EXPLOSIVE CATHODE PROCESSES AND CONTRACTION OF A HIGH-CURRENT NANOSECOND DISCHARGE.

Yu D. Korolev, V. A. Kuz'min, G. A. Mesyats, V. P. Rotshtein

Результат исследований: Материалы для журнала › Статья › рецензирование

Аннотация

Nanosecond discharges in air are investigated at pressures in the range 10-100 torr with a current density of (1-5). 10**3 A/cm**2. The results show that a high-conductivity spark channel is initiated by a cathode spot a certain time after the initiation of the discharge. The duration of discharges without spots is measured. A mechanism for the appearance of a spot based on an instability of the cathode sheath caused by field emission from microscopic protuberances is discussed.

Язык оригинала	Английский
Страницы (с-по)	236-238
Число страниц	3
Журнал	Soviet physics. Technical physics
Том	24
Номер выпуска	2
Состояние	Опубликовано - фев 1979

ASJC Scopus subject areas

Engineering(all)

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abstract = "Nanosecond discharges in air are investigated at pressures in the range 10-100 torr with a current density of (1-5). 10**3 A/cm**2. The results show that a high-conductivity spark channel is initiated by a cathode spot a certain time after the initiation of the discharge. The duration of discharges without spots is measured. A mechanism for the appearance of a spot based on an instability of the cathode sheath caused by field emission from microscopic protuberances is discussed.",

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AU - Rotshtein, V. P.

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AB - Nanosecond discharges in air are investigated at pressures in the range 10-100 torr with a current density of (1-5). 10**3 A/cm**2. The results show that a high-conductivity spark channel is initiated by a cathode spot a certain time after the initiation of the discharge. The duration of discharges without spots is measured. A mechanism for the appearance of a spot based on an instability of the cathode sheath caused by field emission from microscopic protuberances is discussed.

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