005⟩

The ITER baseline scenario, with 500 MW of DT fusion power and Q = 10, will rely on a Type I ELMy H-mode and will be achieved with a tungsten (W) divertor. W atoms sputtered from divertor targets during mitigated ELMs are expected to be the dominant

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fc84808c4cc53cb958150a2cbf2e6371

Characterization of energetic and thermalized sputtered tungsten atoms using tuneable diode-laser induced fluorescence in direct current magnetron discharge

Autor: M Desecures, L. de Poucques, Jamal Bougdira

Publikováno v: Plasma Sources Science and Technology
Plasma Sources Science and Technology, IOP Publishing, 2015, 24 (1), pp.015012. ⟨10.1088/0963-0252/24/1/015012⟩

In this study a tuneable diode-laser induced fluorescence (TD-LIF) technique (λ0 = 407.4358 nm) is used to determine the atoms' velocity distribution function (AVDF) of energetic and thermalized sputtered tungsten (W) atoms in direct current magnetr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::949a681e9e6ae997195ef8512a852c59