Перегляд за автором "Lozin, A.V."

Сортувати за: Порядок: Результатів:

  • Influence of movable B₄C-limiter on characteristics of RF discharge plasma in the Uragan-2M torsatron 
    Glazunov, G.P.; Lozin, A.V.; Konotopskiy, A.L.; Baron, D.I.; Beletskii, A.A.; Bondarenko, M.N.; Chechkin, V.V.; Dreval, M.B.; Grigor’eva, L.I.; Kozulya, M.M.; Maznichenko, S.M.; Moiseenko, V.E.; Mironov, Yu.K.; Pavlichenko, R.O.; Romanov, V.S.; Shapoval, A.N. (Вопросы атомной науки и техники, 2019)
    A variant of the B₄C movable biased pumped limiter for the Uragan-2M torsatron is described. Some results of experiments with the limiter moved from the vacuum chamber wall to the central region of the plasma column in the ...
  • Influence of plasma with finite pressure on magnetic configuration of torsatron U-3M 
    Pashnev, V.K.; Burchenko, P.Ya.; Kulaga, A.Ye.; Lozin, A.V.; Mironov, Yu.K.; Petrushenya, A.A.; Romanov, V.S.; Sitnikov, D.A.; Sorokovoy, Ed.L.; Tsybenko, S.A.; Zamanov, N.V. (Вопросы атомной науки и техники, 2009)
    Series of experiments on generation of mode with high β (up to about 1.3%) in torsatron U-3M were performed using nitrogen as working gas. The dependence of average β from input power was obtained. The average plasma ...
  • Influence of working gas pulse injection and fluctuations of the magnetic field on the runaway electrons dynamics in Uragan-3M 
    Tarasov, I.K.; Tarasov, M.I.; Sitnikov, D.A.; Korovin, V.B.; Lozin, A.V.; Shapoval, A.N.; Makhov, M.M.; Mironov, Yu.K.; Romanov, V.S.; Pavlichenko, R.O.; Zamanov, N.V.; Kulaga, A.G.; Goncharov, I.G.; Listopad, V.M.; Lymar, N.V.; Gnidenko, N.V. (Вопросы атомной науки и техники, 2019)
    Generation of runaway electrons in fusion experiments can drive to serious damage of plasma devices components. Injection of gas with a large mass number decreases the generation processes. Also, magnetic perturbations ...
  • In situ quantification of plasma facing surface Conditions in the Uragan-2M torsatron 
    Glazunov, G.P.; Baron, D.I.; Bondarenko, M.N.; Moiseenko, V.E.; Garkusha, I.E.; Konotopskiy, A.L.; Lozin, A.V.; Lyssoivan, A.I.; Wauters, T. (Вопросы атомной науки и техники, 2018)
    The method and device has been developed and used for operative estimation of impurity level, outgassing rate and number of impurity gases molecular layers, on the surface of the Uragan-2M (U-2M) vacuum chamber walls. It ...
  • Mass-spectrometer diagnostics complex with cryogenic nitrogen trap 
    Tsybenko, S.A.; Kramskoj, E.D.; Korovin, V.B.; Yevsyukov, A.V.; Lozin, A.V.; Moiseenko, V.E.; Kholomyeyev, G.A.; Gribanov, V.Yu.; Kozulya, M.M.; Maznichenko, S.M.; Krasyuk, A.Yu.; Baron, D.I.; Uragan-2M Team (Вопросы атомной науки и техники, 2019)
    The measuring complex with the cryogenic nitrogen trap [1] was created to monitor the gas composition in the stellarator Uragan-2M chamber. The complex provides several gas sampling options for the research: directly from ...
  • Microcontroller system of hydrogen pulse injection on stellarator Uragan-3М 
    Gubarev, S.P.; Korovin, V.B.; Listopad, V.M.; Lozin, A.V.; Mironov, Yu.K.; Opaleva, G.P.; Romanov, V.S.; Taran, V.S.; Zamanov, N.V.; Zolototrubova, M.I. (Вопросы атомной науки и техники, 2015)
    This paper describes a renewed system of pulse injection of working gas into the vacuum vessel of the stellarator Uragan -3М. The system was designed and fabricated in the Institute of Plasma Physics of NSC “Kharkov Institute ...
  • Peripheral plasma characteristics in the Uragan-3M torsatron 
    Kasilov, A.A.; Grigor’eva, L.I.; Chechkin, V.V.; Beletskii, A.A.; Pavlichenko, R.O.; Lozin, A.V.; Kozulya, M.M.; Kulaga, A.Ye.; Zamanov, N.V.; Mironov, Yu.K.; Romanov, V.S.; Voitsenya, V.S. (Вопросы атомной науки и техники, 2015)
    In the l=3/m=9 Uragan-3M (U-3M) torsatron a hydrogen plasma is produced and heated by RF fields in the Alfvén range of frequencies (ω≤ωci). Peripheral plasma is investigated using two moveable Langmuir probes. Spatial ...
  • Plasma parameters evolution during conditioning RF discharges in Uragan-2M torsatron 
    Skibenko, A.I.; Prokopenko, A.V.; Berezhnyj, V.L.; Burchenko, P.Ya.; Krasnyj, V.V.; Kulaga, A.E.; Lesnyakov, G.G.; Lozin, A.V.; Moiseenko, V.E.; Ocheretenko, V.L.; Pavlichenko, O.S.; Pinos, I.B.; Shapoval, A.N.; Shvets, O.M.; Tarasov, M.I.; Tereshin, V.I.; Tsybenko, S.A.; Zamanov, N.V. (Вопросы атомной науки и техники, 2009)
    The results of the plasma parameters optimization measured via two-chord interferometry, radiometry, and the registering of the Нα, CIII, OII lines intensity are discussed. The optimization was realized by variation of ...
  • Radio-frequency plasma start-up at Uragan-3M stellarator 
    Moiseenko, V.E.; Lyssoivan, A.; Wauters, T.; Tripský, M.; Lozin, A.V.; Pavlichenko, R.O.; Kozulya, M.M.; Dreval, M.B.; Mironov, Yu.K.; Romanov, V.S.; Kulaga, A.Ye.; Zamanov, N.V.; Shapoval, A.N.; Konovalov, V.G.; Chechkin, V.V.; Grigor’eva, L.I.; Beletskii, A.A.; Kasilov, A.A.; Garkusha, I.E. (Вопросы атомной науки и техники, 2017)
    A double frame antenna with a broad spectrum of parallel wavenumbers (with respect to the magnetic field) is used for radio-frequency (RF) plasma production in Uragan-3M stellarator type device. The delay between the start ...
  • Some aspects of RF discharge in the "U-3M" torsatron 
    Berezhniy, 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, 2007)
    Studies were made into the behavior of frequencies and harmonic power of the RF field used for plasma production and heating in the “U-3M” torsatron.
  • Stellarator research at IPP KIPT: status and prospects 
    Moiseenko, V.E.; Glazunov, G.P.; Lozin, A.V.; Konotopskiy, A.L.; Baron, D.I.; Beletskii, A.A.; Bondarenko, M.N.; Chechkin, V.V.; Dreval, M.B.; Grigor’eva, L.I.; Kozulya, M.M.; Maznichenko, S.M.; Mironov, Yu.K.; Pavlichenko, R.O.; Romanov, V.S.; Shapoval, A.N.; Korovin, V.B.; Konovalov, V.G.; Zamanov, N.V.; E.V., Turianska; Kulyk, Yu.S.; Wauters, T.; Lyssoivan, A.I.; Ågren, O.; Garkusha, I.E.; Uragan-2M Team (Вопросы атомной науки и техники, 2019)
    Features of the recent Uragan-2M campaign are reviewed together with some theoretical advances. They include experiments with B4C limiter, studies of various 1…20 kHz oscillations, development of a new in-situ diagnostics ...
  • Studies of edge turbulence in the Uragan-3M torsatron 
    Beletskii, A.A.; Chechkin, V.V.; Pankratov, I.M.; Grigor’eva, L.I.; Sorokovoy, Ye.L.; Volkov, Ye.D.; Burchenko, P.Ya.; Kulaga, A.Ye.; Tsybenko, S.A.; Lozin, A.V.; Slavnyj, A.S.; Zamanov, N.V.; Pashnev, V.K.; Berezhnyj, V.L. (Вопросы атомной науки и техники, 2011)
    Spatial and temporal behavior of the edge fluctuations and their correlation with plasma density behavior inside the confinement region of the Uragan-3M torsatron are investigated. The key role of the radial electric field ...
  • The analysis of turbulence and rotation U-3M torsatron plasma during transport barriers formation 
    Burchenko, P.Ya.; Kulaga, A.Ye.; Lozin, A.V.; Ocheretenko, V.L.; Pinos, I.B.; Pavlichenko, O.S.; Prokopenko, A.V.; Slavnyj, A.S.; Tarasov, M.I.; Tsybenko, S.A.; Skibenko, A.I. (Вопросы атомной науки и техники, 2006)
    The analysis of plasma density oscillations and E×B rotation of U-3M torsatron plasma was performed by UHR correlation reflectometry during the transport barrier formation. The connections between these characteristics ...
  • The possible variant of pulsed RF-discharge cleaning mode of the Uragan-3m torsatron 
    Glazunov, G.P.; Volkov, E.D.; Baron, D.I.; Konotop, P.I.; Lozin, A.V.; Tsybenko, S.A. (Вопросы атомной науки и техники, 2005)
    The cleaning regime with the use of pulsed RF-discharges in hydrogen-nitrogen mixture was examined over the nitrogen concentration range from 4 at.% to 96 at.% at the same parameters of RF-generator as for pure hydrogen. ...
  • The problem of plasma density increasing in the U-3M torsatron after RF heating termination 
    Pashnev, V.K.; Tarasov, I.K.; Sitnikov, D.A.; Bondarenko, V.N.; Chechkin, V.V.; Shapoval, A.N.; Pavlichenko, R.O.; Tarasov, M.I.; Sorokovoy, E.L.; Petrushenya, A.A.; Skibenko, A.I.; Karpuhin, L.L.; Lozin, A.V. (Вопросы атомной науки и техники, 2013)
    In the U-3M torsatron a significant chord-averaged plasma density increase is observed after the RF-heating termination. The objective of this work is to find out possible mechanisms resulting in plasma density increasing.
  • Threehalf-turn antennas start-up 
    Moiseenko, V.E.; Lozin, A.V.; Kozulia, M.M.; Korovin, V.B.; Beletskii, A.A.; Baron, D.I.; Grigor’eva, L.I.; Chechkin, V.V.; Mironov, Yu.K.; Romanov, V.S.; Shapoval, A.N.; Makhov, M.M.; Konovalov, V.G.; Pavlichenko, R.O.; Zamanov, N.V.; Dreval, N.B.; Slavnij, A.S.; Turianska, O.V.; Uragan-2M Team (Вопросы атомной науки и техники, 2019)
    The start-up experiments were carried out at Uragan-2M stellarator with the Three-Half-Turn antenna (THT) without any pre-ionization. Conditions for optimal gas breakdown were found out through the variation of the neutral ...
  • Transition to the improved confinement mode in torsatron U-3M in range of rare collision frequencies 
    Pashnev, V.K.; Sorokovoy, E.L.; Berezhnyj, V.L.; Burchenko, P.Ya.; Volkov, E.D.; Krasnyj, V.V.; Lozin, A.V.; Mironov, Yu.K.; Petrushenya, A.A.; Pinos, I.B.; Skibenko, A.I.; Slavnyj, A.S.; Dreval, M.B.; Kulaga, A.Ye.; Tsybenko, S.A.; Es’kov, A.Yu. (2010)
    Transition to the mode of improved plasma confinement in U-3M facility earlier was discussed in works [1-3]. In these studies discussed the various processes in the confinement volume and in the peripheral plasma that ...
  • Two-strap RF antenna in Uragan-2M stellarator 
    Lozin, A.V.; Kovtun, Yu.V.; Moiseenko, V.E.; Maznichenko, S.M.; Kozulia, M.M.; Korovin, V.B.; Shapoval, A.N.; Kramskoy, E.D.; Pavlichenko, R.O.; Zamanov, N.V.; Makhov, M.M.; Krasyuk, A.Yu.; Siusko, Y.V.; Tymoshenko, A.I.; Listopad, V.M.; Wauters, T.; Kazakov, Ye.; Ongena, J. (Вопросы атомной науки и техники, 2020)
    A unshielded two-strap antenna had been installed in Uragan-2M. A vacuum chamber inner walls conditioning regime with the two-strap antenna is studied in a weak magnetic field. Plasma with the density nₑ~ (0.2…0.95)·10¹²сm⁻³ ...
  • U-3M plasma startup scenario sustained by gas puffing as a different plasma confinement scenario: first results 
    Dreval, M.B.; Sorokovoy, E.L.; Mironov, Yu.K.; Pavlichenko, R.O.; Lozin, A.V.; Romanov, V.S.; Pashnev, V.K. (Вопросы атомной науки и техники, 2013)
    In order to reduce flux of neutrals into the plasma confinement volume, discharge start-up scenario maintained by impulse gas puffing (GP) has been proposed. Absence of constant working gas feeding in this scenario opens ...
  • Uragan-2M gas mixing system 
    Lozin, A.V.; Kovtun, Yu.V.; Moiseenko, V.E.; Maznichenko, S.M.; Baron, D.I.; Kozulya, M.M.; Krasyuk, A.Yu.; Listopad, V.M.; Gribanov, V.Yu.; Martseniuk, Yu.P. (Вопросы атомной науки и техники, 2021)
    Gas mixture system (GMS) was developed, created and installed at Uragan-2M (U-2M) device. GMS is based on already known gas mixing method - successive puffing. It is implemented through successive puffing of several gases ...