POS Experiments On Microsecond Inductive store GI-4 with gas-puff plasma guns

Experimental results of microsecond plasma opening switch operation with four gas-puff plasma guns installed at the 1 TW GI-4 generator are given. The POS switching characteristics deteriorated for heavier gases. Stored current amplitude reached 1-1.2 MA and voltage ≲ 2 MV during switching on induct...

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Hauptverfasser:	Ananjin, P.S., Hastrikov, A.N., Bugaev, S.P., Bystritskii, V.M., Grigoriev, S.U., Karpov, V.N., Kim, A.A., Kovalchuk, B.M., Kokshenev, V.N., Krasik, Y.E., Mesyats, G.A., Podkatov, V.I., Petrov, A.V., Sinebrjukhov, A.A., Usov, Y.P., Yakovlev, V.P.
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Electron guns Nuclear electronics Nuclear physics Nuclear power generation Plasma density Plasma diagnostics Plasma measurements Plasma properties Switches Voltage
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Zusammenfassung:	Experimental results of microsecond plasma opening switch operation with four gas-puff plasma guns installed at the 1 TW GI-4 generator are given. The POS switching characteristics deteriorated for heavier gases. Stored current amplitude reached 1-1.2 MA and voltage ≲ 2 MV during switching on inductive load of 200 nH with hydrogen puff plasma and 400 kV of output Marx voltage. The P0S translation length based on activation measurement along the axis made up 60 cm for 30 kA/cm of cathode linear density. The total number of high energy proton fraction in the P0S reached ˜ 0.5 MA with characteristic double hump ion flow density distribution and main maximum of 400 A/cm 2 at 30 cm distance from the gas-puff plasma guns. The analysis of diagnostic reliability and experimental results are given. The future experiments with P0S operating on diode load at GI-4 are discussed.
DOI:	10.1109/PLASMA.1991.695725