Перегляд за автором "Makhlaj, V.A."

Сортувати за: Порядок: Результатів:

  • Alloying and modification of stainless steels by powerful plasma streams 
    Makhlaj, V.A.; Aksenov, N.N.; Byrka, O.V.; Chunadra, A.G.; Herashchenko, S.S.; Malykhin, S.V.; Mikhailov, I.F.; Sereda, K.N.; Surovitskiy, S.V. (Вопросы атомной науки и техники, 2016)
    The stainless steel surfaces coated of tungsten have been alloyed and modified with powerful QSPA Kh-50 plasma streams. The plasma streams exposures result in modification of steel-based materials and formation of ...
  • Castellated structures behaviour under QSPA Kh-50 plasma exposures in ITER relevant conditions 
    Herashchenko, S.S.; Makhlaj, V.A.; Aksenov, N.N.; Bazylev, B.; Byrka, O.V.; Chebotarev, V.V.; Kulik, N.V.; Lebedev, S.I.; Shevchuk, P.B.; Staltsov, V.V. (Вопросы атомной науки и техники, 2014)
    The experimental study of castellated target erosion under relevant to ITER ELMs surface heat load (i.e., energy density and the pulse duration as well as particle loads) was performed in QSPA Kh-50 quasi-stationary plasma ...
  • Characterization of QSPA plasma streams in plasma-surface interaction experiments: simulation of ITER disduption 
    Makhlaj, V.A. (Вопросы атомной науки и техники, 2012)
    Experimental simulations of thermal stage of ITER disruptions with relevant surface heat loads (energy density up to 30 MJ/m² ) were performed with a quasi-steady-state plasma accelerator QSPA Kh-50. It was found, that the ...
  • Characterization of QSPA plasma streams in plasma - surface interaction experiments: simulation of ITER ELMs 
    Makhlaj, V.A. (Вопросы атомной науки и техники, 2013)
    Experimental simulations of ITER ELMs with relevant surface heat loads (energy density up to 2.4 MJ/m² ) have been performed with a quasi-steady-state plasma accelerator QSPA Kh-50. Additional shielding effect has been ...
  • Combined exposures of tungsten by stationary and transient hydrogen plasma heat loads: preliminary results 
    Makhlaj, V.A.; Aksenov, N.N.; Byrka, O.V.; Garkusha, I.E.; Bizyukov, A.A.; Bizyukov, I.A.; Girka, O.I.; Sereda, K.N.; Bazdyreva, S.V.; Malykhin, S.V.; Pugachov, A.T. (Вопросы атомной науки и техники, 2013)
    Influence of combined hydrogen plasma exposures on tungsten behavior was studied in QSPA Kh-50 facility and steady-state ion beam system FALCON. Pulsed plasma loads (0.45 MJ/m²) were below the tungsten melting threshold. ...
  • Comparable analysis of shielding layer parameters for different target materials under the plasma stream exposure 
    Tsarenko, A.V.; Trubchaninov, S.A.; Marchenko, A.K.; Chebotarev, V.V.; Staltsov, V.V.; Tereshin, V.I.; Garkusha, I.E.; Makhlaj, V.A.; Solyakov, D.G.; Landman, I.S. (Вопросы атомной науки и техники, 2005)
    Numerous experiments on the plasma-wall interaction problem have been performed with the powerful quasistationary plasma accelerator (QSPA) K-50 device during last decades. These investigations were performed with different ...
  • Compression zone formation in plasma streams generated by MPC device operating with gases of different mass 
    Marchenko, A.K.; Ladygina, M.S.; Garkusha, I.E.; Petrov, Yu.V.; Solyakov, D.G.; Cherednichenko, T.N.; Makhlaj, V.A.; Chebotarev, V.V.; Staltsov, V.V.; Yelisyeyev, D.V.; Krauz, V.I. (Вопросы атомной науки и техники, 2014)
    This paper presents analysis of compression zone formation in plasma streams generated by compact magnetoplasma compressor operating with argon and helium. The main aim for this investigation is characterization of plasma ...
  • Control of the compression zone position in plasma streams generated by MPC 
    Solyakov, D.G.; Volkova, Y.E.; Cherednychenko, T.M.; Ladygina, M.S.; Marchenko, A.K.; Petrov, Yu.V.; Chebotarev, V.V.; Makhlaj, V.A.; Staltsov, V.V.; Yeliseyev, D.V. (Вопросы атомной науки и техники, 2018)
    This paper is devoted to the investigation of magnetohydrodynamic characteristics of plasma streams generated by a magnetoplasma compressor (MPC) and control mechanisms of a compression zone position. Nitrogen, helium, and ...
  • Damage of 3D tungsten targets in the course of ITER ELM-like heat loads 
    Herashchenko, S.S.; Makhlaj, V.A.; Aksenov, N.N.; Byrka, O.V.; Chebotarev, V.V.; Kulik, N.V.; Lebedev, S.I.; Shevchuk, P.B.; Staltsov, V.V. (Вопросы атомной науки и техники, 2017)
    The damage of tungsten target under repetitive plasma loads have been studied with a quasi-stationary plasma accelerator QSPA Kh-50. The target construction was close to the ITER divertor reference design. The plasma stream ...
  • Damaging of pure tungsten with different microstructure under sequential QSPA and LHD plasma loads 
    Herashchenko, S.S.; Byrka, O.V.; Makhlaj, V.A.; Wirtz, M.; Aksenov, N.N.; Garkusha, I.E.; Petrov, Yu.V.; Malykhin, S.V.; Surovitskiy, S.V.; Masuzaki, S.; Tokitani, M.; Lebedev, S.I.; Shevchuk, P.B. (Вопросы атомной науки и техники, 2020)
    The cracking thresholds were evaluated for tungsten samples with different microstructure in the course of QSPA Kh – 50 repetitive plasma loads. No damage has been observed on the exposed surfaces under 0.1 MJ/m². Nevertheless, ...
  • Diagnostics of plasma streams and plasma-surface interaction of essentially different duration of plasma pulses 
    Marchenko, A.K.; Ladygina, M.S.; Petrov, Yu.V.; Garkusha, I.E.; Solyakov, D.G.; Byrka, O.V.; Chebotarev, V.V.; Aksenov, N.N.; Herashchenko, S.S.; Lebedev, S.I.; Shevchuk, P.B.; Astashinski, V.M.; Makhlaj, V.A.; Kulik, N.V.; Yelisyeyev, D.V.; Staltsov, V.V.; Cherednychenko, T.N. (Вопросы атомной науки и техники, 2016)
    Studies of main characteristics of the plasma streams generated by magneto-plasma compressor (MPC) and quasi-stationary plasma accelerator QSPA Kh-50 have been performed. Main features of Plasma Surface Interaction (PSI) ...
  • Discharge characteristics in the MPC channel in presence of external longitudinal magnetic field 
    Solyakov, D.G.; Volkova, Y.E.; Cherednychenko, T.N.; Garkusha, I.E.; Ladygina, M.S.; Marchenko, A.K.; Petrov, Yu.V.; Chebotarev, V.V.; Makhlaj, V.A.; Staltsov, V.V.; Yeliseyev, D.V.; Trubchaninov, S.A. (Вопросы атомной науки и техники, 2019)
    This paper reports the outcomes of recent experiments on the assessment of the external longitudinal magnetic field effect on the discharge characteristics and the main plasma stream parameters of the magnetoplasma compressor ...
  • Discharge parameters of magnetoplasma compressor: effect of external axial magnetic field 
    Solyakov, D.G.; Volkova, Yu.Ye.; Marchenko, A.K.; Ladygina, M.S.; Staltsov, V.V.; Petrov, Yu.V.; Chebotarev, V.V.; Merenkova, T.M.; Makhlaj, V.A.; Yeliseyev, D.V. (Вопросы атомной науки и техники, 2020)
    This paper reports the findings of our recent experiments on the evaluation of the external axial magnetic field effect on the discharge parameters of a magnetoplasma compressor (MPC). The discharge-voltage characteristics ...
  • Erosion features of tungsten surfaces under combined steady-state and transient plasma loads 
    Herashchenko, S.S.; Makhlaj, V.A.; Girka, O.I.; Aksenov, N.N.; Bizyukov, I.A.; Malykhin, S.V.; Surovitskiy, S.V.; Sereda, K.N.; Bizyukov, A.A. (Вопросы атомной науки и техники, 2016)
    The paper presents the experimental research on damage of the tungsten surfaces under combined plasma exposures. Steady-state hydrogen exposures (particle flux of 2×10²² m⁻²s⁻¹ , heat flux of 1.7 MW/m² , fluence of 1026 ...
  • HIgh heat flux plasma testing of ITER divertor materials under ELM relevant conditions in QSPA Kh-50 
    Makhlaj, V.A.; Garkusha, I.E.; Aksenov, N.N.; Kulik, N.V.; Landman, I.S.; Linke, J.; Medvedev, A.V.; Malykhin, S.V.; Chebotarev, V.V.; Pugachev, A.T.; Tereshin, V.I. (2010)
    Performed studies of plasma-surface interaction include measurements of plasma energy deposited to the material surface and determination of tungsten cracking threshold during repetitive ITER ELM-like plasma exposures in ...
  • High-speed gas injector for powerful plasmadynamic systems 
    Staltsov, V.V.; Chebotarev, V.V.; Makhlaj, V.A. (Вопросы атомной науки и техники, 2015)
    The paper describes the design features of gas injectors for the axial (parallel to the axis of the accelerator) and radial (perpendicular to the axis of the accelerator) working gas supply into the accelerator channel. ...
  • Influence of different types of hydrogen treatment on hydrogen retention and release from 12Kh18N10T steel 
    Bondarenko, M.N.; Glazunov, G.P.; Konotopskiy, A.L.; Lozin, A.V.; Moiseenko, V.E.; Aksenov, N.N.; Garkusha, I.E.; Herashchenko, S.S.; Makhlaj, V.A. (Вопросы атомной науки и техники, 2018)
    Hydrogen outgassing from stainless steel was investigated after sample treatment by different plasmas: VHF/RF pulse discharges during wall conditioning in the Uragan-2M torsatron, with RF pulse plasma heating regime ...
  • Influence of hydrogen and helium plasma streams exposures on modification of tungsten structure under powerful transient loads 
    Makhlaj, V.A.; Garkusha, I.E.; Byrka, O.V.; Chrebotarev, V.V.; Landman, I.S.; Lebedev, S.I.; Malykhin, S.V.; Pugachev, A.T.; Shevchuk, P.B.; Tereshin, V.I. (Вопросы атомной науки и техники, 2011)
    Influence of plasma exposures on tungsten behavior was studied in QSPA Kh-50 facility and pulsed plasma gun PPA. Plasma loads were chosen either below the melting threshold or resulting in pronounced melting. Evolution ...
  • Influence of plasma stream parameters in pulsed plasma gun on modification processes in exposed structural materials 
    Byrka, O.V.; Bandura, A.N.; Chebotarev, V.V.; Garkusha, I.E.; Garkusha, V.V.; Makhlaj, V.A.; Tereshin, V.I. (Вопросы атомной науки и техники, 2011)
    This paper is focused on investigation of helium, nitrogen and krypton plasma streams generated by pulsed plasma gun (PPA). The main objection of this study is adjustment of plasma treatment regimes for different materials ...
  • Magnetic field distribution in plasma shield during high-power plasma stream target interaction 
    Chebotarev, V.V.; Garkusha, I.E.; Makhlaj, V.A.; Mitina, N.I.; Solyakov, D.G.; Tereshin, V.I.; Trubchaninov, S.A.; Tsarenko, A.V.; Wuerz, H. (Вопросы атомной науки и техники, 2000)
    The distributions of magnetic field in the shielding plasma layers, created during the powerful plasma stream interaction with the graphite sample were carried out. Plasma streams, generated by plasma accelerator QSPA Kh- ...