Zobrazeno 1 - 10
of 80
pro vyhledávání: '"N.N. Aksenov"'
Autor:
I.E. Garkusha, V.A. Makhlai, S.S. Herashchenko, M.S. Ladygina, N.N. Aksenov, O.V. Byrka, Yu.V. Petrov, Y.E. Volkova, N.V. Kulik, V.V. Staltsov, D.V. Yelisyeyev
Publikováno v:
Nuclear Fusion, Vol 64, Iss 5, p 056010 (2024)
The paper presents experimental studies of a shielding plasma layer formation in front of a tungsten surface exposed with hydrogen plasma in the QSPA-M test-bed facility under the conditions of additional seeding of argon (Ar) along the target surfac
Externí odkaz:
https://doaj.org/article/754db58ab6d7469aaeffee2018117c5f
Autor:
V.A. Makhlai, I.E. Garkusha, S.S. Herashchenko, N.N. Aksenov, O.V. Byrka, V.V. Chebotarev, N.V. Kulik, S.I. Lebedev, P.B. Shevchuk, V.V. Staltsov, Yu. V. Petrov
Publikováno v:
Nuclear Materials and Energy, Vol 19, Iss , Pp 493-497 (2019)
This paper is focused on the analysis of surface tension contribution to the erosion features of tungsten resolidified surfaces and resulting material response to a large number of repetitive transient hydrogen plasma impacts. Experimental investigat
Externí odkaz:
https://doaj.org/article/b50bc42ddc7c4820b731364022dcea08
Autor:
V.A. Makhlai, I.E. Garkusha, J. Linke, S.V. Malykhin, N.N. Aksenov, O.V. Byrka, S.S. Herashchenko, S.V. Surovitskiy, M. Wirtz
Publikováno v:
Nuclear Materials and Energy, Vol 9, Iss C, Pp 116-122 (2016)
The damage of deformed double forged pure tungsten (W) and tungsten alloyed with 5wt% tantalum (WTa5) have been studied in experimental simulations of ITER-like transient events with relevant surface heat load parameters (energy density up to 0.75MJ/
Externí odkaz:
https://doaj.org/article/e3446020901742fe90605091e3949288
Autor:
V.A. Makhlai, S.S. Herashchenko, Yu.V. Petrov, M.S. Ladygina, N.N. Aksenov, V.V. Chebotarev, N.V. Kulik, V.V. Staltsov, D.V. Yelisyeyev, Y.E. Volkova, T.M. Merenkova
Publikováno v:
Problems of Atomic Science and Technology. :63-66
The synergistic effects of tungsten exposure to combined hydrogen and helium particle fluxes as well as transient thermal loads need to be extensively studied for implementation of fusion reactor project. The mixture of hydrogen and helium was used a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e9e7f5742850c63da1bc46e7e5f18585
https://doi.org/10.46813/2023-143-063
https://doi.org/10.46813/2023-143-063
Autor:
S.S. Herashchenko, Igor E. Garkusha, А.G. Chunadra, S.V. Malykhin, К.N. Sereda, H.K. Marchenko, N.N. Aksenov, O.V. Byrka, V.A. Makhlai, S.V. Surovitskiy
Publikováno v:
Problems of Atomic Science and Technology. :191-194
Experimental studies of surface modification of Eurofer samples have been performed with a quasi-stationary plasma accelerator QSPA Kh-50. The heat load on the surface was near the tungsten melting threshold (i.e. about 0.6 MJ/m2). The plasma streams
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e7de59142c1554e01931bd10fd37b233
https://doi.org/10.46813/2021-134-191
https://doi.org/10.46813/2021-134-191
Autor:
S.S. Herashchenko, V.A. Makhlai, I.E. Garkusha, Yu.V. Petrov, N.N. Aksenov, O.V. Byrka, V.V. Cheboratev, N.V. Kulik, V.V. Staltsov, P.B. Shevchuk, T.W. Morgan
Publikováno v:
Fusion Engineering and Design. 190:113527
This work presents experimental studies of plasma surface interactions (PSIs) during QSPA plasma impacts on the Sn Capillary Porous Structures (CPSs) in conditions, simulating disruption and ELM-like loads. The 3D tungsten target filled by Sn was exp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1c55b6bf00829f4ff50488e226220614
https://doi.org/10.1016/j.fusengdes.2023.113527
https://doi.org/10.1016/j.fusengdes.2023.113527
Autor:
M. Tokitani, S.S. Herashchenko, S.V. Surovitskiy, V.A. Makhlaj, Igor E. Garkusha, S. Masuzaki, Marius Wirtz, P.B. Shevchuk, N.N. Aksenov, S.V. Malykhin, S.I. Lebedev, Yu. V. Petrov, O.V. Byrka
Publikováno v:
Problems of Atomic Science and Technology. :78-82
The cracking thresholds were evaluated for tungsten samples with different microstructure in the course of QSPA Kh-50 repetitive plasma loads. No damage has been observed on the exposed surfaces under 0.1 MJ/m2. Nevertheless, cracks were detected in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::92774978f90fe57685ed39220ecaad25
https://doi.org/10.46813/2020-130-078
https://doi.org/10.46813/2020-130-078
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Autor:
Yu. V. Petrov, P.B. Shevchuk, S.S. Herashchenko, S.I. Lebedev, V.V. Staltsov, Igor E. Garkusha, O.V. Byrka, V.A. Makhlai, V.V. Chebotarev, N.N. Aksenov, N.V. Kulik
Publikováno v:
Nuclear Materials and Energy, Vol 19, Iss, Pp 493-497 (2019)
Nuclear Materials and Energy
Nuclear Materials and Energy
This paper is focused on the analysis of surface tension contribution to the erosion features of tungsten resolidified surfaces and resulting material response to a large number of repetitive transient hydrogen plasma impacts. Experimental investigat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4755fd480d291f2a0425b499b1419be0
http://www.sciencedirect.com/science/article/pii/S2352179118301066
http://www.sciencedirect.com/science/article/pii/S2352179118301066
Autor:
S.S. Herashchenko, S.V. Malykhin, Igor E. Garkusha, S.V. Surovitskiy, M. Myroshnyk, V.A. Makhlai, I.O. Bizyukov, O. I. Girka, O. Bizyukov, S.S. Borisova, N.N. Aksenov
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
Tungsten samples were exposed to sequential steady-state (particle flux of 1022 m-2 s−1, heat flux of 1.7 MW/m2) and pulsed (surface heat load of 0.45 MJ/m2, pulse duration of 0.25 ms) hydrogen plasmas. Several steps of the steady-state irradiation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::84bef2f383589bcb063a650c1b5348c3
https://doi.org/10.1016/j.nimb.2018.12.010
https://doi.org/10.1016/j.nimb.2018.12.010