Перегляд за автором "Kozachek, A.S."

Сортувати за: Порядок: Результатів:

  • A new control unit for probing ion beam forming in HIBP diagnostic systems 
    Zhezhera, A.I.; Chmyga, A.A.; Deshko, G.N.; Kozachek, A.S.; Komarov, A.D.; Krupnik, L.I.; Khrebtov, S.M. (Вопросы атомной науки и техники, 2016)
    This paper describes the new version of electronic control unit for ion beam forming in the Heavy Ion Beam Probing (HIBP) diagnostics. This improved unit was developed, manufactured, installed and tested on HIBP system for ...
  • Beam injection systems for the HIBP plasma diagnostics of the IPP NSC “Kharkov Institute of Physics and Technology” 
    Bondarenko, I.S.; Chmyga, A.A.; Deshko, G.N.; Dreval, N.B.; Khrebtov, S.M.; Komarov, A.D.; Kozachek, A.S.; Krupnik, L.I.; Nedzelskiy, I.S. (Вопросы атомной науки и техники, 2002)
  • Control of the runaway electron flow in torsatron 
    Moiseenko, V.E.; Tarasov, I.K.; Tarasov, M.I.; Sitnikov, D.A.; Korovin, V.B.; Komarov, A.D.; Kozachek, A.S.; Krupnik, L.I.; Zhezhera, A.I.; Pavlichenko, R.O.; Zamanov, N.V.; Kulaga, A.Ye.; Shapoval, A.N.; Lytova, M.A.; Maznichenko, S.M.; Solodovchenko, S.I.; Shtan', A.F. (Вопросы атомной науки и техники, 2014)
    The possibilities of stimulation and complete suppression of the runaway electrons flow in the experiments at Uragan-2M setup were investigated. The flow stimulation was carried out by producing additional free charged ...
  • Estimations of plasma potential and density by the heavy ion beam probing diagnostics on the Uragan-2M torsatron 
    Komarov, A.D.; Chmyga, A.A.; Chechkin, V.V.; Grigor’eva, L.I.; Deshko, G.N.; Kozachek, A.S.; Krupnik, L.I.; Khrebtov, S.M.; Maznichenko, S.M.; Mironov, Yu.K.; Romanov, V.S.; Zhezhera, A.I. (Вопросы атомной науки и техники, 2016)
    First estimations of plasma electric potential and density in URAGAN -2M (U-2M) torsatron were done by the Heavy Ion Beam Probing Diagnostic (HIBP). The estimated plasma potential has the negative potential value of -(80…195) ...
  • Features of HIBP diagnostics application to stellarator-like devices 
    Dreval, N.B.; Krupnik, L.I.; Chmyga, A.A.; Khrebtov, S.M.; Komarov, A.D.; Kozachek, A.S.; Hidalgo, C.; Melnikov, A.V.; Eliseev, L.G. (Вопросы атомной науки и техники, 2005)
    Features of heavy ion beam probe application to stellarator-like devices have been connected with specific stellarator characteristics: zero (negligible) plasma current, relatively high poloidal and stray magnetic fields, ...
  • Heavy ion beam probe design study for TCABR 
    Chmyga, A.A.; Deshko, G.N.; Dreval, N.B.; Khrebtov, S.M.; Komarov, A.D.; Kozachek, A.S.; Krupnik, L.I.; Melnikov, A.V.; Perfilov, S.V.; Galvao, R.M.O.; Kuznetsov, Yu.K. (Вопросы атомной науки и техники, 2003)
    The Heavy Ion Beam Probe (HIBP) diagnostic is known as a unique tool for the direct plasma electric potential measurements. It gives also information on plasma density, temperature and current profile. The method is based ...
  • Heavy ion beam probing – a tool to study geodesic acoustic modes and alfven eigenmodes in the T-10 tokamak and TJ-II stellarator 
    Melnikov, A.V.; Krupnik, L.I.; Barcala, J.M.; Bravo, A.; Chmyga, A.A.; Deshko, G.N.; Drabinskij, M.A.; Eliseev, L.G.; Hidalgo, C.; Khabanov, P.O.; Kharchev, N.K.; Komarov, A.D.; Kozachek, A.S.; Khrebtov, S.M.; Lopez, J.; Lysenko, S.E.; Molinero, A.; de Pablos, J.L.; Ufimtsev, M.V.; Zenin, V.N.; Zhezhera, A.I. (Вопросы атомной науки и техники, 2017)
    Heavy ion beam probing (HIBP) is a unique diagnostic for core plasma potential. It operates in the T-10 tokamak and TJ-II flexible heliac. Multi-slits energy analyzers provide simultaneously the data on plasma potential φ ...
  • HIBP diagnostic injectors for Uragan-2M and TJ-II stellarators 
    Bondarenko, I.S.; Chmyga, A.A.; Deshko, G.N.; Komarov, A.D.; Kozachek, A.S.; Krupnik, L.I.; Khrebtov, S.M.; Taschev, Yu.I.; Zhezhera, A.I. (2010)
    The testing and first operations of the Heavy Ion Beam Probe (HIBP) plasma diagnostic injectors for stellarator Uragan-2M and TJ-ІІ is presented in this work. The increasing of plasma density in modern fusion devices up ...
  • Investigation of plasma turbulence and local electric field in the T-10 tokamak and TJ-II stellarator by HIBP diagnoatic(review) 
    Krupnik, L.I.; Melnikov, A.V.; Hidalgo, C.; Chmyga, A.A.; Eliseev, L.G.; Ascasibar, E.; Estrada, T.; Komarov, A.D.; Kozachek, A.S.; Liniers, M.; Lysenko, S.E.; Mavrin, V.A.; Ochando, M.A.; de Pablos, J.L.; Pedrosa, M.A.; Perfilov, S.V.; Tabares, F.; Zhezhera, A.I. (Вопросы атомной науки и техники, 2011)
    TJ-II stellarator by HIBP diagnostics has been performed. The following similar features of potential were found: the scale of several hundred Volts; the negative sign for densities ne>1×10¹⁹ m⁻³ and comparable values ...
  • New capabilities of plasma potential and density measurements using a dual heavy ion beam probing (HIBP) diagnostic in the TJ-II stellarator 
    Zhezhera, A.I.; Chmyga, A.А.; Deshko, G.N.; Eliseev, L.G.; Hidalgo, C.; Komarov, A.D.; Kozachek, A.S.; Krupnik, L.I.; Melnikov, A.V.; de Pablos, J.L.; Perfilov, S.V. (Вопросы атомной науки и техники, 2017)
    The unique capabilities of the dual HIBP system allow the investigation of multi-scale mechanisms to be expanded from the plasma edge to the plasma core in the TJ-II stellarator. Experiments with combined NBI and ECRH ...
  • Study of gams and related turbulent particle flux with hibp in the T-10 tokamak 
    Eliseev, L.G.; Lysenko, S.E.; Melnikov, A.V.; Krupnik, L.I.; Kozachek, A.S.; Zenin, V.N. (Вопросы атомной науки и техники, 2017)
    The new findings in the behavior of geodesic acoustic modes (GAMs) and turbulent particle flux dynamics on the T-10 tokamak are presented. For the first time in T-10 the broadband oscillations (<250 kHz) of electric potential ...
  • Study of plasma potential, its fluctuations and turbulence rotation in the T-10 tokamak 
    Melnikov, A.V.; Vershkov, V.A.; Grashin, S.A.; Eliseev, L.G.; Lysenko, S.E.; Mavrin, V.A.; Merezhkin, V.G.; Perfilov, S.V.; Shelukhin, D.A.; Shurygin, R.V.; Krupnik, L.I.; Komarov, A.D.; Kozachek, A.S.; Zhezhera, A.I. (2010)
    Plasma potential, its oscillations and turbulence rotation were studied on T-10 in a wide range of ohmic and ECRH regimes. The potential has negative sign over the whole plasma cross section. Broadband turbulence tends to ...
  • Study of poloidal structure of geodesic acoustic modes in the T-10 tokamak with heavy ion beam probing 
    Zenin, V.N.; Eliseev, L.G.; Kozachek, A.S.; Krupnik, L.I.; Lysenko, S.E.; Melnikov, A.V.; Perfilov, S.V. (Вопросы атомной науки и техники, 2014)
    The poloidal structure of geodesic acoustic modes (GAMs) was studied on the T-10 tokamak by heavy ion beam probing with multichannel energy analyzer. GAMs were mainly pronounced on the plasma electric potential. The poloidal ...
  • The development of light ion injector for the plasma diagnostic system based on beam emission spectroscopy 
    Chmyga, A.A.; Deshko, G.N.; Komarov, A.D.; Kozachek, A.S.; Krupnik, L.I.; Khrebtov, S.M.; Tashchev, Yu.I.; Zhezhera, A.I. (Вопросы атомной науки и техники, 2012)
    The development of light ion injector and neutralizer for the BES plasma diagnostic system and its first experimental results are presented in this work. This injector will be used for neutral beam plasma diagnostic systems. ...
  • The first operation of the heavy ion beam probing diagnostic (HIBP) on the Uragan-2M torsatron 
    Zhezhera, A.I.; Chmyga, A.A.; Deshko, G.N.; Krupnik, L.I.; Kozachek, A.S.; Komarov, A.D.; Khrebtov, S.M.; Maznichenko, S.M.; Tashchev, Yu.I.; Lesnyakov, G.G.; Tarasov, I.K.; Perfilov, S.V. (Вопросы атомной науки и техники, 2015)
    The Heavy Ion Beam Probing (HIBP) diagnostic system has been installed and operates now on the Uragan-2M torsatron for the first time in Ukraine. The cesium ion beam with energy range of 17…120 keV and ion current of 10…150 ...
  • The study of the radial location of quasi-coherent modes by heavy ion beam probe in the TJ-II stellarator 
    Khabanov, Ph.O.; Eliseev, L.G.; Khartchev, N.K.; Hidalgo, C.; Kozachek, A.S.; Krupnik, L.I.; Lysenko, S.E.; Melnikov, A.V.; Chmyga, A.A.; Deshko, G.N.; Khrebtov, S.M.; Komarov, A.D.; Molinero, A.; J.L. de Pablos; TJ-II team (Вопросы атомной науки и техники, 2018)
    Recent experiments in low magnetic shear flexible heliac TJ-II have shown that steady frequency and chirping Alfvén Eigenmodes take place with 100 kHz< fAE <300 kHz at both pure NBI and combined ECR and NBI heated ...