Zobrazeno 1 - 10 of 24 pro vyhledávání: '"I. Shkarofsky"'
1
Charge separation at a plasma–wall transition due to the finite ion gyro-radius
Autor: Giovanni Manfredi, A. Ghizzo, M. Shoucri, Pierre Bertrand, Sergei Krasheninnikov, D. J. Sigmar, Oleg Batishchev, I. Shkarofsky, A. A. Batishcheva
Publikováno v: Journal of Nuclear Materials. :873-876
An Eulerian Vlasov gyrokinetic code is developed for the investigation of a plasma in E → × B → flow. The charge separation at a plasma–wall transition due to finite ion gyro-radius is studied. The model is two-dimensional in space and consist
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::58b0ceeb28841f4c7b3ee94a5a3ff9c4
https://doi.org/10.1016/s0022-3115(98)00846-0
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2
Kinetic modeling of the transport in the SOL of TdeV during LH current drive and ELM bursts
Autor: I. Shkarofsky, D. J. Sigmar, R. Décoste, A. A. Batishcheva, M. Shoucri, G.W. Pacher, J.-L. Gauvreau, P. Jacquet, Oleg Batishchev
Publikováno v: Journal of Nuclear Materials. :1202-1206
Fully kinetic plasma–neutrals Fokker–Planck code ALLA is used to simulate the transport properties of the scrape-off layer (SOL) plasmas of Tokamak-de-Varennes during lower hybrid (LH) current drive and edge localized modes (ELM) bursts. During L
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::369793fbca0ed50935ebbddf36929c73
https://doi.org/10.1016/s0022-3115(98)00860-5
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4
A kinetic model of transient effects in tokamak edge plasmas
Autor: Peter J. Catto, A. A. Batishcheva, I. Shkarofsky, Sergei Krasheninnikov, M. M. Shoucri, D. J. Sigmar, Oleg Batishchev
Publikováno v: Physics of Plasmas. 3:1634-1639
Fluid descriptions are not adequate for edge plasma studies when the high collision frequency assumption fails in the presence of rapid transient processes. The results of analytic and numerical modeling of some of the non‐Maxwellian features of ed
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5707b46618c528a51544c9193a179bd1
https://doi.org/10.1063/1.872023
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5
Collisionless Diffusion of Particles and Current Across a Magnetic Field in Beam/Plasma Interaction
Autor: Timo Pättikangas, M. Shoucri, Pierre Bertrand, I. Shkarofsky, E. Fijalkow, A. Ghizzo, Marc R. Feix, Seppo Karttunen, Giovanni Manfredi, Rainer Salomaa
Publikováno v: Manfredi, G, Shoucri, M, Shkarofsky, I, Ghizzo, A, Bertrand, P, Fijalkov, E, Feix, M, Karttunen, S, Pättikangas, T & Salomaa, R 1996, ' Collisionless diffusion of particles and current across a magnetic field in beam/plasma interaction ', Fusion Technology, vol. 29, no. 2, pp. 244-260 . https://doi.org/10.13182/FST96-A30711
A drift-kinetic Eulerian Vlasov code with fluid equations for the ions is used to study the collisionless diffusion of particles and current across a magnetic field for the case of an electron beam injected near the edge of a two-dimensional magnetiz
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c8c3f646d0a0f280e0f4bbbd8ed0d219
https://doi.org/10.13182/fst96-a30711
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6
Fokker-Planck Simulation of Electron Transport in SOL Plasmas with ALLA Code
Autor: I. Shkarofsky, Sergei Krasheninnikov, D. J. Sigmar, Oleg Batishchev, M. M. Shoucri, A. A. Batishcheva
Publikováno v: Contributions to Plasma Physics. 36:235-239
The recently developed Fokker-Planck code ALLA [1] permits us to simulate the temporal evolution collisional edge plasmas in 1D in space, 1V in velocity space. It was used to simulate the SOL parallel electron flow in Alcator C-Mod (PFC MIT) and TdeV
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a38dce24c6cbcf855b990d14773e5cb1
https://doi.org/10.1002/ctpp.2150360225
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7
A fast 2D Fokker-Planck solver with synergetic effects
Autor: I. Shkarofsky, M. Shoucri
Publikováno v: Computer Physics Communications. 82:287-305
Solution of the 2D relativistic quasilinear Fokker-Planck equation is highly desirable in problems of numerical simulation of RF current drive in tokamak plasmas, especially in codes coupling ray-tracing and transport. For practicality, a fast Fokker
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::de3bfd104b038f9d85c108e791fe97cb
https://doi.org/10.1016/0010-4655(94)90174-0
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8
A Fokker-Planck code for the numerical solution of the plasma heating and the current drive problems with synergetic effects
Autor: M. Shoucri, I. Shkarofsky
Publikováno v: Computer Physics Communications. 78:199-210
A code developed to solve the quasilinear 2-D Fokker-Planck equation and previously applied to study the synergetic effect of lower hybrid current drive (LHCD) with electron cyclotron (EC) heating [Comput. Phys. Commun. 55 (1989) 253] is generalized
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c7743690137955e2e0d4c5a469b9fd4c
https://doi.org/10.1016/0010-4655(93)90155-6
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9
Collisional relaxation of the r.f.-formed plateau of a distribution function
Autor: I Shkarofsky, M Shoucri
Publikováno v: Plasma Physics and Controlled Fusion. 33:1103-1107
The relaxation due to Coulomb collision of the plateau of the electron distribution function in the post-r.f. phase, after the lower hybrid r.f. power has been removed, is investigated numerically. The authors show that in the process of this collisi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bfaab56461f9d0503000b18935b23533
https://doi.org/10.1088/0741-3335/33/9/007
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10
Vlasov simulations of spectral and fast electron features in lower hybrid current drive
Autor: I. Shkarofsky, M. Shoucri, Pierre Bertrand, Seppo Karttunen, Alain Ghizzo, Rainer Salomaa, Timo Pättikangas
Publikováno v: Karttunen, S, Pättikangas, T, Salomaa, R, Shourcri, M, Shkarofsky, I, Bertrand, P & Ghizzo, A 1999, ' Vlasov simulations of spectral and fast electron features in lower hybrid current drive ', Physica Scripta, vol. 60, no. 4, pp. 356-364 . https://doi.org/10.1238/Physica.Regular.060a00356
An Eulerian drift-kinetic Vlasov code is used to study the interaction of lower hybrid (LH) waves with a plasma slab. We investigate the evolution of the LH spectrum, as well as the formation and evolution of the tail of the distribution function, as
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::38232c6dcdf172111db1e6cdd2c01671
https://cris.vtt.fi/en/publications/0a799ff5-f990-43d1-8109-4269993f141f
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