A novel double-layer cylinder flashboard plasma gun system

A novel double-layer cylinder flashboard plasma gun system is put forward. The inner flashboard of the plasma gun is connected to high voltage, with 160 arcing points uniformly distributed on it. Each arcing point consists of a central electrode and a groove filled by TiH2 powder. The powder is bound to the groove with a sodium-silicate binder. TiH2 is chosen for negative hydrogen production, and one can fill the grooves with other materials for other purposes if needed. Each high voltage electrode is connected with the earth electrode through a 100 Ω resistor, and the plasma is produced in the gap between electrodes. Experimental results show that, when the capacitor is 3 kV/20 μF, the plasma gun is triggered by a current whose amplitude is 150 A and pulse width is 1.5 μs, and the dens