Table 4 Comparison results of standard deviation for different number of droplets.
Electrical voltage levels(kV) | 10 | 20 | 30 |
|---|---|---|---|
\(\:{\updelta\:}\) between 4–6 droplets | 75.58% | 75.55% | 75.58% |
\(\:{\updelta\:}\) between 2–4 droplets | 63.90% | 63.87% | 63.86% |
Electrical voltage levels(kV) | 10 | 20 | 30 |
|---|---|---|---|
\(\:{\updelta\:}\) between 4–6 droplets | 75.58% | 75.55% | 75.58% |
\(\:{\updelta\:}\) between 2–4 droplets | 63.90% | 63.87% | 63.86% |