Data on Largest Fluctuations
| Trial no. | Number of pumps | Largest fluctuation (%) |
|---|---|---|
| 1 | 1 pump; initial 30 min | 3.9 |
| 2 pumps | 16.6 | |
| 2 | 1 pump; initial 30 min | 3.5 |
| 3 pumps | 15.7 | |
| 3 | 1 pump; initial 30 min | 3.6 |
| 4 pumps | 15.7 | |
| 4 | 1 pump; initial 30 min | 2.9 |
| 5 pumps | 16.9 |
Fluctuation for a single pump running 30 min in each trial of 2–5 pumps ranged from 2.9% to 3.9%. This fluctuation increased significantly when 1 or more pumps were added in each trial (15.7%–16.9%).