Перегляд за автором "Lozin, A.V."

Сортувати за: Порядок: Результатів:

  • Amplification of the runaway electrons flow in the Uragan-3М torsatron 
    Tarasov, I.K.; Tarasov, M.I.; Sitnikov, D.A.; Korovin, V.B.; Lozin, A.V.; Mironov, Yu.K.; Romanov, V.S.; Pavlichenko, R.O.; Zamanov, N.V.; Kulaga, A.G.; Shapoval, A.N.; Makhov, M.M.; Goncharov, I.G.; Listopad, V.M.; Lymar, N.V.; Gnidenko, N.V. (Вопросы атомной науки и техники, 2018)
    In this work the results of amplification of the runaway electrons flow and interaction runaway electrons with RF-heating wave on the Uragan-3M torsatron are presented. Results described in the article confirm using ...
  • Behavior features of the ungrounded antenna potential shift in Uragan-2M torsatron 
    Korovin, V.B.; Tarasov, I.K.; Lozin, A.V.; Kozulia, M.M.; Sorokovoy, E.L.; Kramskoy, E.D.; Gribanov, V.Yu.; Baron, D.I.; Tsybenko, S.A. (Problems of Atomic Science and Technology, 2023)
    The potential shift appears at frame antenna during plasma creation in Uragan 2M torsatron. This paper provides experimental study of that potential dynamics (Ump). The measurements showed that Ump value can be both positive ...
  • Characteristic properties of the three-half-turn-antenna-driven RF discharge in the Uragan-3M torsatron 
    Chechkin, V.V.; Grigor’eva, L.I.; Grekov, D.L.; Pavlichenko, R.O.; Lozin, A.V.; Kasilov, A.A.; Beletskii, A.A.; Kozulya, M.M.; Kulaga, A.Ye.; Zamanov, N.V.; Tarasov, I.K.; Mironov, Yu.K.; Romanov, V.S.; Voitsenya, V.S. (Вопросы атомной науки и техники, 2014)
    In the λ = 3 Uragan-3M torsatron hydrogen plasma is heated by RF fields in the Ålfven range of frequencies (ω≤ωсi). Plasma with the mean density ‾ne units of 10¹² сm⁻³ is produced by the frame antenna and used as an initial ...
  • 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 ...
  • Continuous wall conditioning VHF discharge without magnetic field in a toroidal device 
    Lozin, A.V.; Moiseenko, M.M.; Kozulya, M.M.; Kramskoj, E.D.; Korovin, V.B.; Yevsyukov, A.V.; Grigor’eva, L.I.; Beletskii, A.A.; Shapoval, A.N.; Makhov, M.M.; Krasyuk, A.Yu.; Baron, D.I. (Вопросы атомной науки и техники, 2016)
    Experiments were carried out at Uragan-2M torsaron for wall conditioning without magnetic field. Plasma discharge was created with the same antenna and VHF generator used for weak magnetic field (B0=100 G) wall conditioning. ...
  • Creation of low density starting plasma with small frame antenna at Uragan-3M device 
    Kozulya, M.M.; Kramskoy, E.D.; Korovin, V.B.; Yevsyukov, A.V.; Lozin, A.V.; Kasilov, A.A.; Grigor’eva, L.I.; Kulaga, A.E.; Maznichenko, S.M.; Mironov, Yu.K.; Romanov, V.S.; Chechkin, V.V. (Вопросы атомной науки и техники, 2015)
    Deficient shot-to-shot stability of Uragan-3M discharges makes difficult to reproduce experimental results over the period of experimental session. An efficient way of reducing difference between shots is creation of initial ...
  • Decreasing water concentration in the Uragan-3M device with UHF discharge 
    Kozulya, M.M.; Korovin, V.B.; Lozin, A.V.; Krasyuk, A.Yu.; Mironov, Yu.K.; Romanov, V.S.; Shtan, A.F.; Solodovchenko, S.I.; Baron, D.I.; Shapoval, A.N.; Chernyshenko, V.Ya.; Pashnev, V.K. (Вопросы атомной науки и техники, 2014)
    Uragan-3M device vacuum chamber is a cylinder with volume of 70 m³. Between the operation series, it is opened to the atmosphere for scientific and technical works. The problem of high water vapour concentration in the ...
  • Density and potential fluctuations in the edge plasma of the Uragan-3m torsatron 
    Sorokovoy, E.L.; Chechkin, V.V.; Grigor’eva, L.I.; Chechkin, A.V.; Gonchar, V.Yu.; Volkov, E.D.; Nazarov, N.I.; Tsybenko, S.A.; Lozin, A.V.; Litvinov, A.P.; Kulaga, A.Ye.; Mironov, Yu.K.; Romanov, V.S.; Masuzaki, S.; Yamazaki, K. (Вопросы атомной науки и техники, 2002)
    Ion saturation current and floating potential fluctuations are recorded by movable array of 4 Langmuir probes near the boundary of the confinement region in the l = 3/m = 9 Uragan-3M torsatron with an RF produced and ...
  • Design and application of glow discharge cleaning at Uragan-2M stellarator 
    Kovtun, Yu.V.; Moiseenko, V.E.; Maznichenko, S.M.; Lozin, A.V.; Korovin, V.B.; Kramskoy, E.D.; Siusko, Y.V.; Kozulya, M.M.; Krasiuk, A.Yu.; Listopad, V.M.; Baron, D.I. (Вопросы атомной науки и техники, 2021)
    For the Uragan-2M stellarator, a glow discharge cleaning (GDC) system is developed. An overview of the GDC system design is presented. The first experimental studies of GDC in an argon atmosphere have been carried out. The ...
  • 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 ...
  • Effect of plasma on the radio-technical characteristics of the Uragan-2M torsatron matching RF systems 
    Korovin, V.B.; Filippov, V.V.; Kozulya, M.M.; Kramskoy, E.D.; Lozin, A.V. (Вопросы атомной науки и техники, 2014)
    There were carried out qualitative studies of the effect of plasma parameters during the RF disharge wall conditioning in a helium atmosphere on the quality factor of the antenna oscillating circuit at Uragan-2M torsatron. ...
  • 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 ...
  • Electromagnetic oscillations at the edge of the Uragan-3M plasma 
    Pashnev, V.K.; Tarasov, I.K.; Tarasov, M.I.; Sitnikov, D.A.; Tsybenko, S.A.; Pinos, I.B.; Stepanov, K.N.; Olshansky, V.V.; Shvets, O.M.; Sorokovoy, E.L.; Petrushenya, A.A.; Lozin, A.V.; Pugovkin, A.P.; Mironov, Yu.K.; Shapoval, A.N. (Вопросы атомной науки и техники, 2013)
    In the Uragan-3M torsatron the plasma is ICRF heated with the use of antennas of different types. The objective of this work is to study the electromagnetic wave propagation outside the plasma confinement volume and the ...
  • 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 ...
  • 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 ...
  • First tests of the biased movable B4C-limiter in the Uragan-2M torsatron under RF and UHF wall conditioning 
    Glazunov, G.P.; Baron, D.I.; Bondarenko, M.N.; Burchenko, P.Ya.; Chechkin, V.V.; Chernyshenko, V.Ya.; Grigor’eva, L.I.; Konovalov, V.G.; Konotopskiy, A.L.; Kotenko, V.G.; Lozin, A.V.; Maznichenko, S.M.; Moiseenko, V.E.; Pashnev, V.K.; Ponomarenko, N.P.; Solodovchenko, S.I.; Sorokovoy, Ye.L.; Shapoval, A.V.; Tereshin, V.I.; Voitsenya, V.S. (2010)
    The work describes the design of a multifunctional B4C-limiter, and reports preliminary results from experimental study of the limiter operated at steady-state and pulsed RF discharge cleaning regimes in the Uragan-2M torsatron.
  • 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, ...
  • ICRF plasmas for fusion reactor applications 
    Lyssoivan, A.; Koch, R.; Van Eester, D.; Van Schoor, M.; Van Wassenhove, G.; Vervier, M.; Weynants, R.; Buermans, J.; Matthys, T.; Esser, H.G.; Marchuk, O.; Neubauer, O.; Philipps, V.; Sergienko, G.; Bobkov, V.; Fahrbach, H.-U.; Hartmann, D.A.; Herrmann, A.; Noterdaeme, J.-M.; Rohde, V.; Beaumont, B.; Gauthier, E.; Glazunov, G.P.; Lozin, A.V.; Moiseenko, V.E.; Nazarov, N.I.; Shvets, O.M.; Stepanov, K.N.; Volkov, E.D.; Beigman, I.L.; Vainshtein, L.A. (Вопросы атомной науки и техники, 2007)
    The ICRF plasma production technique is considered as a promising alternative tool for the following applications in the present and next generation superconducting fusion devices: (i) Wall conditioning in the presence of ...
  • 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”.
  • Influence of different types of hydrogen treatment on hydrogen retention and release from 12Kh18N10T steel 
    Bondarenko, M.N.; Glazunov, G.P.; Konotopskiy, A.L.; Lozin, A.V.; Moiseenko, V.E.; Aksenov, N.N.; Garkusha, I.E.; Herashchenko, S.S.; Makhlaj, V.A. (Вопросы атомной науки и техники, 2018)
    Hydrogen outgassing from stainless steel was investigated after sample treatment by different plasmas: VHF/RF pulse discharges during wall conditioning in the Uragan-2M torsatron, with RF pulse plasma heating regime ...