Zobrazeno 1 - 10
of 68
pro vyhledávání: '"Igor V. Uimanov"'
Autor:
Yuriy I. Mamontov, Yuriy A. Zemskov, Igor V. Uimanov, Nikolay M. Zubarev, Andrey V. Kaziev, Maxim M. Kharkov, Sergey A. Barengolts
Publikováno v:
IEEE Transactions on Plasma Science. 50:2720-2728
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b27d9d6fd8a0b6b71bc3cd71b42c56b9
https://doi.org/10.1109/tps.2022.3193177
https://doi.org/10.1109/tps.2022.3193177
Publikováno v:
IEEE Transactions on Plasma Science. 49:2589-2598
An investigation of runaway electron (RE) kinetics under the influence of a strongly inhomogeneous electric field was carried out by means of 2-D analytical and 2-D numerical Monte–Carlo approaches. Several shapes of cathodes generating an inhomoge
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::48e74c1a60f7780a44b272ecf7b8694b
https://doi.org/10.1109/tps.2021.3082693
https://doi.org/10.1109/tps.2021.3082693
Autor:
Yuriy I. Mamontov, Sergey A. Barengolts, Igor V. Uimanov, Yuriy A. Zemskov, Nikolay M. Zubarev, Andrey V. Kaziev
Publikováno v:
2020 29th International Symposium on Discharges and Electrical Insulation in Vacuum (ISDEIV).
The investigation of the He-induced W "fuzz" electrical properties was carried out. For the research, an automated experimental setup was designed. The setup was based on a vacuum chamber operated under high vacuum condition (~10-7 Pa). The vacuum di
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::67e5f5e4c55d4cb606feaf038247be04
https://doi.org/10.1109/isdeiv46977.2021.9587227
https://doi.org/10.1109/isdeiv46977.2021.9587227
Publikováno v:
2020 29th International Symposium on Discharges and Electrical Insulation in Vacuum (ISDEIV).
The simulation of the influence of an external axial magnetic field on the fluxes of ionized and neutral deuterium against the background of a plasma zirconium jet from a group cathode spot is carried out. It is shown that a significant part of deute
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::438ea9cf472d93b9152d560a0cc7cfca
https://doi.org/10.1109/isdeiv46977.2021.9587266
https://doi.org/10.1109/isdeiv46977.2021.9587266
Autor:
Igor V. Uimanov, V. P. Frolova, Efim Oks, S. A. Barengolts, Konstantin P. Savkin, Dmitry L. Shmelev, Alexey G. Nikolaev, G. Yu. Yushkov
Publikováno v:
2020 29th International Symposium on Discharges and Electrical Insulation in Vacuum (ISDEIV).
An experimental and theoretical study of the content of deuterium ions in the arc discharge plasma was performed for deuterated zirconium cathodes. It was found experimentally that in a high-current arc mode with a current pulse duration of several m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::611b1529b0be8dedbc0b469d2aa56677
https://doi.org/10.1109/isdeiv46977.2021.9586821
https://doi.org/10.1109/isdeiv46977.2021.9586821
Autor:
Yury A. Zemskov, Igor V. Uimanov
Publikováno v:
2020 29th International Symposium on Discharges and Electrical Insulation in Vacuum (ISDEIV).
Molybdenum and Copper-Chromium samples were used as the vacuum arc cathodes in the 4-microsecond vacuum arc discharge. The pulse source was an LC-line with a quasi-rectangular pulse shape. Arc current varied from units of ampere to 125 A. Charge stat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::84fc588ef512e2917d08b17ede222f9f
https://doi.org/10.1109/isdeiv46977.2021.9587170
https://doi.org/10.1109/isdeiv46977.2021.9587170
Autor:
Igor V. Uimanov, Yury A. Zemskov
Publikováno v:
2020 29th International Symposium on Discharges and Electrical Insulation in Vacuum (ISDEIV).
This article summarizes observations on the features of the energy spectra and the charge distribution of ions in the plasma of microsecond low-current vacuum arcs in non-stationary regimes. The underlying data were obtained in the study of variation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::64e1ed85d272bbef6921e40439928db2
https://doi.org/10.1109/isdeiv46977.2021.9586919
https://doi.org/10.1109/isdeiv46977.2021.9586919
Publikováno v:
2020 29th International Symposium on Discharges and Electrical Insulation in Vacuum (ISDEIV).
A two-dimensional kinetic simulation of the expansion of the current-carrying plasma of the cathode spot of a vacuum arc is carried out. The modeling was performed by Particle-in-Cell and Direct Simulation Monte Carlo methods. The processes of ioniza
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d5dbe3d6f5953cbd49881b5e5e800728
https://doi.org/10.1109/isdeiv46977.2021.9586863
https://doi.org/10.1109/isdeiv46977.2021.9586863
Autor:
Ilya Muzyukin, Igor V. Uimanov, Dmitry L. Shmelev, P. S. Mikhailov, S. A. Chaikovsky, Yu. A. Zemskov
Publikováno v:
2020 29th International Symposium on Discharges and Electrical Insulation in Vacuum (ISDEIV).
This paper contains the results of the high- current vacuum arc study. Plasma ions scatter diagrams were obtained. A current pulse with a duration of 15 μs and with a maximum of 6 μs was used to produce the arc. Also, in this work, plasma flow was
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3d1a9b3622dbbb6baff83a78d55cd5b9
https://doi.org/10.1109/isdeiv46977.2021.9587059
https://doi.org/10.1109/isdeiv46977.2021.9587059
Publikováno v:
2020 29th International Symposium on Discharges and Electrical Insulation in Vacuum (ISDEIV).
For electrodes exposed to radio frequency electromagnetic fields, it is shown that an increase in electrode temperature on the nanosecond time scale increases the time required for an electrode surface microprotrusion to be heated to the critical tem
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eecb7d8a8ac6b16012e69817c9b6a051
https://doi.org/10.1109/isdeiv46977.2021.9587226
https://doi.org/10.1109/isdeiv46977.2021.9587226