| Автор | Benilov, M S |
| Автор | Carpaij, M |
| Автор | Cunha, M D |
| Дата выпуска | 2006-05-21 |
| dc.description | Numerical investigation of steady-state interaction of a high-pressure argon plasma with a cylindrical tungsten cathode is reported. A whole ‘zoo’ of very diverse modes of current transfer is revealed. Detailed results are given for the first five (three-dimensional) 3D spot modes, four of them branching off from the diffuse mode and one from the first axially symmetric spot mode. Divergences in the general pattern of solutions, which have been present in preceding works, are resolved. Hypotheses on stability of steady-state solutions, available in the literature, are analysed. It is found that these hypotheses provide an explanation of the fact that the transition between diffuse and spot modes is difficult to reproduce in the experiment but they do not explain the indication that it is the low-voltage branch of the first 3D spot mode that seems to occur in the experiment. Thus, the question of stability of steady-state solutions remains open: an accurate stability analysis, as well as additional experimental information is required. |
| Формат | application.pdf |
| Издатель | Institute of Physics Publishing |
| Копирайт | 2006 IOP Publishing Ltd |
| Название | 3D modelling of heating of thermionic cathodes by high-pressure arc plasmas |
| Тип | paper |
| DOI | 10.1088/0022-3727/39/10/024 |
| Electronic ISSN | 1361-6463 |
| Print ISSN | 0022-3727 |
| Журнал | Journal of Physics D: Applied Physics |
| Том | 39 |
| Первая страница | 2124 |
| Последняя страница | 2134 |
| Аффилиация | Benilov, M S; Departamento de Física, Universidade da Madeira, Largo do Município, 9000 Funchal, Portugal |
| Аффилиация | Carpaij, M; Lighting Technology Institute, University of Karlsruhe, Kaiserstr. 12, 76128 Karlsruhe, Germany |
| Аффилиация | Cunha, M D; Departamento de Física, Universidade da Madeira, Largo do Município, 9000 Funchal, Portugal |
| Выпуск | 10 |
