Zobrazeno 1 - 10
of 363
pro vyhledávání: '"B.E. Koel"'
Publikováno v:
Frontiers in Physics, Vol 11 (2023)
Sputtering, reflection, and retention processes at amorphous and crystalline lithium hydride surfaces due to impact of low energy (1–100 eV) hydrogen and deuterium atoms over the range of 0o −85o angle of incidence at 300 K surface temperature we
Externí odkaz:
https://doaj.org/article/b170931c3288498f85927b8a9d509088
Autor:
S. Abe, C.H. Skinner, I. Bykov, Y.W. Yeh, A. Lasa, J. Coburn, D.L. Rudakov, C.J. Lasnier, H.Q. Wang, A.G. McLean, T. Abrams, B.E. Koel
Publikováno v:
Nuclear Materials and Energy, Vol 27, Iss , Pp 100965- (2021)
We report the first detailed experimental verification of the polar deuterium ion impact angle distribution (IAD) on the DIII-D divertor surface in L-mode plasmas using micro-engineered trenches in samples mounted on the DiMES probe. These trenches w
Externí odkaz:
https://doaj.org/article/fc0baa36cf5e44f7913c5c2b8b50792d
Publikováno v:
Nuclear Materials and Energy, Vol 19, Iss , Pp 161-165 (2019)
Lithium (Li) coating of plasma-facing components (PFC) has led to improved plasma performance in fusion experiments due to the effectiveness of Li in retaining hydrogen (H) isotopes and thus reducing recycling. Since Li readily reacts with background
Externí odkaz:
https://doaj.org/article/3d5a85bcec6344689028cbc130542bb7
Publikováno v:
Nuclear Materials and Energy, Vol 19, Iss , Pp 411-415 (2019)
Conditioning of plasma facing components (PFCs) using lithium (Li) evaporation has shown to improve plasma performance in fusion devices by imposing low recycling boundary conditions. It is important to understand the retention and sputtering dynamic
Externí odkaz:
https://doaj.org/article/dc57f9a59aa94626a0b576d4cc3217ff
Publikováno v:
Nuclear Materials and Energy, Vol 18, Iss , Pp 35-40 (2019)
Tokamak plasma facing components have surface roughness that can cause microscopic spatial variations in erosion and deposition and hence influence material migration, erosion lifetime, dust and tritium accumulation, and plasma contamination. However
Externí odkaz:
https://doaj.org/article/ea57eeffd81f4892b6fed0bf1091cc96
Autor:
L. Buzi, M. Yeh, Y-W. Yeh, O.K. Donaldson, M.I. Patino, J.R. Trelewicz, N. Yao, R. Doerner, B.E. Koel
Publikováno v:
Nuclear Materials and Energy, Vol 21, Iss , Pp - (2019)
Tungsten (W), a primary candidate for the plasma-facing components of nuclear fusion reactors (e.g. the divertor region in ITER) is susceptible to cracks, blisters, bubbles, and other morphological changes when irradiated with energetic particles. Th
Externí odkaz:
https://doaj.org/article/aab3f0eec0d5445da566954ba39ebb03
Autor:
C. H Skinner, F. Bedoya, F. Scotti, J.P. Allain, W. Blanchard, D. Cai, M. Jaworski, B.E. Koel
Publikováno v:
Nuclear Materials and Energy, Vol 12, Iss , Pp 744-748 (2017)
Boronization has been effective in reducing plasma impurities and enabling access to higher density, higher confinement plasmas in many magnetic fusion devices. The National Spherical Torus eXperiment, NSTX, has recently undergone a major upgrade to
Externí odkaz:
https://doaj.org/article/4f7f2d8e843245028bab58212906917d
Publikováno v:
Nuclear Materials and Energy, Vol 12, Iss , Pp 1248-1252 (2017)
An innovative PFC diagnostic, the Materials Analysis Particle Probe (MAPP) was used to study the chemistry of Plasma Facing Components (PFCs) in the National Spherical Tokamak Experiment Upgrade (NSTX-U). NSTX-U used boronization as conditioning stra
Externí odkaz:
https://doaj.org/article/bda436d155b14138994fc50e985fc31c
Akademický článek
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Publikováno v:
Journal of Nuclear Materials. 568:153848
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7763cbb644565c3cff649e309b1eb0fd
https://doi.org/10.1016/j.jnucmat.2022.153848
https://doi.org/10.1016/j.jnucmat.2022.153848