The Decay of a Spark Channel which has ceased to carry Current
The method used by Somerville and Williams to study the development of a spark column by passing through it a delayed current pulse has been extended so that the whole evolution and decay of the channel may be examined. The column produced by a 32 A spark in air with duration less than 100 nsec is found to expand initially in close association with a cylindrical shock wave; a period of slower expansion follows in which, presumably, conditions within the column approach pressure...[Show more]
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|Source:||Proceedings of the Physical Society|
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