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Перегляд Bопросы атомной науки и техники, 2006 за назвою

Репозиторій DSpace/Manakin

Перегляд Bопросы атомной науки и техники, 2006 за назвою

Сортувати за: Порядок: Результатів:

  • Neutron fluxe measurements at the electrostatic electron accelerator “ELIAS” 
    Borisenko, V.N.; Goncharov, I.G.; Mazilov, A.V.; Torgovkin, A.V.; Shramenko, B.I. (Вопросы атомной науки и техники, 2006)
    Neutron fluxes were measured at an electron energy of 3 MeV, a current of 51 μA and a beryllium target thickness of 3 mm. Taking into account spare capacities for increasing the neutron flux, calculations were made of a ...
  • New versions of the BEAMDULAC code for high intensity ion beam dynamics investigation 
    Masunov, E.S.; Polozov, S.M. (Вопросы атомной науки и техники, 2006)
    New versions of the BEAMDULAC code are described. Such code can be used for high intensity ion beam dynamics investigation in linear accelerators. New abilities of the code are presented and the code testing is observed. A ...
  • Nonlinear decay of Langmuir waves into counter-propagating surface ones 
    Akimov, Yu.A.; Azarenkov, N.A. (Вопросы атомной науки и техники, 2006)
    This paper presents a study of the nonlinear excitation of surface waves involving a Langmuir wave decay at a plasma-dielectric interface. The Langmuir wave is considered to be incident perpendicularly upon the interface, ...
  • Non-linear phenomena connected with propogation of the drift waves into plasma 
    Khvesyuk, V.I.; Chirkov, A.Yu. (Вопросы атомной науки и техники, 2006)
    Non-linear heat and particle transport and restriction of wave amplitudes are discussed. Non-linear transformation of drift wave is considered under influence of outer non-uniform static electric field.
  • Nonlinear phenomena in helicon plasmas 
    Shamrai, K.P.; Slobodyan, V.M.; Virko, V.F.; Virko, Yu.V.; Gurin, A.A.; Kirichenko, G.S. (Вопросы атомной науки и техники, 2006)
    Nonlinear phenomena stimulated by enhanced longitudinal electric field arising near the metal surfaces in helicon plasmas are analyzed theoretically. Ponderomotive effect giving rise to nonlinear instability of the edge ...
  • Nonquasineutral current structures in plasmas with a zero net current 
    Gordeev, A.V. (Вопросы атомной науки и техники, 2006)
    A nonquasineutral vortex structure with a zero net current is described that arises as a result of electron drift in crossed magnetic and electric fields, the latter being produced by charge separation on a spatial scale ...
  • Numerical modelling of the RF plasma production in URAGAN-2М stellarator with crankshaft antenna 
    Moiseenko, V.Е.; Stadnik, Yu.S.; Volkov, E.D.; Schvets, O.M. (Вопросы атомной науки и техники, 2006)
    The qualitative technique of the analysis of the efficiency of the RF plasma production is presented in which the solution of boundary problem for Maxwell’s equations is only necessary. The analysis of the character of ...
  • Observation of a multichannel interdigital H-structure 
    Gavrilov, N.M.; Bogachenkov, D.A.; Komarov, D.A.; Makeyev, A.E.; Strukov, Y.N. (Вопросы атомной науки и техники, 2006)
    The paper presents the experimental results together with their comparison with calculations. The relation between a bunch charge in accelerating channel and a variation of resonant wave-length at asymptotic alternating ...
  • On a possibility of nondisturbing monitoring of electron-radiation absorbed dose in radiation-technological processes 
    Karasyov, S.P.; Nikiforov, V.I.; Pomatsalyuk, R.I.; Tenishev, A.Eh.; Uvarov, V.L.; Shevchenko, V.A.; Shlyakhov, I.N.; Malets, E.B. (Вопросы атомной науки и техники, 2006)
    Great deals of present-day radiation technologies that use electron accelerators involve the procedure of transporting the products under treatment across the irradiation zone normally to the beam scanning plane. The main ...
  • On lengthening the voltage pulse duration of a linear modulator 
    Zakutin, V.V; Reshetnyak, N.K.; Romas’ko, V.P.; Chertishchev, I.A. (Вопросы атомной науки и техники, 2006)
    Experiments were made to investigate the operation of the modulator in combination with the storage capacitor, using the nonlinear properties of the core material of the pulse transformer for the formation of long pulses. ...
  • On the influence of metal impurities on the thermal contraction of a nitrogen arc 
    Porytskyy, P. V.; Veklich, A.M. (Вопросы атомной науки и техники, 2006)
    The influence of metal impurities on the process of contraction (self-constriction) of an arc discharge is considered in the ambient atmosphere of nitrogen. The calculations are carried out, and it is shown that the degree ...
  • On the opportunity of β-radiation detection by SI detectors in the Chernobyl failure area 
    Kulibaba, V.I.; Mazilov, A.A.; Maslov, N.I. (Вопросы атомной науки и техники, 2006)
    It is demonstrated that a double silicon detector operating in the coincidence mode [1,2] can be used in radiationmonitoring instruments for registering β-radiation at high γ-background conditions, e.g., in Chernobyl.
  • On transversal instability of beam in powerful S-band linear electron accelerators 
    Aizatsky, M.I.; Kramarenko, E.U.; Khodak, I.V.; Kushnir, V.A.; Mytrochenko, V.V.; Perezhogin, S.A. (Вопросы атомной науки и техники, 2006)
    High pulse current of electrons in a linear resonance accelerator assists the increase of overall efficiency of the facility. At the same time, there is a danger of development of transversal instability of a beam (BBU), ...
  • Open ended axially symmetric systems. Results and perspectives 
    Burdakov, A.V.; Ivanov, A.A.; Kruglyakov, E.P. (Вопросы атомной науки и техники, 2006)
    Significant progress of the simplest axisymmetric magnetic systems for plasma confinement and heating is described. Two of such systems are presented in this paper: multi mirror (GOL-3) and gas dynamic (GDT) traps. In ...
  • Operational control of an average beam energy at a technological electron linac 
    Boriskin, V.N.; Dovbnya, A.N.; Myakushko, L.K.; Reprintsev, L.V.; Tatanov, V.I.; Shendrik, V.A. (Вопросы атомной науки и техники, 2006)
    The paper reports the results of development of a technique for beam uninterrupted measurement, and also some experimental data from measurements of an average electron beam energy at the technological accelerator KUT-20. ...
  • Optical properties and some applications of plasma–liquid system with discharge in the gas canal with liquid wall 
    Veremii, Iu.P.; Chernyak, V.Ya.; Naumov, V.V.; Yukhymenko, V.V.; Dudnyk, N.V. (Вопросы атомной науки и техники, 2006)
    Optical properties of plasma-liquid system with discharge in the gas canal with liquid wall and secondary discharge were investigated. We used ethanol as experimental liquid, argon and air – as initiating gas.The emission ...
  • Optimization method and development with use of ABC program the input dynamical matcher with reduced slope of beam envelope in wide range of beam currents for heavy ion high current RFQ 
    Vorobyov, I.A. (Вопросы атомной науки и техники, 2006)
    An analytical law developed earlier for an output matcher in an initial part of RFQ electrodes was adopted for an input unmodulated dynamical (radio) matcher (IRM). An analytical formula describing the different types of ...
  • Optimization of electron beam parameters of LIA-10M accelerator 
    Gordeev, V.S.; Mikhailov, Е.S.; Myskov, G.A.; Viktorov, I.V.; Parshina, I.V. (Вопросы атомной науки и техники, 2006)
    A numerical simulation of the LIA-10M accelerator was carried out. It is shown that at the existing configuration of the diode unit and maximal for LIA-10M injection parameters (3 MeV, 50 kA) significant (up to 40%) beam ...
  • Paramagnetic states of high-current electron beams in a beam-plasma system 
    Agafonov, A.V.; Tarakanov, V.P. (Вопросы атомной науки и техники, 2006)
    Results of computer simulation of low-energy high-current electron beam generation in a low-impedance system show that high-current beams shape in paramagnetic states. Low-impedance system consists of a diode with a ...
  • Parameters of electron beam generated by RF gun with ferroelectric cathode 
    Khodak, I.V.; Kushnir, V.A.; Romas’ko, V.P.; Zakutin, V.V. (Вопросы атомной науки и техники, 2006)
    RF guns with thermoemission and photoemission cathodes generate an electron beam pulse current and current pulse duration of 10⁻¹…10³ A and 10⁻⁶…10⁻¹² s, respectively. It is proposed to apply a ferroelectric cathode in ...

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