Multichannel switch triggered by low-voltage auxiliary discharges

Cohn, D. B.; Long, Wang; Stappaerts, E. A.; Plummer, M. J.; West, John B.

doi:10.1063/1.1136939

Cited by 13 publications

(1 citation statement)

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“…Multichannel railgaps using a variety of triggering methods have been investigated thus far. [1][2][3][4][5] As for multichannel gap switches, the shorter the formative and statistical time lags of each gap, the larger the number of arc channels. As we examined the breakdown characteristics of a sphere/plane gap using a mirror-finished brass plate and a porous metal as plane electrodes, we confirmed that the formative and statistical time lags decrease when porous metals are used as a discharge electrode, 6) so the number of arc channels of a self-breakdown-type railgap with a porous metal is expected to increase.…”

Section: Introductionmentioning

confidence: 99%

Rail Gap Switch Using Porous Metal as Electrode

Furuya¹,

Tanaka²,

Takano³

et al. 2005

Jpn. J. Appl. Phys.

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For multichannel gap switches, the shorter the formative and statistical time lags of each gap, the larger the number of arc channels. As we examined the breakdown characteristics of a sphere/plane gap using a mirror-finished brass plate and a porous metal as plane electrodes, we confirmed that formative and statistical time lags decrease when porous metals are used as a discharge electrode, so we expect that the number of arc channels increases when porous metal is used as one of the electrodes of a rail gap. We compared experimental results to confirm this. As a result, in the case of a gap length of 1 mm, the number of arc channels increases when porous metal is used as an electrode.

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