Influence of the Height above Sea Level on the Volumetric Suction Efficiency
Influence of the Height above Sea Level on the Volumetric Suction Efficiency Atmospheric pressure as given by average barometer reading | |||
| Height above sea level, ft. | Atmospheric pressure, in. of mercury | Atmospheric Pressure, in PSI (approximate) | Relative volumetric efficiency |
| 0 | 29.92 | 14.7 | 1.000 |
| 1,000 | 28.85 | 14.2 | 0.965 |
| 2,000 | 27.82 | 13.7 | 0.931 |
| 3,000 | 26.82 | 13.2 | 0.892 |
| 4,000 | 25.85 | 12.7 | 0.865 |
| 5,000 | 24.92 | 12.2 | 0.833 |
| 6,000 | 24.00 | 11.7 | 0.803 |
| 8,000 | 22.17 | 10.7 | 0.742 |
| 10,000 | 20.34 | 8.7 | 0.681 |
| 12,000 | 19.30 | 6.7 | 0.645 |