Перегляд за темою "Magnetic confinement"

Сортувати за: Порядок: Результатів:

  • Effects of plasma heating on the magnitude and distribution of plasma flows in the helical divertor of the Uragan-3M torsatron 
    Chechkin, V.V.; Grigor’eva, L.I.; Sorokovoy, E.L.; Smirnova, M.S.; Slavnyj, A.S.; Volkov, E.D.; Nazarov, N.I.; Tsybenko, S.A.; Lozin, A.V.; Litvinov, A.P.; Konovalov, V.G.; Bondarenko, V.N.; Kulaga, A.Ye.; Mironov, Yu.K.; Masuzaki, S.; Yamazaki, K. (Вопросы атомной науки и техники, 2002)
    Recently, a strong up-down asymmetry in the poloidal distributions of diverted plasma flows has been observed in the l = 3/m = 9 Uragan-3M torsatron, in many features similar to what have been observed in the l = 2 Heliotron ...
  • 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 It is shown, that increased electrons transfer in a face part is connected to presence here toroidal area of the superseded ...
  • Energy confinement in the torsatron Uragan-3M during the RF-heating mode 
    Pashnev, V.K.; Burchenko, P.Ya.; Lozin, A.V.; Kotsubanov, V.D.; Kulaga, A.Ye.; Krasnyj, V.V.; Mironov, Yu.K.; Nikol’skii, I.K.; Petrushenya, A.A.; Romanov, V.S.; Sitnikov, D.A.; Sorokovoy, Ed.L.; Tsybenko, S.A.; Zamanov, N.V. (Вопросы атомной науки и техники, 2008)
    Energy confinement time of plasma in torsatron U-3M was measured both during quasi-stationary stady of RF-discharge and after RF-power cut-off. Power absorbed by plasma in the confinement region was estimated. A mechanism ...
  • Estafette of resonances, stochasticity and control of particle motion 
    Shishkin, A.A. (Вопросы атомной науки и техники, 2000)
    A new method of particle motion control in toroidal magnetic traps with rotational transform using the estafette of drift resonances and stochasticity of particle trajectories is proposed. The using the word "estafette" ...
  • Evaluation of 1/ν transport and parallel current density in stellarators using the integration technique along the magnetic field line 
    Kernbichler, W.; Nemov, V.V.; Kasilov, S.V.; Heyn, M.F. (Вопросы атомной науки и техники, 2000)
  • Evolution of plasma density, its fluctuations and E×B rotation after carbon injection in the Uragan-3M torsatron 
    Berezhniy, V.L.; Skibenko, A.I.; Fomin, I.P.; Pinos, I.B.; Ocheretenko, V.L.; Pavlichenko, O.S.; Podoba, Yu.Ya.; Kotsubanov, V.D.; Nikol’skiy, I.K.; Nazarov, N.I.; Tsybenko, S.A.; Volkov, E.D.; Chechkin, V.V.; Slavniy, A.S.; Litvinov, A.P.; Kulaga, A.Ye.; Yamazaki, K.; Miyazawa, J.; Voitsenya, V.S.; Tarasov, I.K. (Вопросы атомной науки и техники, 2002)
  • Excitation of plasma fluctuations near ion girofrequencies during RF plasma heating in Uragan-3M torsatron 
    Skibenko, A.I.; Pavlichenko, O.S.; Berezhnyj, V.L.; Burchenko, P.Ya.; Kulaga, A.E.; Ocheretenko, V.L.; Pinos, I.B.; Prokopenko, A.V.; Slavnyj, A.S.; Tarasov, I.K.; Volkova, O.Yu. (Вопросы атомной науки и техники, 2006)
    Curentless plasma in Uragan-3M (U-3M) is produced and heated by absorption of RF power in the region of Alfven waves (AW) [1]. The process of plasma heating was explained in [2] as a result of Cherenkov absorption of ...
  • Experimental intertwinement of radial electric fields, fluctuations and transport with density in TJ-II plasmas 
    López-Bruna, D.; Alonso, A.; Blanco, E.; Calvo, I.; Castejón, F.; Estrada, T.; Herranz, J.; Hidalgo, C.; Krupnik, L.; Melnikov, A.; van Milligen, B.; Pedrosa, M. A.; Vargas, V. I. (Вопросы атомной науки и техники, 2006)
    Traditionally, three transport regions have been considered in the TJ-II stellarator: the plasma core, where heat deposition physics seems to dominate transport and therefore the radial electric field; a confinement or ...
  • Fast ion generation and its effect on ETB formation in the U-3M torsatron 
    Chechkin, V.V.; Grigor’eva, L.I.; Sorokovoy, E.L.; Sorokovoy, Ye.L.; Beletskii, A.A.; Slavnyj, A.S.; Burchenko, P.Ya.; Lozin, A.V.; Tsybenko, S.A.; Litvinov, A.P.; Kulaga, A.Ye.; Mironov, Yu.K.; Romanov, V.S.; Kurilo, D.V. (Вопросы атомной науки и техники, 2006)
    In the l=3 U-3M torsatron with RF produced and heated plasmas, a two-temperature ion energy distribution arises with a minor group of suprathermal ions. It is shown that a possible mechanism of fast ion generation is ...
  • Features of formation, confinement and stability of the field reversed configuration 
    Ryzhkov, S.V. (Вопросы атомной науки и техники, 2002)
    The field reversed configuration (FRC) is an innovative confinement system that offers a unique fusion reactor potential because of its compact and simple geometry, transport properties, and high plasma beta. Brief review ...
  • 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 ...
  • Findif code simulations of OP-1.1 Wendelstein 7-X discharges 
    Pełka, G.; Stępniewski, W.; Zagórski, R.; W7-X Team (Вопросы атомной науки и техники, 2019)
    The current development state of the finite difference, multi-fluid, 3D plasma code Findif is detailed. The code was run on four meshes prepared for the OP-1.1 wall geometry of the Wendelstein 7-X stellarator. The meshes ...
  • Formation of ITB in the vicinity of rational surfaces in the Uragan-3M torsatron 
    Volkov, E.D.; Berezhnyj, V.L.; Bondarenko, V.N.; Chechkin, V.V.; Fomin, I.P.; Grigor’eva, L.I.; Konovalov, V.G.; Kotsubanov, V.D.; Kulaga, A.E.; Lapshin, V.I.; Lesnyakov, G.G.; Litvinov, A.P.; Lozin, A.V.; Mironov, Yu.K.; Moiseenko, V.E.; Nazarov, N.I.; Nikol’skij, I.K.; Ocheretenko, V.L.; Pavlichenko, O.S.; Pinos, I.B.; Podoba, Yu.Ya.; Romanov, V.S.; Shapoval, A.N.; Shcherbinina, T.E.; Skibenko, A.I.; Slavnyi, A.S.; Sorokovoy, E.L.; Tarasov, I.K.; Tsybenko, S.A.; Voitsenya, V.S. (Вопросы атомной науки и техники, 2003)
    It was shown that there is the possibility of ITB formation in the vicinity of rational surfaces in a torsatron magnetic configuration. The formation of ITB is accompanied by fast change of plasma poloidal rotation velocity, ...
  • Fusion research in stellarator department of IPP NSC KIPT 
    Moiseenko, V.Е.; Dreval, M.B.; Kovtun, Yu.V.; Kulyk, Yu.S.; Glazunov, G.P.; Kazakov, Ye.O.; Ongena, J.; Sharapov, S.E.; Thomsen, H.; Garkusha, I.E. (Problems of Atomic Science and Technology, 2022)
    This paper briefly describes intrinsic and collaborative scientific activities in the Stellarator Department of the Institute of Plasma Physics of the National Science Center “Kharkov Institute of Physics and Technology” ...
  • Heliotron magnetic system of a fusion neutron source 
    Kulyk, Yu.S.; Moiseenko, V.Е.; Wauters, T.; Lyssoivan, A.I. (Вопросы атомной науки и техники, 2021)
    Results of numerical modelling of electron cyclotron (EC) short pulse wall conditioning discharge are presented. The analysis carried out with the usage of a self-consistent model that simulates radio-frequency (RF) plasma ...
  • Heliotron magnetic system of a fusion neutron source 
    Kotenko, V.G.; Moiseenko, V.E. (Вопросы атомной науки и техники, 2021)
    Numerical calculations have been carried out on magnetic field of heliotron magnetic system with a region of stellarator and mirror-type magnetic field superposition. Formation of a region of magnetic field superposition ...
  • Heliotron/torsatron configurations with minimal field ripples 
    Kotenko, V.; Volkov, E.; Yamazaki, K. (Вопросы атомной науки и техники, 2003)
    Numerical studies were undertaken to elucidate the magnetic field ripple behavior as a function of the uniform transverse magnetic field strength in the l=2,3 polarity helical magnetic system models, that are similar to ...
  • ICRF - volume charge - antenna edge interactions in the torsatrons U-3M and U-2M Part 1. Formation of a volume space charge (VSC) of positive ions 
    Berezhnyj, V.L. (Вопросы атомной науки и техники, 2016)
    A feature of fusion plasma rf discharges is the formation of near-wall volume-space charges (VSC) of positive ions. Nonlinear properties of VSC layers exert a determining influence on the rf discharge characteristics. The ...
  • ICRF - volume charge - antenna edge interactions in the torsatrons U-3M and U-2M Part 2. VSC - RF antenna interaction 
    Berezhnyj, V.L. (Вопросы атомной науки и техники, 2016)
    The influence of the electron emission and metal impurity emission from the antennas, including the U-3 torsatron antenna, on the RF-discharge has been analyzed. The both effects are the results of the antenna surface bombarding ...
  • Identification of harmonics of RF field, which is used for production and heating of plasma in the torsatron "U-3M" 
    Berezhnyj, V.L.; Ocheretenko, V.L.; Pavlichenko, O.S.; Pinos, I.B.; Prokopenko, A.V.; Tsybenko, S.A.; Lozin, A.V. (Вопросы атомной науки и техники, 2006)
    Experimental and numerical methods were used to identify the harmonics of the RF field used for plasma production and heating in the torsatron “U-3M”.