| Автор | N L Aleksandrov |
| Автор | E M Bazelyan |
| Дата выпуска | 1998-06-07 |
| dc.description | A kinetic model for the ionization processes in high-temperature air in a strong electric field is used to study numerically the mechanism of re-breakdown in a post-arc channel in long non-uniform gaps between a spherical anode and a plane cathode. Our simulation shows two distinct phases of the re-breakdown. The first phase consists of an ionizing wave traversing the gap. After this phase the electrical field in the channel is re-arranged, tending towards being a uniform one. The second phase consists of uniform increases in electron density and gas temperature along the whole channel length. The re-breakdown reduced field increases from 8 to 60 Td when the initial gas temperature T decreases from 3000 to 700 K. The dominant ionization mechanisms in the channel are electron impact ionization of NO at 1000<T<3000 K and of at T<1000 K. |
| Формат | application.pdf |
| Издатель | Institute of Physics Publishing |
| Название | The mechanism of re-breakdown within a post-arc channel in long non-uniform air gaps |
| Тип | paper |
| DOI | 10.1088/0022-3727/31/11/008 |
| Electronic ISSN | 1361-6463 |
| Print ISSN | 0022-3727 |
| Журнал | Journal of Physics D: Applied Physics |
| Том | 31 |
| Первая страница | 1343 |
| Последняя страница | 1351 |
| Выпуск | 11 |
