Charging of a streaming insulating liquid by a high electric field

With the charging geometry number 4 /1/ we got currents figured out (Fig. 2) in dependence of the volume flow V̇ (cm³/s) of the insulating liquid. 133 cm³/s is corresponding to a jet velocity of 100 m/s. The charging voltage UL is the parameter. If you figure up the charging current as a function of the charging field strength EL, a small band of measured values arises for the four charging geometries (Fig. 3).