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Assessing the aerodynamic performance of Flettner rotors on the MARIN Hybrid Transition Coaster (MHTC)

AuthorsMaxime Garenaux
Conference/JournalMARIN Report 130
DateDec 7, 2020
Reading time3 minutes
While previously the performance of wind propulsors was essentially obtained from wind tunnel tests or CFD without considering the ship, it is now understood that interaction effects between a vessel and its wind propulsors cannot be omitted.

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Flettner rotors on MHTC

A numerical approach using RANS simulations has been developed to estimate the effects of the interaction between the MARIN Hybrid Transition Coaster (MHTC) and its three Flettner rotors. The performance of the Flettner rotors positioned on the deck of the vessel is compared to the performance of a free-standing Flettner rotor. Large changes in forces on the Flettner rotors were found, compared to the performance of a free-standing Flettner rotor.

Flow visualisation around the Flettner rotors

Flettner rotors on MHTC
Flow visualisation around the Flettner rotors.