On gas desorption from the tokamak first wall during edge localized modes |
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| Authors: | E. D. Marenkov R. D. Smirnov S. I. Krasheninnikov |
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| Affiliation: | 1. National Nuclear Research University Moscow Engineering and Physics Institute, Kashirskoe sh. 31, Moscow, 115409, Russia
2. University of California, San Diego, 9500 Gilman Dr., La Jolla, California, 92093, USA
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| Abstract: | The effect of gas desorption from the tokamak first wall on the pedestal recovery in the H-mode after an edge-localized-mode burst is considered. Results of FACE code simulations of hydrogen desorption from a beryllium wall are presented. It is found that the wall has a significant effect on plasma processes only at sufficiently low temperatures (of about 400 K), which agrees with qualitative estimates obtained earlier in the zero-dimensional approximation. |
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