Fluid Mechanics · worked example
Liquid volume and total capacity of a 2 m × 5 m horizontal tank (2:1 ellipsoidal heads) at the stated fill level.
| Orientation | Horizontal |
| Head type | 2:1 ellipsoidal |
| Inside diameter | 2 m |
| Straight shell length | 5 m |
| Liquid level | 1 m |
| Liquid volume | 8901.2 L |
| Liquid volume | 8.9012 m³ |
| Liquid volume | 2351.4 US gal |
| Fill level | 50.0 % |
| Total capacity | 17802.4 L |
| Total capacity | 17.8024 m³ |
| Ullage (empty) | 8901.2 L |
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