While the service identifies new bow shapes based on computational fluid dynamics (CFD) calculations, the new tool explores the effect of alternative operational options. Overall, this approach can customers help save 5-10% on their annual fuel bill. The biggest issue in many retrofit projects is the definition of the individual operational profile. In the past two years the ECO Retrofit service has already helped to upgrade some 200 vessels. Aside from analysing their fleet's past performance, shipowners and operators frequently have questions concerning the future, such as: What if I operate at other conditions some day? Can we change the operational profile again? "Even though our new ECO Retrofit tool cannot change the volatility of the market, it quantifies performance for a bandwidth of scenarios from worst-case to best-case scenarios, supporting more informed business decisions," says Carsten Hahn, Senior Project Engineer ECO Lines at DNV GL - Maritime.
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