An additional mechanism of spark electroconductive channel transversal evolution during transition to arc
An additional mechanism of electroconductive channel evolution due to electronic heat conductivity in nonequilibrium plasma is considered in the work. Two-temperature models of stationary arcs are considered, the condition of the models application to simulating the arc phase of a spark discharge is...
Збережено в:
| Дата: | 2012 |
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| Автори: | , , |
| Формат: | Стаття |
| Мова: | Russian |
| Опубліковано: |
National Technical University "Kharkiv Polytechnic Institute" and State Institution “Institute of Technical Problems of Magnetism of the National Academy of Sciences of Ukraine”
2012
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| Теми: | |
| Онлайн доступ: | http://eie.khpi.edu.ua/article/view/2074-272X.2012.5.14 |
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| Назва журналу: | Electrical Engineering & Electromechanics |
Репозитарії
Electrical Engineering & Electromechanics| Резюме: | An additional mechanism of electroconductive channel evolution due to electronic heat conductivity in nonequilibrium plasma is considered in the work. Two-temperature models of stationary arcs are considered, the condition of the models application to simulating the arc phase of a spark discharge is validated. The given condition is based on ionization equilibrium time estimation. A mathematical model of electroconductive region expansion through mechanism of electronic heat conductivity is presented. Influence of the gas-discharge medium pressure, the plasma heavy component temperature gradient, the electric field strength on the electroconductive region evolution dynamics is investigated. |
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