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Gaining further insight into Wind Assisted Ship Propulsion

AuthorsGijs Struijk, Rogier Eggers
Conference/JournalMARIN Report 130
DateDec 7, 2020
Reading time6 minutes
Wind Assisted Ship Propulsion (WASP) is one of the methods available to help the shipping world reduce its reliance on (fossil) fuel and thereby enable a zero emission future. Of course this goes together with simply saving energy through measures such as having the main dimension and hull form optimised for actual operational conditions, efficient operations, and alternative carbon free or carbon neutral fuels. Each of these can also be applied to make gradual steps to achieve the final goal.

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To allow us to carry out a more detailed evaluation of the in-situ
wind field, MARIN has invested in new measurement technology, the latest addition being a wind scanner Lidar. This enables a high-fidelity, 3D undisturbed wind field to be resolved from a single measurement device.Within a MIIP project, MARIN will perform a measurement campaign on board the MV Ankie, a coastal freighter equipped with eConowind’s Ventifoils.

MV Ankie, subject vessel for the MIIP project. Courtesy eConowind

MV Ankie - subject vessel for the MIIP project
Representing the first use of such a wind scanning Lidar on board a vessel, this data will be key to achieving a proper assessment of the real-world performance of innovative wind-assisted solutions.
Visualisation of airflow streamlines and dynamic pressure coefficient distribution along free standing Ventifoil.