Перегляд за автором "Pavlichenko, R.O."

Сортувати за: Порядок: Результатів:

  • RF heating below ion-cyclotron frequencies in Uragan torsatrons 
    Moiseenko, V.E.; Dreval, M.B.; Burchenko, P.Ya.; Losin, A.V.; Berezhnyj, V.L.; Bondarenko, V.N.; Chechkin, V.V.; Grigor’eva, L.I.; Hartmann, D.; Koch, R.; Konovalov, V.G.; Kotsubanov, V.D.; Kramskoi, Ye.D.; Kulaga, A.E.; Lyssoivan, A.I.; Mironov, V.K.; Pavlichenko, R.O.; Romanov, V.S.; Shapoval, A.N.; Skibenko, A.I.; Slavnyi, A.S.; Tereshin, V.I.; Voitsenya, V.S. (2010)
    The experiments on Uragan-3M torsatron (stellarator) on Alfvén resonance heating are presented. Usage of the three-halfturn antenna provides plasma density increase and heating of the electron plasma component.
  • RА discharge dynamics with passing over l- and H-like mode states in the URAGAN-3M torsatron 
    Chechkin, V.V.; Pankratov, I.M.; Grigor’eva, L.I.; Beletskii, А.А.; Kasilov, A.A.; Burchenko, P.Ya.; Lozin, А.V.; Tsybenko, S.А.; Slavnyj, А.S.; Litvinov, A.P.; Kulaga, А.Ye.; Pavlichenko, R.O.; Zamanov, N.V.; Mironov, Yu.K.; Romanov, V.S.; Pashnev, V.K.; Maznichenko, S.M.; Volkov, Ye.D. (Вопросы атомной науки и техники, 2012)
    In the l=3 Uragan-3M torsatron a hydrogen plasma with the density ¬ne ~ 2×10¹² cm⁻³ is produced and heated by RF fields in the ω ≤ ωсi range of frequencies with using a frame-like antenna. Time variations are considered ...
  • Some features of the dynamics of suprathermal electrons after RF heating off at the Uragan-3M stellarator plasmas 
    Zamanov, N.V.; Pavlichenko, R.O.; Kulaga, A.E. (Вопросы атомной науки и техники, 2019)
    For the past decades the microwave radiometry is a routinely used as diagnostic tool to obtain the information on temporal evolution and radial profile of the electrons temperature at Uragan-3M torsatron plasma experiments. ...
  • 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 ...
  • 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 ...
  • Time behavior of the Hα spectral line and the molecular hydrogen spectral line in hydrogen plasma in the Uragan-2M stellarator 
    Bondarenko, V.M.; Pavlichenko, R.O.; Zamanov, M.V.; Kovtun, Y.V.; Lozin, O.V.; Kozulia, M.M. (Problems of Atomic Science and Technology, 2023)
    The studies of the scenario of hydrogen plasma creation with two sequential RF discharges during one pulse were carried out for the Uragan-2M stellarator. The first-stage discharge initiated the hydrogen pre-ionization at ...
  • Torsatron U-2M with reversed additional toroidal magnetic field 
    Kotenko, V.G.; Pavlichenko, R.O. (Вопросы атомной науки и техники, 2020)
    The torsatron U-2M magnetic system is equipped with 16 additional toroidal magnetic field coils. Under normal operating conditions the toroidal field coils create an additional toroidal magnetic field B₀ the direction of ...
  • 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 ...
  • Usage of three-halfturn antenna at the Uragan-3M device 
    Lozin, A.V.; Moiseenko, V.E.; Grigor’eva, L.I.; Kozulya, M.M.; Krasyuk, A.Yu.; Kulaga, A.E.; Kramskoy, E.D.; Lyssoivan, A.I.; Maznichenko, S.M.; Mironov, Yu.K.; Pavlichenko, R.O.; Zamanov, N.V.; Romanov, V.S.; Chernyshenko, V.Ya.; Chechkin, V.V. (Вопросы атомной науки и техники, 2013)
    Unshielded THT antenna is successfully used: (i) for heating of plasma prepared by the frame antenna pulse, (ii) for making an initial plasma with low density ~10¹⁰ cm⁻³ for further frame antenna operation, (iii) for ...