Перегляд за автором "Sorokovoy, E.L."

Сортувати за: Порядок: Результатів:

  • Behavior dynamics of low-frequency MHD-fluctuations and main plasma parameters in U-3M torsatron in RF-heating mode 
    Pashnev, V.K.; Sorokovoy, E.L.; Petrushenya, A.A.; Ozherel’ev, F.I.; Baron, D.I. (Вопросы атомной науки и техники, 2016)
    A significant decrease in the intensity of low-frequency MHD-activity is accompanied by sharp increase of plasma energy content in U-3M torsatron. Plasma is generated and heated by RF-fields with frequency of w = 0.8w(ci) ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • Dynamics of longitudinal plasma current during RF plasma heating in torsatron U-3M 
    Pashnev, V.K.; Sorokovoy, E.L.; Petrushenya, A.A.; Voitsenya, S.V.; Dreval, N.B.; Nemov, V.V. (Вопросы атомной науки и техники, 2015)
    When investigating plasma parameters in U-3M torsatron some magnetic diagnostics are used: diamagnetic loop, Rogovski coil, and saddle coil. Before the last experimental campaign the set of 15 magnetic probes (Mirnov coils) ...
  • Dynamics of the main plasma parameters during spontaneous transition into the mode of improved confinement in torsatron U-3M 
    Pashnev, V.K.; Sorokovoy, E.L.; Petrushenya, A.A.; Mironov, Yu.K.; Konovalov, V.G.; Shapoval, A.N.; Slavnyj, A.S.; Dreval, M.B.; Pugovkin, A.P. (2010)
    The work [1] contains discussion about the changes in plasma energy content and energy lifetime during the transition into the mode of improved confinement at RF-heating in torsatron U-3M in range of rare collision frequencies ...
  • 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 ...
  • 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 the upgraded magnetic diagnostics application in the U-2M torsatron 
    Pashnev, V.K.; Petrushenya, A.A.; Sorokovoy, E.L.; Ozherel’ev, F.I. (Вопросы атомной науки и техники, 2019)
    Modernized magnetic sensor systems have been developed and tested to carry out the magnetic measurements on the U-2M torsatron. The effect of the metallic environment, high-frequency noise and the instability of the external ...
  • 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, ...
  • Hydrogen recycling during RF plasma heating in the U-3M torsatron 
    Pashnev, V.K.; Petrushenya, A.A.; Ponomarenko, N.P.; Sorokovoy, E.L. (Вопросы атомной науки и техники, 2014)
    The hydrogen recycling behavior has been studied during the plasma experiments in torsatron U-3M. For this purpose, the time dependence of the molecular hydrogen pressure in the U-3M torsatron vacuum chamber in the modes ...
  • Magnetic diagnostics for torsatron U-2M 
    Pashnev, V.K.; Petrushenya, A.A.; Sorokovoy, E.L.; Krasnyj, V.V. (Вопросы атомной науки и техники, 2011)
    The features of application of magnetic diagnostics in torsatron U-2M are described. The methods to account for the influence of the metal environment and induced magnetic fields on the results of magnetic measurements ...
  • Magnetic surfaces of a combined magnetic system 
    Kotenko, V.G.; Moiseenko, V.E.; Sergeev, Yu.F.; Sorokovoy, E.L.; Ågren, O. (Вопросы атомной науки и техники, 2012)
    The existence of closed magnetic surfaces in a model of the combined magnetic system is shown by numerical simulations. The numeric model contains a magnetic system of the l=2 torsatron with the coils of an additional ...
  • Methods for measuring hydrogen balance in vacuum chamber of U-3M torsatron during plasma experiments 
    Pashnev, V.K.; Petrushenya, A.A.; Bondarenko, V.N.; Sorokovoy, E.L.; Ponomarenko, N.P.; Ozherelyev, F.I. (Вопросы атомной науки и техники, 2017)
    The experimental method was developed for evaluation of a hydrogen particle flux balance over a wide range of operating conditions in the Uragan-3M torsatron (U-3M) in the course of RF discharges. Standard pressure gauges ...
  • MHD plasma activity in the U-3M torsatron during the RF cleaning mode with the magnetic field Bφ(0) = 0.02 T 
    Pashnev, V.K.; Sorokovoy, E.L.; Petrushenya, A.A.; Ozherel’ev, F.I. (Вопросы атомной науки и техники, 2019)
    In the considered mode of cleaning, plasma was created and heated by antennas at frequencies fRF₁ ≈ 7.9 and fRF₂ ≈ 8.8 MHz, the magnitude of the constant magnetic field was Bφ(0) ≈ 0.02 T, so that the ion cyclotron frequency ...
  • Structure of intensive MHD fluctuations in torsatron in the mode of low frequency collisions 
    Pashnev, V.K.; Sorokovoy, E.L.; Petrushenya, A.A.; Ozherel’ev, F.I. (Вопросы атомной науки и техники, 2017)
    The structure of MHD-fluctuations in the frequency range 0.5…52 kHz of RF produced plasma was studied in the Uragan-3M torsatron by the use of magnetic probes placed in one of the poloidal cross-sections. Three types of ...
  • Structure of MHD fluctuations in the torsatron U-3M in steady-state stage of discharge 
    Pashnev, V.K.; Sorokovoy, E.L.; Petrushenya, A.A.; Ozherel’yev, F.I. (Вопросы атомной науки и техники, 2018)
    Study of MHD fluctuations was performed in quasi-stationary mode of weakly collisional discharge in torsatron U-3M in frequency range 0.5…70 kHz. The fluctuations of the magnetic field were detected in the following ...
  • Study of wave processes at the initial stage of RF-heating in the Uragan-3M torsatron 
    Pashnev, V.K.; Tarasov, I.K.; Sitnikov, D.A.; Sorokovoy, E.L.; Tsybenko, S.A.; Chechkin, V.V.; Grigor’eva, L.I.; Beletskii, A.A.; Kasilov, A.A. (Вопросы атомной науки и техники, 2017)
    The study of wave processes occurring during the initial stage of RF plasma heating in the Uragan-3M torsatron was performed with using movable magnetic and electric probes. The heating was carried out by the frame antenna. ...