Перегляд за автором "Chmyga, A.A."

Сортувати за: Порядок: Результатів:

  • Accuracy of electrostatic energy analyzer in HIBP diagnostic 
    Bondarenko, J.S.; Chmyga, A.A.; Dreval, M.B.; Eliseev, L.G.; Khrebtov, S.M.; Komarov, A.D.; Kozachok, A.S.; Krupnik, L.I.; Melnikov, A.V.; Nedzelskij, I.S. (Вопросы атомной науки и техники, 2002)
  • 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)
  • Development of the heavy ion beam probing diagnostic and new results in the plasma electric potential investigations 
    Bondarenko, I.S.; Chmyga, A.A.; Dreval, N.B.; Khrebtov, S.M.; Komarov, A.D.; Kozachok, A.S.; Krupnik, L.I.; Eliseev, L.G.; Mavrin, V.A.; Melnikov, A.V.; Rasumova, K.A.; Zimeleva, L.G.; Hidalgo, C.; Garcia-Cortes, I.; Coelho, P.; Cunha, M.; Goncalves, B.; Malaquias, A.; Nedzelskiy, I.S.; Varandas, C.A.F. (Вопросы атомной науки и техники, 2000)
  • 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 for Uragan-2M stellarator 
    Bondarenko, I.S.; Chmyga, A.A.; Deshko, G.N.; Komarov, A.D.; Kozachok, A.S.; Krupnik, L.I.; Khrebtov, S.M.; Zhezhera, A.I. (Вопросы атомной науки и техники, 2009)
    The project of the Heavy Ion Beam Probe (HIBP) plasma diagnostic system for stellarator Uragan-2M is presented. The device Uragan-2M is the flexible torsatron machine with small helical ripples and considerably high size ...
  • 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 ...
  • HIBP results on the WEGA stellarator 
    Bondarenko, I.S.; Chmyga, A.A.; Deshko, G.N.; Komarov, A.D.; Kozachok, A.S.; Krupnik, L.I.; Khrebtov, S.M.; Zhezhera, A.I.; Podoba, Y.Ya.; Otte, M.; Wagner, F.; Melnikov, A.V.; Perfilov, S.V.; Schubert, M. (Вопросы атомной науки и техники, 2009)
    The heavy ion beam probe (HIBP) is a non-perturbing diagnostic, which allows to determine the spatial distributions of the main plasma parameters such as plasma potential, density, electron temperature and poloidal magnetic ...
  • 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 ...
  • Investigations of thermo-ionic emitters of heavy alkali metals for diagnostic injector of “Uragan-2M” stellarator 
    Bondarenko, I.S.; Chmyga, A.A.; Deshko, G.N.; Komarov, A.D.; Kozachok, A.S.; Krupnik, L.I.; Khrebtov, S.M.; Taschev, Yu.I.; Zhezhera, A.I. (Вопросы атомной науки и техники, 2011)
    The results of solid-state thermo-ionic emitters of Cs⁺ and Tl⁺ ions investigations are presented. These emitters are planned to use in heavy ion beam diagnostic system for “Uragan-2M” stellarator. According to estimations ...
  • Perturbative transport experiments on TJ-II Flexible Heliac 
    Castejón, F.; Ascasíbar, E.; Alejaldre, C.; Alonso, J.; Almoguera, L.; Baciero, A.; Balbín, R.; Blanco, E.; Blaumoser, M.; Botija, J.; Brañas, B.; Cappa, A.; Carrasco, R.; Cepero, J.R.; Chmyga, A.A.; Doncel, J.; Dreval, N.B.; Eguilior, S.; Eliseev, L.; Estrada, T.; Fedyanin, O.; Fernández, A.; Fontdecaba, J.M.; Fuentes, C.; García, A.; García-Cortés, I.; Gonçalves, B.; Guasp, J.; Herranz, J.; Hidalgo, A.; Hidalgo, C.; Jiménez, J.A.; Kirpitchev, I.; Khrebtov, S.M.; Komarov, A.D.; Kozachok, A.S.; Krupnik, L.; Lapayese, F.; Likin, K.; Liniers, M.; López-Bruna, D.; López-Fraguas, A.; López-Rázola, J.; López-Sánchez, A.; de la Luna, E.; Malaquias, A.; Martín, R.; Medrano, M.; Melnikov, A.V.; Méndez, P.; McCarthy, K.J.; Medina, F.; van Milligen, B.; Nedzelskiy, I.S.; Ochando, M.; Pacios, L.; Pastor, I.; Pavlov, S.S.; Pedrosa, M.A.; de la Peña, A.; Petrov, A.; Petrov, S.; Portas, A.; Romero, J.; Rodríguez-Rodrigo, L.; Salas, A.; Sánchez, E.; Sánchez, J.; Sarksian, K.; Schchepetov, S.; Skvortsova, N.; Tabarés, F.; Tafalla, D.; Tribaldos, V.; Varandas, C.F.A.; Vega, J.; Zurro, B. (Вопросы атомной науки и техники, 2002)
    Transport properties of TJ-II are explored performing perturbative experiments and taking advantage of TJ-II flexibility. Rotational transform can be varied in a wide range, which allows one to introduce low order rationals ...
  • Recent measurements of the electric potential profile and fluctuations in ECRH and NBI plasmas on TJ-II stellarator 
    Krupnik, L.I.; Melnikov, A.V.; Hidalgo, C.; Eliseev, L.G.; Chmyga, A.A.; Komarov, A.D.; Kozachok, A.S.; Perfilov, S.V.; Lysenko, L.G.; Zhezhera, A.I.; Pedrosa, M.A.; de Pablos, J.L. (Вопросы атомной науки и техники, 2009)
    Heavy Ion Beam Probe diagnostics is used in TJ-II stellarator to study directly the plasma electric potential with a good spatial (up to 1cm) and temporal (up to 2 µs ) resolution. Low density (ne = (0.3…0.5)×1019 m –3) ...
  • 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 ...