Abstract
ABSTRACT This paper describes a technique for the measurement of reignition voltage characteristics of spark gaps after the passage of a high current discharge. The initial discharge current is varied from 100 to 235 kA, and recovery-measurements in air at atmospheric pressure are given for 6 4 and 16 mm diameter tungsten electrodes and for 16, 19 and 76 mm diameter copper electrodes. The effects of gap length, current amplitude and electrode size and material are discussed, and it is observed that electrode size has a powerful influence upon the recovery process Gas temperatures are derived on the assumption that Paschen's law holds during the final recovery period.
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