Globally recognized maritime research institute MARIN has verified that efficiency levels modeled for ABB Dynafin™ propulsion concept will convert to real-world ship performance gains, following tests at its Concept Basin in the Netherlands. The enhanced efficiency correlates to substantial fuel savings and significantly lower ship emissions compared to conventional propulsion set-ups.
Launched in May 2023, after a decade of development, ABB Dynafin™ offers a fresh perspective on ship propulsion. Its main electric motor powers the rotation of a large horizontal wheel which supports vertical blades – each controlled by an individual motor to mimic the motion of a whale’s tail. Combined, the motions simultaneously propel and steer the ship to optimize thrust and positioning precision.
In comprehensive open water tests, MARIN’s measurements and data analysts, working together with specialists from ABB Marine & Ports and ABB Corporate Research in Sweden, confirmed the positive effects for efficiency and performance. Tests verified ABB Dynafin™ at 18 knots speed achieves up to 81 percent open water efficiency in full scale.
“At MARIN, we measure hydrodynamic forces and moments, and determine hydrodynamic efficiency. All mechanical and electric losses have been subtracted from the test set-up,” said Jie Dang, Senior Project Manager and Principle Investigator (PI) of MARIN.
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