Abstract
With the emphasis today upon extended environmental conditions for electronic equipment used in military aircraft and guided missiles, there is a pressing need for the simultaneous testing of such equipment under two or more of these extreme environments. This paper describes a program completed by the General Electric Company covering the testing of spark gaps in the Brookhaven National Laboratory's graphic reactor. It consisted of a 2-week in-pile exposure designed to investigate the voltage breakdown strength of air at various pressures in the presence of intense nuclear radiation of the following approximate levels: Fast flux: 1 × 1011 fast neutrons per cm2-sec (centimeter2-seconds) Thermal flux: 2 × 1012 thermal neutrons per cm2-sec Gamma flux: 1 × 1012 gamma photons per cm-sec2
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