938 



THE BELL SYSTEM TECHNICAL JOURNAL, OCTOBER 1951 



IMACTIVE ELECTRODES 



ACTIVE ELECTRODES 



54 



O QC 

 I-IH 48 



46 



~-^ - 1 -±--^4^-- 



0.16 

 0.15 

 0.14 

 0.13 

 0.12 



o.n 



0.10 



0.2 



0.4 0.6 0.8 0.2 0.4 0.6 0.8 



X, FRACTION OF TIME CLOSED 



Fig. 2 — Heat flow data at different values of x, the fraction of the time the electrodes 

 are closed. Left hand curves, inactive electrodes, inductance 0.05 X 10"^/^, closing at 3.3 

 cm/sec. Right hand curves, active electrodes, inductance 10 X 10~^h, closing at 2.5 

 cm/sec. 



INACTIVE ELECTRODES 



ACTIVE ELECTRODES 



50 



«0 UJ 40 



tr z) 



^ *^ ^ ^ 

 _,c 46 



< -• 

 hO 



Oq: 44 



Q. 

 42 



0.16 

 0.15 



? 0.13 



I- 



< 0.12 



0.11 

 0.10 



o • 



ii:zzzzz Z^--r 



o 



~~i — r 



POSITIVE 



NEGATIVE 



0.2 0.4 0.6 0.8 0.2 



CONTACT VELOCITY IN CM PER SECOND 



0.6 



Fig. 3— Data for different velocities at closure, all for x = 0.5. Left hand curves, in- 

 active electrodes, inductance 0.05 X IQ-^h. Right hand curves, active electrodes, in- 

 ductance 10 X 10-«A. 



