The effect of electrode temperature on the sparking voltage of short spark gaps (1924)
NASA Technical Reports Server (NTRS) · leaf 5
point-plane'^ gap illuminated by the arc, the sparking voltage was definitely greater when the pointed electrode was positive than when it w^as negative. Both voltages decreased very decidedly with increase in the temperature of the point. This is sho-vvn by Figure 2, which gives the actual… … ■ 0 eoo 4QO SCO 300 o POO 400 600 em Temperature, Temperature of hot electrode, °C Tig, 2.—sparking voltages at various electrode temperatures with Fig. 3—Direct current sparking voltage at various temperatures ultra-violet illumination on point-plane gap. without arc illumination, expressed in per…
NASA Technical Reports Server (NTRS)
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