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sions and use of fuel<br />
NR.04/ 11<br />
5<br />
Kværner hull at 16 knots design waterline<br />
Verified calculations<br />
Calculations were verified by model<br />
tests at Sintef Marintek in Trondheim in<br />
October and November 2010 for the Kværner<br />
and Poland B-588 ship series. On site installation<br />
at reference ship Bow Flora and Bow<br />
Sea was completed earlier this year.<br />
Results to date clearly indicate lower fuel<br />
consumption and more speed. The live tests<br />
will continue and are being monitored closely<br />
by the ship’s reporting system.<br />
The scope<br />
The scope of the contract covers all sizes of<br />
<strong>Odfjell</strong> vessels and defines a progress split in<br />
different stages:<br />
• Preparation of supplied information<br />
and data of the ship<br />
• Creation of a digital ship hull, propeller<br />
and Mewis Duct<br />
• CFD - analysis of the Mewis Duct<br />
(Computational Fluid Dynamics)<br />
• Manufacturing of the ship model<br />
and the Mewis Duct model<br />
• Model testing of the ship including<br />
Mewis Duct<br />
Extract of model test result report of the Mewis Duct performance<br />
V PB Fuel Consumption Emission<br />
[kn] [kW] [mt/24h] [mt/year] [mt/year]<br />
NOx CO 2<br />
Ship without<br />
Mewis Duct® 16,1 9.300 37,3 8.200 572 25.994<br />
Ship with<br />
Mewis Duct® 16,1 8.740 34,9 7.670 535 24.314<br />
Economies Cons. 6,0% 6,5% 6,5% ~6,0% ~6,5<br />
Emission calculation<br />
odfjell quarterly magazine
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