Supersonic Flow of Vacuum Arc Plasma in a Magnetic Field; IEEE Transactions on Plasma Science; Vol. 49, iss. 9
| Parent link: | IEEE Transactions on Plasma Science Vol. 49, iss. 9.— 2021.— [P. 2478-2489] |
|---|---|
| Korporativní autor: | |
| Další autoři: | , , , , , , , |
| Shrnutí: | Title screen We have investigated the supersonic flow of dense plasma, formed by a pulsed vacuum arc, in a magnetic field of about 1 T using probe and optical diagnostics. Two separate magnetic field configurations were examined—an axial field with either converging or diverging lines of force. We find that for a low-current arc of from 0.4 to 1 kA and pulse duration of 270 µs , the diverging magnetic field leads to increased plasma flow velocity by about a factor of 2.5, whereas the converging magnetic field reduces the velocity by about the same amount. For a high-current arc of from 5 to 30 kA and pulse duration of 40 µs , the plasma flow velocity increases, although the effect of increased field strength on flow velocity is less significant. Here, we describe these observations and other effects of magnetic field on the parameters of the vacuum arc plasma flow. |
| Jazyk: | angličtina |
| Vydáno: |
2021
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| Témata: | |
| On-line přístup: | https://doi.org/10.1109/TPS.2021.3088154 |
| Médium: | MixedMaterials Elektronický zdroj Kapitola |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=668074 |
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| 200 | 1 | |a Supersonic Flow of Vacuum Arc Plasma in a Magnetic Field |f V. P. Frolova, A. G. Nikolaev, E. M. Oks [et al.] | |
| 300 | |a Title screen | ||
| 320 | |a [References: 42 tit.] | ||
| 330 | |a We have investigated the supersonic flow of dense plasma, formed by a pulsed vacuum arc, in a magnetic field of about 1 T using probe and optical diagnostics. Two separate magnetic field configurations were examined—an axial field with either converging or diverging lines of force. We find that for a low-current arc of from 0.4 to 1 kA and pulse duration of 270 µs , the diverging magnetic field leads to increased plasma flow velocity by about a factor of 2.5, whereas the converging magnetic field reduces the velocity by about the same amount. For a high-current arc of from 5 to 30 kA and pulse duration of 40 µs , the plasma flow velocity increases, although the effect of increased field strength on flow velocity is less significant. Here, we describe these observations and other effects of magnetic field on the parameters of the vacuum arc plasma flow. | ||
| 461 | |t IEEE Transactions on Plasma Science | ||
| 463 | |t Vol. 49, iss. 9 |v [P. 2478-2489] |d 2021 | ||
| 610 | 1 | |a электронный ресурс | |
| 610 | 1 | |a труды учёных ТПУ | |
| 610 | 1 | |a ions | |
| 610 | 1 | |a plasmas | |
| 610 | 1 | |a cathodes | |
| 610 | 1 | |a vacuum arcs | |
| 610 | 1 | |a magnetic separation | |
| 610 | 1 | |a magnetic resonance | |
| 610 | 1 | |a insulators | |
| 610 | 1 | |a ионы | |
| 610 | 1 | |a плазма | |
| 610 | 1 | |a катоды | |
| 610 | 1 | |a магнитная сепарация | |
| 610 | 1 | |a магнитный резонанс | |
| 701 | 1 | |a Frolova |b V. P. |g Valeriya Petrovna | |
| 701 | 1 | |a Nikolaev |b A. G. |g Aleksey Gennadjevich | |
| 701 | 1 | |a Oks |b E. M. |g Efim Mikhaylovich | |
| 701 | 1 | |a Sidorov |b A. V. |g Aleksandr Vasiljevich | |
| 701 | 1 | |a Vizir |b A. V. |g Aleksey Vadimovich | |
| 701 | 1 | |a Vodopjyanov |b A. V. |g Aleksandr Valentinovich | |
| 701 | 1 | |a Yushkov |b A. Yu. |c specialist in the field of electricity |c associate Professor of Tomsk Polytechnic University, candidate of technical Sciences |f 1975- |g Anatoly Yurievich |3 (RuTPU)RU\TPU\pers\35549 |9 18730 | |
| 701 | 1 | |a Yushkov |b G. Yu. |g Georgy Yurjevich | |
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