Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Yurii Kovtun"'
Autor:
Vladimir E. Moiseenko, Demyan Baron, Oleksiy V. Lozin, Y.V. Siusko, Yurii Kovtun, Mikhaylo Bondarenko, Viktor Listopad, Alexander Krasyuk, Valeriy Korovin, S.M. Maznichenko, Oleksiy Konotops`kyy, A. M. Shapoval, Igor Tarasov, Egor Kramsky, Gennadiy Glazunov, Mykhailo Kozulia
Publikováno v:
Science and Innovation. 17:33-43
Introduction. It is important to decrease light and heavy impurities influxes towards the plasma volume during the high temperature plasma experiments in fusion devices. This is why the conditioning of the wall inner vacuumsurfaces is a basic part of
Autor:
Riccardo Ragona, Marek Rubel, Yurii Kovtun, A. Goriaev, Tom Wauters, Dirk Nicolai, Christian Linsmeier, Per Petersson, Sören Möller, S. Brezinsek, Sunwoo Moon, Per Brunsell
Publikováno v:
Physica scripta 96(12), 124025-(2021). doi:10.1088/1402-4896/ac2494
Electron- (ECWC) and ion- (ICWC) cyclotron wall conditioning are essential means for controlled fusion to modify the surface state of plasma-facing components in order to reduce impurity generation and fuel accumulation in the wall. Development of EC
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8a67c97d2a5f89f835d4d7e15e7830bb
https://juser.fz-juelich.de/record/910661
https://juser.fz-juelich.de/record/910661
Autor:
Motonari Kanda, Heinrich P. Laqua, Dirk Hartmann, Y. Takemura, Yevgen Kazakov, Ryosuke Seki, Tetsuo Seki, G. Fuchert, Shuji Kamio, Samuel Lazerson, R. Brakel, Tom Wauters, J. Ongena, Kenji Saito, Vladimir E. Moiseenko, Andreas Dinklage, Igor E. Garkusha, H. Thomsen, J Arturo Alonso, Yurii Kovtun, Torsten Stange, Hiroshi Kasahara, Goro Nomura
Publikováno v:
Nuclear Fusion
S. Kamio et al 2021 Nucl. Fusion 61 114004
S. Kamio et al 2021 Nucl. Fusion 61 114004
The results of the first experimental series to produce a plasma using the ion cyclotron range of frequency (ICRF) in the large helical device (LHD) within the minority scenario developed at Uragan-2M (U-2M) are presented. The motivation of this stud
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9c89b9c807af8fc742d8dcd020dbb653
https://hdl.handle.net/21.11116/0000-0009-5EEA-721.11116/0000-0009-5EEC-5
https://hdl.handle.net/21.11116/0000-0009-5EEA-721.11116/0000-0009-5EEC-5
Autor:
Yurii Kovtun, Igor Garkusha
Publikováno v:
Ukrainian Journal of Physics. 61:12-21
Autor:
Yurii Kovtun, Igor Garkusha
Publikováno v:
Technical Physics. 60:1110-1118
The cost of ionization of a water molecule by an electron impact is calculated on the basis of two models with identical initial data and compared with available data from the literature. The results of calculations show that the ionization cost for
Publikováno v:
Scopus-Elsevier
Conditions of gas discharge burn in a Penning geometry the gradient magnetic field have been investigated. The values of the ignition voltage and volt-ampere characteristics of the gas discharge depending on the working gas pressure without and with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::cbe7301e711e69d87122199c24bb7e8f
http://dspace.nbuv.gov.ua/handle/123456789/122153
http://dspace.nbuv.gov.ua/handle/123456789/122153
Publikováno v:
Journal of Physics: Conference Series. 1197:012001
The calculation of ray tracing for microwaves at 36 GHz frequency depending on the different maximum values of density was made. The calculation showed when rays hit or do not hit into the horn antenna shifted at angle 60° degrees with respect to th
Publikováno v:
Scopus-Elsevier
A possibility of determining some parameters (density, collision rate, magnetic field strength, mass-and-ion charge) of the plasma being in a magnetic field is under consideration. Peculiarities in the change of probing wave refraction and absorption
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::04da842ff2716d4db91189047c92b825
http://dspace.nbuv.gov.ua/handle/123456789/81935
http://dspace.nbuv.gov.ua/handle/123456789/81935
Publikováno v:
Scopus-Elsevier
Web of Science
Web of Science
For the first time the rotational velocity of plasma layers with np = ncr^1,2 in the gas-metal plasma medium of the reflex discharge was determined using the two-frequency microwave fluctuation reflectometry. The measurement results demonstrated that
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::11cc66de184b60d8a68daa0ddd6f6d80
http://dspace.nbuv.gov.ua/handle/123456789/17488
http://dspace.nbuv.gov.ua/handle/123456789/17488
Autor:
Anatoliy Kasimov, Yevhen Shpinda, Oleksii Horbov, Yurii Kovtunov, Igor Kolobov, Yuri Krasnoshapka
Publikováno v:
Сучасні інформаційні системи, Vol 3, Iss 3 (2019)
The subject matter of the article is the process of troubleshooting a BMP-2 fire control system The goal of the study is the developing a fault finding algorithm in this system and to offer suggestions for improving the technical characteristics of t
Externí odkaz:
https://doaj.org/article/1261ba6ce21b4a64bb93d295675195e9