Fig. 18

Mixing index (%) versus time at different frequency. \(\left( {U_{0} = 0.2 \,{\text{mm}}/{\text{s}} \,{\text{and}} \,V_{0} = 2\, {\text{V}}} \right)\).

Mixing index (%) versus time at different frequency. \(\left( {U_{0} = 0.2 \,{\text{mm}}/{\text{s}} \,{\text{and}} \,V_{0} = 2\, {\text{V}}} \right)\).