Lifetime of a fast, high-voltage vacuum spark gap

The double cylindrical Z pinch has been investigated experimentally and the relevant parameters were computed with a modified snowplow model. The apparatus had a radius of 10 cm. an anode-cathode distance of 3.6 cm. and a capacitor bank of 1.7410-' Farad operated at 16.5 k V with a filling of -10l6 molecules ~m -~.A plasma with a density of 4 lo1* particles cm' with an ion temperature of -300 eV was collected at the center of the chamber. The plasma emitted up to IO-D D neutrons, soft and hard X-rays. The pulse length was -400 ns. considerably longer than a neutron pulse from a simple pinch.The plasma expanded in an orderly way after the emission. However. most of the neutrons and X-rays originated from an acceleration mechanism as concluded from the shape and height of the neutron pulse and from the computations. A very long X-ray pulse of a few pecs. reported earlier. has not been observed.

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Lifetime of a fast, high-voltage vacuum spark gap

Abstract: The operation of a fast, high-voltage vacuum spark gap is affected by the pumping speed after each shot. A simple means to prolong the gap lifetime is proposed.

Cited by 5 publications

References 2 publications

One-electron reduction of aromatic halides and the solvent effects on the unimolecular dissociation of the radical anion

One-electron reduction of aromatic halides and the solvent effects on the unimolecular dissociation of the radical anion

Bibliography¶§¶Key to symbols:§References 1007–2006, some of which are referred to in this volume, appear in Volume III. A few of these references have been updated; the new references are given on p. 474 of this volume. References 1–1006 appear in Volumes I and II.

Investigation of a double cylindrical Z pinch

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