60n 



cn 



^ 50-J 



LU 



> 40^ 



o 



LiJ 



u. 



UJ 



o 



X 



Ld 

 Q 

 2 



30- 



20- 



10- 



Diameter of Electrodes 

 «. . ^ ^ I/p Inches 



^ 2 Inches 



^■r' 



0- 



12 18 24 30 



ELECTRODE SPACING 

 (Inches) 



36 



Figure l4. —Effect of electrode spacing in relation to electrode 

 diameter using a width of electrical field of 3 feet 

 at a kO° angle of electrical field with a voltage 

 gradient of 1 volt/cm., a pulse frequency of 

 8 pulses/sec, a pulse duration of kO milliseconds, 

 and a square wave form. 



31 



