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Перегляд Bопросы атомной науки и техники, 2005 за темою "Magnetic confinement"

Репозиторій DSpace/Manakin

Перегляд Bопросы атомной науки и техники, 2005 за темою "Magnetic confinement"

Сортувати за: Порядок: Результатів:

  • Calculations of the magnetic well determined by different plasma pressure profiles and an external transverse magnetic field in the torsatron 
    Tyupa, V.I.; Pinos, I.B. (Вопросы атомной науки и техники, 2005)
    The present paper deals with the calculations of a relative magnetic-well depth in a torsatron using the formulas of averaging over magnetic surfaces. The calculations were made for different functions of vacuum angles of ...
  • Characteristics of edge plasma turbulence in spontaneous change of confinement mode in the URAGAN-3M torsatron 
    Sorokovoy, E.L.; Grigor’eva, L.I.; Chechkin, V.V.; Volkov, Ye.D.; Sorokovoy, Ye.L.; Burchenko, P.Ya.; Tsybenko, S.A.; Lozin, A.V.; Litvinov, A.P.; Masuzaki, S.; Yamazaki, K. (Вопросы атомной науки и техники, 2005)
    It is shown that in the Uragan-3M torsatron under conditions of spontaneous change of confinement mode caused by formation of an internal transport barrier, a layer with the E×B velocity shear appears at the boundary of ...
  • Creation, accumulation and confinement of non-neutral plasmas in stellarator magnetic configuration 
    Volkov, Е.D.; Petrushenya, A.A.; Tarasov, I.K.; Batrakov, A.B.; Lonin, Yu.F.; Rudnev, N.I. (Вопросы атомной науки и техники, 2005)
    The experiments on creation, accumulation and confinement of non-neutral plasma in stellarator system are performed in Institute of Plasma Physics, NSC KIPT. The main goals of these studies are to investigate the behavior ...
  • Development of 2D discharge initiation model in tokamaks 
    Azizov, E.A.; Barkalov, A.D.; Gladush, G.G.; Khayrutdinov, R.R. (Вопросы атомной науки и техники, 2005)
    In this paper the increase of the region of the avalanche breakdown was taken into account while considering of the breakdown voltage as the function of gas pressure. The plasma column form is determined from the 2D ...
  • Divertor flow and particle loss behaviors in spontaneous change of confinement state in the URAGAN-3M torsatron 
    Chechkin, V.V.; Sorokovoy, E.L.; Grigor’eva, L.I.; Slavnyj, A.S.; Sorokovoy, Ye.L.; Volkov, E.D.; Nazarov, N.I.; Burchenko, P.Ya.; Tsybenko, S.A.; Lozin, A.V.; Kulaga, A.Ye.; Litvinov, A.P.; Mironov, Yu.K.; Romanov, V.S.; Masuzaki, S.; Yamazaki, K. (Вопросы атомной науки и техники, 2005)
    Under conditions of spontaneous change of plasma confinement state having been observed recently in the U-3M torsatron with a natural helical divertor, it is shown that at the initial phase of this change all the components ...
  • ECR heating on the WEGA stellarator 
    Podoba, Y.; Horvath, K.; Laqua, H.P.; Lingertat, J.; Otte, M.; Wagner, F.; Holzhauer, E. (Вопросы атомной науки и техники, 2005)
    The plasma in the WEGA stellarator is generated and heated by Electron Cyclotron Resonance Heating (ECRH). The microwave is emitted from the low field side mid-plane with power of up to 6+20 kW and with a frequency of ...
  • Effect of magnetic islands on the impurity flows in NCSX geometry 
    Shishkin, A.; Mynick, H. (Вопросы атомной науки и техники, 2005)
    A new physics idea to protect a plasma from impurity ions with the use of magnetic islands can be examined on the new National Compact Stellarator Experiment device (NCSX), which is under construction at Princeton Plasma ...
  • Electrons cross transfer in multislit electromagnetic trap “Jupiter 2M” 
    Lavrent’ev, O.A.; Maslov, V.A.; Germanova, S.V.; Nozdrachov, M.G.; Oboznyj, V.P.; Shevchuk, B.A.; Skoryk, N.A. (Вопросы атомной науки и техники, 2005)
    The researches of cross electrons transfer in the central and face parts of a trap are carried out. It is shown, that increased electrons transfer in a face part is connected to presence here toroidal area of the superseded ...
  • Feedback effects between resonance surface and space harmonics of external perturbations in tokamak 
    Semenov, I.B.; Mirnov, S.V.; Fredrickson, E.D.; Voznesensky, V.A. (Вопросы атомной науки и техники, 2005)
    Resonant magnetic surfaces in a tokamak can amplify the spatial harmonics of external perturbations, which may come from other resonant surfaces, from error fields, or from a feedback system. The behavior of this active ...
  • Modelling of plasma motion response induced by an external rotating helical perturbation in the HYBTOK-II tokamak 
    Pankratov, I.M.; Omelchenko, A.Ya.; Olshansky, V.V. (Вопросы атомной науки и техники, 2005)
    In addition to the analysis of magnetic perturbation amplitudes [2] a detailed investigation of the plasma motion affected by this external helical magnetic perturbation is carried out near the HYBTOK-II main resonance surface.
  • Neoclassical transport for Uragan-2M in the 1/ν regime 
    Kalyuzhnyj, V.N.; Kasilov, S.V.; Kernbihler, W.; Nemov, V.V.; Seiwald, B. (Вопросы атомной науки и техники, 2005)
    The 1/ν neoclassical transport (effective ripple, εeff) is studied for the torsatron Uragan-2M (see in [1]. For stellarators where the finite plasma pressure causes a weak influence on the equilibrium εeff can be computed ...
  • Peculiarities of plasma fluctuations during RF heating in Uragan-3M torsatron by means of two alfven waves 
    Pavlichenko, O.S.; Skibenko, A.I.; Volkov, E.D.; Berezhniy, V.L.; Ocheretenko, V.L.; Konovalov, V.G.; Kulaga, A.Ye.; Litvinov, A.P.; Pinos, I.B.; Prokopenko, A.V.; Shapoval, A.N.; Shvets, O.M.; Tsybenko, S.A. (Вопросы атомной науки и техники, 2005)
    Three wave interaction has been observed in experiments on Uragan-3M torsatron. Two RF antennas with frequencies Ω1 and Ω2 were used simultaneously for plasma production and heating. Plasma was probed by microwaves, these ...
  • Penetration of electrostatic field through Faraday shield of ICRH strap antenna 
    Moiseenko, V.E. (Вопросы атомной науки и техники, 2005)
    The penetration of electrostatic field outside the shield at the part the antenna faced to plasma is studied in the framework of two-dimensional numerical model. It is shown that single-layer Faraday shield does not have ...
  • Plasma heating and confinement in the GOL-3 multiple mirror trap 
    Burdakov, A.V.; Arzhannikov, A.V.; Astrelin, V.T.; Ivanov, I.A.; Ivantsivsky, M.V.; Koidan, V.S.; Mekler, K.I.; Polosatkin, S.V.; Postupaev, V.V.; Rovenskikh, A.F.; Sinitsky, S.L.; Sulyaev, Yu.S. (Вопросы атомной науки и техники, 2005)
    Experiments on plasma confinement in a multiple mirror configuration are carried out at GOL-3 facility in Novosibirsk. Feature of experiments at this facility is high plasma density (up to 5⋅10²¹ m⁻³ ). High ion temperature ...
  • Radio frequency control of particle detrpping / retrapping process in a stellarator type device 
    Shishkin, A.A.; Tarasov, I.K.; Fedorchenko, V.D. (Вопросы атомной науки и техники, 2005)
    The possibility to study experimentally the effect of AC electric field on the transit particles is considered on the example of the small stellarator device. This study is important for the development of scenario for the ...
  • Recent progress on confinement improvement study and ion heating experiments in LHD 
    Morita, S.; Goto, M.; Morisaki, T.; Takeiri, Y.; Tanaka, K.; Masuzaki, S.; Miyazawa, J.; Murakami, S.; Muto, S.; Mutoh, T.; Narihara, K.; Nozato, H.; M.Osakabe, M.; Sakakibara, S.; Sakamoto, R.; Yamazaki, K.; Yokoyama, M.; Ashikawa, N.; Funaba, H.; Ida, K.; Ikeda, K.; Inagaki, S.; Kaneko, O.; Kawahata, K.; Kubo, S.; Kumazawa, R.; Nagaoka, K.; Nagayama, Y.; Nakamura, Y.; Narushima, Y.; Nishimura, K.; Ohdachi, S.; Ohkubo, K.; Ohyabu, N.; Oka, Y.; Ozaki, T.; Peterson, B.J.; Saito, K.; Sato, K.; Seki, T.; Shzuma, T.; Shoji, M.; Tamura, N.; Toi, K.; Tokuzawa, T.; Tsumori, K.; Watanabe, K.Y.; Watari, T.; Yamada, H.; Yamada, I.; Yoshimura, Y.; Yoshinuma, M.; Komori, A.; Motojima, O. (Вопросы атомной науки и техники, 2005)
    Experimental efforts have been extensively done in Large Helical Device (LHD) to find the key for confinement improvement like H-mode and ITB seen in tokamaks. In outwardly shifted configuration (Rax=4.00m) having an m/n=1/1 ...
  • Separation on velocities of the particles trapped in self-consistent Malmberg-Penning trap 
    Tarasov, I.K.; Maslov, V.I.; Tarasov, M.I.; Volkov, E.D. (Вопросы атомной науки и техники, 2005)
    Coherent structures and conditions of their occurrence in holding configurations have recently attracted the attention of many physicists working on nuclear fusion and nonlinear processes in plasma. Here we discuss the ...
  • Space-time dynamics of low frequency plasma density fluctuations in URAGAN-3 torsatron 
    Berezhniy, V.L.; Skibenko, A.I.; Pavlichenko, O.S.; Volkov, E.D.; Ocheretenko, V.L.; Pinos, I.B.; Tsybenko, S.A. (Вопросы атомной науки и техники, 2005)
    Experimentally investigated the space-time dynamics of low-frequency plasma density fluctuations for two regimes of discharges in torsatron U-3M and with laser-ablation-injection of carbon.
  • Stable spatial envelope wave structures in plasmas 
    Davydova, T.A.; Yakimenko, A.I.; Zaliznyak, Yu.A. (Вопросы атомной науки и техники, 2005)
    Conditions for formation of two- and three-dimensional localized envelope soliton-like structures in plasmas are investigated. These structures are described by modified nonlinear Schrцdinger equation, including higher ...
  • Status of modern mirror studies in Novosibirsk 
    Kruglyakov, E.P.; Ivanov, A.A.; Koidan, V.S. (Вопросы атомной науки и техники, 2005)
    Mirrors have a number of advantages in comparison with the closed magnetic systems like tokamak, stellarator, etc. In principle, mirrors are very attractive from the engineering point of view, if the plasma confined in ...

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