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5篇 您的检索式:作者名="Strokin N A"
    题名 作者 年代 出处 被引量
1Plasma-mass separation of isotopes in a magnetic field of a linear current显示文摘Bardakova V M Kichiginb G N Strokin N A 2010Journal of Technical Physics2010,80,10:1
2Mass separation of ions in a circular plasma flow显示文摘Bardakova V M Kichiginb G N Strokin N A 2010Technical Physics Letters2010,36,2:1
3Study on plasma sheath and plasma transport properties in the azimuthator显示文摘A physical model of transport in an azimuthator channel with the sheath effect resulting from the interaction between the plasma and insulation wall is established in this paper. Particle in cell simulation is carried out by the model and results show that, besides the transport due to classical and Bohm diffusions, the sheath effect can significantly influences the transport in the channel.As a result, the ion density is larger than the electron density at the exit of azimuthator, and the non-neutral plasma jet is divergent, which is unfavorable for mass separation. Then, in order to improve performance of the azimuthator, a cathode is designed to emit electrons. Experiment results have demonstrated that the auxiliary cathode can obviously compensate the space charge in the plasma.王振宇 江滨浩 N A STROKIN A N STUPIN 2018Plasma Science and Technology2018,20,4:0
4Spatial charge and compensation method in a whirler显示文摘Based on particle-in-cell simulation, we studied the motions of ions and electrons. The results have shown that electrons are bounded by a magnetic field and only a small number of electrons can pass through the whirler channel. The plasma becomes non-neutral when it is emitted from the whirler, and the spatial charge leads to a beam divergence, which is unfavorable for mass separation. In order to compensate the spatial charge, a cathode is designed to transmit electrons and the quasi-neutral plasma beam. Experiment results have demonstrated that the auxiliary cathode can obviously improve the compensation degree of the spatial charge.王振宇 江滨浩 严禹明 赵海龙 N A STROKIN 2017Plasma Science and Technology2017,19,5:0
5Anomalous acceleration of ions in a plasma accelerator with an anodic layer显示文摘In a plasma accelerator with an anodic layer(PAAL), we discovered experimentally the effect of‘super-acceleration' of the bulk of the ions to energies W exceeding the energy equivalent to the discharge voltage Vd. The E?×?B discharge was ignited in an environment of atomic argon and helium and molecular nitrogen. Singly charged argon ions were accelerated most effectively in the case of the largest discharge currents and pressure P of the working gas. Helium ions with W?>?eV_d(e being the electron charge) were only recorded at maximum pressures. Molecular nitrogen was not accelerated to energies W?>?e Vd. Anomalous acceleration is realized in the range of radial magnetic fields on the anode 2.8?×?10^(–2)≤B_(rA)≤4?×?10^(–2) T. It was also found analytically that the cathode of the accelerator can receive anomalously accelerated ions. In this case, the value of the potential in the anodic layer becomes higher than the anode potential, and the anode current exceeds some critical value. Numerical modeling in terms of the developed theory showed qualitative agreement between modeling data and measurements.V M BARDAKOV S D IVANOV A V KAZANTSEV N A STROKIN A N STUPIN 江滨浩 王振宇 2018Plasma Science and Technology2018,20,3:0
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