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SAFETY4SEA

ABB draws inspiration from whales for innovative propulsion system

by The Editorial Team
May 31, 2023
in Technology
ABB draws inspiration from whales for innovative propulsion system

Credit: ABB

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ABB today introduced ABB Dynafin, a new concept of propulsion system which enables the user to operate each propulsion fin individually in real time.

Inspired by the dynamic motions of a whale’s tail, the innovative concept is the result of over a decade of research, development, and testing. The co company estimates that the first prototype to be available in 2025.

The new propulsion concept features a main electric motor that powers a large wheel rotating at a moderate 30-80 rounds per minute. Vertical blades, each controlled by an individual motor and control system, extend from the wheel.

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The combined motion of the wheel and blades generates propulsion and steering forces simultaneously, enabling ground-breaking operational efficiency and precision for ships. The concept follows ABB’s proven design philosophy in marine propulsion of gearless power transmission.

ABB draws inspiration from whales for innovative propulsion system
Credit: ABB

ABB Dynafin™ shows what is possible when marine engineers pursue radical innovation and progress, inspired by the interplay of evolution and technology

… said Juha Koskela, Division President, ABB Marine & Ports

According to ABB, an independent study of ABB Dynafin™ from OSK-ShipTech A/S of a passenger vessel design equipped with different propulsion solutions has verified savings in propulsion energy consumption of up to 22 percent compared to conventional shaftline configuration.

As a result, this can deliver significant savings in fuel consumption and help to avoid emissions. As part of an electric propulsion power system, the concept is also fully compatible with zero-emission battery and fuel cell technologies.

No single solution can decarbonize shipping

… as an ABB representative stated

Initially available in the power range of 1–4 MW per unit, the new propulsion concept is particularly effective for medium-sized and smaller vessels, including ferries for passengers and vehicles, offshore support vessels operating at wind farms, and yachts.

By reducing vibrations and noise levels, the system improves passenger and crew comfort. In addition, the propulsion concept delivers superior maneuverability, and positioning performance, i.e., the capacity of the vessel to maintain the desired position and heading.

The idea of whale tail movement as propulsion has been around for years but now is the time for it to become reality

… said another company representative

 

ABB draws inspiration from whales for innovative propulsion systemABB draws inspiration from whales for innovative propulsion system
ABB draws inspiration from whales for innovative propulsion systemABB draws inspiration from whales for innovative propulsion system
Tags: ABBinnovationoperational efficiencyreducing shipping emissionsship propulsiontechnologywhales
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