Table 3.
Mean (± SD) values for the measured efficiency indices
| Efficiency | GE (%) | T (ml/min/W) | NE (%) | DE (%) | WEe (%) | WEm (%) |
|---|---|---|---|---|---|---|
| Mean (± SD) | 20.0 ± 0.8 | 14.3 ± 0.6 | 23.4 ± 1.0 | 23.8 ± 1.9 | 23.8 ± 1.9 | 32.0 ± 2.9 |
| Range | 18.4–21.4 | 13.4–15.6 | 21.5–25.1 | 20.9–27.3 | 20.8–27.4 | 28.0–38.3 |
GE gross efficiency, T economy, NE net efficiency, DE delta efficiency, WEe work efficiency with extrapolated zero load energy expenditure, WEm work efficiency with measured zero load energy expenditure