Influence of hydrogen content in tokamak scrape-off-layer on performance of lithium divertor

Autor: E.D. Marenkov, A.A. Pshenov

Publikováno v: Nuclear Fusion, Vol 65, Iss 1, p 016031 (2024)

Self-replenishing liquid metal coatings are considered as a perspective divertor design able to withstand challenging particle and power loads of a fusion tokamak-reactor. Numerical modeling of the scrape-of-layer (SOL) plasma with advanced 2D codes,

Externí odkaz: https://doaj.org/article/e147c0f3bdc34aa4acaca540ec8cef9a

Assessment of laser induced breakdown spectroscopy accuracy for determination of hydrogen accumulation in tungsten

Autor: E.D. Marenkov, I.P. Tsygvintsev, Yu.M. Gasparyan, A.A. Stepanenko

Publikováno v: Nuclear Materials and Energy, Vol 28, Iss , Pp 101029- (2021)

Laser-induced breakdown spectroscopy (LIBS) is an in situ method of determining hydrogen (H) content in plasma-facing materials in tokamak fusion reactors. Observing radiation from the plasma plume produced by a powerful laser pulse during the target

Externí odkaz: https://doaj.org/article/2fa6dc7375cf49e2b885f86caca6d38d

ERO modeling of beryllium erosion by helium plasma in experiments at PISCES-B

Autor: S. Brezinsek, Ch. Linsmeier, I. Borodkina, R.P. Doerner, D. Borodin, Juri Romazanov, Daisuke Nishijima, Arkadi Kreter, E.D. Marenkov, A. Eksaeva, A. Kirschner

Publikováno v: Nuclear materials and energy 12, 1157-1162 (2017). doi:10.1016/j.nme.2017.05.004
Nuclear Materials and Energy
Nuclear Materials and Energy, Vol 12, Iss, Pp 1157-1162 (2017)

The beryllium erosion by helium plasma irradiation is studied at the PISCES-B linear plasma device and interpreted using the accompanying simulations by the ERO code. The influence of plasma conditions and varying negative biasing of the Be plasma ta

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c74f9615db8eb3319e4b61aec2451491
https://doi.org/10.1016/j.nme.2017.05.004

On hydrogen transport in the first wall material of fusion devices in the presence of a broadband distribution of traps over the trapping energy

Autor: Sergei Krasheninnikov, E.D. Marenkov

Publikováno v: Physics Letters A. 378:1526-1530

The dynamics of hydrogen dissolved in a sample with continuous distribution of traps over trapping energy φ ( e ) ∝ exp ( − α e ) ( e = E / T is the ratio of trapping energy E to the sample's temperature T) is considered. Assuming that the hydr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4accb131a63f40024cd7f633958d81ba
https://doi.org/10.1016/j.physleta.2014.04.002

On gas desorption from the tokamak first wall during edge localized modes

Autor: E.D. Marenkov, Roman Smirnov, Sergei Krasheninnikov

Publikováno v: Plasma Physics Reports. 39:867-872

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

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::67872e16d6a33472458fe92f4a858249
https://doi.org/10.1134/s1063780x13100085