Mewis Duct - Fuel Savings Estimate
Annual fuel savings from a Becker Mewis Duct - typically 4–8 % for full-form hulls (tankers, bulkers).
Annual fuel saved
487.2t/yr
Annual USD saving
302,064USD
Formula, assumptions, and limits
Best on single-screw, full-form hulls with slow-speed propeller. Requires CFD/model test verification. Payback 2–3 years typical.
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| Main-engine power | kW | engine data | |
| Saving fraction | - | model test |