Research of transportation efficiency of low-energy high-current electron beam in plasma channel in external magnetic field; Journal of Physics: Conference Series; Vol. 652 : Gas Discharge Plasmas and Their Applications (GDP 2015)
| Parent link: | Journal of Physics: Conference Series Vol. 652 : Gas Discharge Plasmas and Their Applications (GDP 2015).— 2015.— [012021, 6 p.] |
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| Sažetak: | Title screen Effective high current (5-20 kA) and low energy (tens of keV) electrons beam transportation is possible only with almost complete charging neutralization. It is also necessary to use quite high current neutralization for elimination beam self-pinching effect. The research is based on the self-consistent mathematical model that takes into account beam and plasma particles dynamic, current and charge neutralization of electron beam and examines the transportation of electron beam into a chamber with low-pressure plasma in magnetic field. A numerical study was conducted using particle in cell (PIC) method. The study was performed with various system parameters: rise time and magnitude of the beam current, gas pressure and plasma density and geometry of the system. Regularities of local virtual cathode field generated by the beam in the plasma channel, as well as ranges of parameters that let transportation beam with minimal losses, depending on the external magnetic field were determined through a series of numerical studies. In addition, the assessment of the impact of the plasma ion mobility during the transition period and during steady beam was performed. Режим доступа: по договору с организацией-держателем ресурса |
| Jezik: | engleski |
| Izdano: |
2015
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| Online pristup: | http://dx.doi.org/10.1088/1742-6596/652/1/012021 http://earchive.tpu.ru/handle/11683/18240 |
| Format: | Elektronički Poglavlje knjige |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=644594 |
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| 200 | 1 | |a Research of transportation efficiency of low-energy high-current electron beam in plasma channel in external magnetic field |f E. S. Vagin, V. P. Grigoriev | |
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| 300 | |a Title screen | ||
| 320 | |a [References: 9 tit.] | ||
| 330 | |a Effective high current (5-20 kA) and low energy (tens of keV) electrons beam transportation is possible only with almost complete charging neutralization. It is also necessary to use quite high current neutralization for elimination beam self-pinching effect. The research is based on the self-consistent mathematical model that takes into account beam and plasma particles dynamic, current and charge neutralization of electron beam and examines the transportation of electron beam into a chamber with low-pressure plasma in magnetic field. A numerical study was conducted using particle in cell (PIC) method. The study was performed with various system parameters: rise time and magnitude of the beam current, gas pressure and plasma density and geometry of the system. Regularities of local virtual cathode field generated by the beam in the plasma channel, as well as ranges of parameters that let transportation beam with minimal losses, depending on the external magnetic field were determined through a series of numerical studies. In addition, the assessment of the impact of the plasma ion mobility during the transition period and during steady beam was performed. | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | 1 | |0 (RuTPU)RU\TPU\network\3526 |t Journal of Physics: Conference Series | |
| 463 | 0 | |0 (RuTPU)RU\TPU\network\9636 |t Vol. 652 : Gas Discharge Plasmas and Their Applications (GDP 2015) |o 12th International Conference, 6–11 September 2015, Tomsk, Russia |o [proceedings] |v [012021, 6 p.] |d 2015 | |
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| 701 | 1 | |a Grigoriev |b V. P. |c mathematician |c Professor of Tomsk Polytechnic University, Doctor of physical and mathematical sciences |f 1941- |g Vladimir Petrovich |3 (RuTPU)RU\TPU\pers\30929 | |
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