Перегляд за автором "Pashnev, V.K."

Сортувати за: Порядок: Результатів:

  • Appearance of neoclassical effects in plasma behavior in torsatron Uragan-3М 
    Pashnev, V.K.; Sorokovoy, Ed.L. (Вопросы атомной науки и техники, 2008)
    At present paper the existence of longitudinal current in plasma and time dependence of plasma density in experiments on torsatron U-3M are explained from the point of neoclassical theory. The time evolution of longitudinal ...
  • Application of magnetic diagnostics to determine basic energy characteristics of plasma 
    Pashnev, V.K. (Вопросы атомной науки и техники, 2008)
    Method of determination of plasma parameters and magnetic configuration of toroidal magnetic traps according to measurement results of magnetic fields of plasma currents out of volume of plasma confinement is implied now ...
  • 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) ...
  • Behaviour features of the radiative losses of the torsatron U – 3M plasma 
    Kotsubanov, V.D.; Kulaga, A.E.; Nikolskij, I.K.; Pashnev, V.K.; Tsybenko, S.A. (Вопросы атомной науки и техники, 2006)
    The total bolometrically measured plasma radiation losses on the RF heating power were found. The results of measurements demonstrate a nonmonotonic dependence of radiation losses on RF power. Namely, at low RF power levels ...
  • 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 ...
  • 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 plasma poloidal rotation in the U-3M torsatron 
    Sitnikov, D.A.; Skibenko, A.I.; Tarasov, M.I.; Tarasov, I.K.; Pashnev, V.K.; Prokopenko, A.V. (Вопросы атомной науки и техники, 2011)
    Results of experimental study of plasma rotation dynamics in the U-3M torsatron during transition to the improved confinement mode are presented. The rotation velocity is measured using the Doppler reflectometry methods.
  • 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 ...
  • 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 ...
  • 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 ...
  • First results of the renewed Uragan-2M torsatron 
    Beletskii, A.A.; Berezhnyj, V.L.; Burchenko, P.Ya.; Chechkin, V.V.; Chernyshenko, V.Ya.; Grigor’eva, L.I.; Gubarev, S.P.; Konovalov, V.G.; Kulaga, A.E.; Kurilo, D.V.; Lesnyakov, G.G.; Losin, A.V.; Maznichenko, S.M.; Mironov, Yu.K.; Moiseenko, V.E.; Ozherel’ev, F.I.; Opaleva, G.P.; Pashnev, V.K.; Pavlichenko, O.S.; Prokopenko, A.V.; Romanov, V.S.; Sergeev, Yu.F.; Skibenko, A.I.; Shapoval, A.N.; Shtan, A.F.; Shvets, O.M.; Solodovchenko, S.I.; Sorokovoy, Ye.L.; Taran, V.S.; Tarasov, I.K.; Tereshin, V.I.; Tsybenko, S.A.; Voitsenya, V.S.; Volkov, E.D.; Zolototrubova, M.I. (Вопросы атомной науки и техники, 2008)
    The results of experimental investigation on the vacuum magnetic surfaces in the l=2 torsatron with an additional toroidal field Uragan-2M at wide varying operation parameters are presented. Also the first results on the ...
  • 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.
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • RF wall conditioning at the Uragan-2M with use of high vacuum cryogenic trap 
    Korovin, V.B.; Baron, D.I.; Kozulya, M.М.; Chernichenko, V.Ya.; Kramskoy, E.D.; Pashnev, V.K.; Mozetič, M. (Вопросы атомной науки и техники, 2015)
    The results of evaluating the effectiveness of the vacuum chamber wall conditioning procedure by the use VHF of continuous discharge and RF pulse discharge that were applied either separately or in combination with each ...
  • 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 ...