Home > Publications database > Determination of tungsten sources in the JET-ILW divertor by spectroscopic imaging in the presence of a strong plasma continuum > print |
001 | 864238 | ||
005 | 20240711113851.0 | ||
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100 | 1 | _ | |a Huber, Alexander |0 P:(DE-Juel1)130040 |b 0 |e Corresponding author |u fzj |
245 | _ | _ | |a Determination of tungsten sources in the JET-ILW divertor by spectroscopic imaging in the presence of a strong plasma continuum |
260 | _ | _ | |a Amsterdam [u.a.] |c 2019 |b Elsevier |
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520 | _ | _ | |a The identification of the sources of atomic tungsten and the measurement of their radiation distribution in front of all plasma-facing components has been performed in JET with the help of two digital cameras with the same two-dimensional view, equipped with interference filters of different bandwidths centred on the W I (400.88 nm) emission line. A new algorithm for the subtraction of the continuum radiation was successfully developed and is now used to evaluate the W erosion even in the inner divertor region where the strong recombination emission is dominating over the tungsten emission. Analysis of W sputtering and W redistribution in the divertor by video imaging spectroscopy with high spatial resolution for three different magnetic configurations was performed. A strong variation of the emission of the neutral tungsten in toroidal direction and corresponding W erosion has been observed. It correlates strongly with the wetted area with a maximal W erosion at the edge of the divertor tile. |
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700 | 1 | _ | |a Sergienko, G. |0 P:(DE-Juel1)130158 |b 4 |
700 | 1 | _ | |a Borodkina, Irina |0 P:(DE-Juel1)171707 |b 5 |
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700 | 1 | _ | |a Matthews, G. F. |0 P:(DE-HGF)0 |b 10 |
700 | 1 | _ | |a Mertens, P. h. |0 P:(DE-Juel1)4596 |b 11 |
773 | _ | _ | |a 10.1016/j.nme.2018.12.009 |g Vol. 18, p. 118 - 124 |0 PERI:(DE-600)2808888-8 |p 118 - 124 |t Nuclear materials and energy |v 18 |y 2019 |x 2352-1791 |
856 | 4 | _ | |y OpenAccess |u https://juser.fz-juelich.de/record/864238/files/1-s2.0-S2352179118301406-main.pdf |
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