A probabilistic method to evaluate bow foils for realistic seas and shipping routes
A probabilistic method to evaluate bow foils for realistic seas and shipping routes
To improve ship efficiency and reduce CO
2 emissions, the use of renewable based energy saving devices is an emerging field. By harnessing the ambient wave energy, ship bow mounted foils can serve as an energy saving device (ESD), reducing the added resistance in waves and generating an additional thrust. This paper presents a methodology to predict the efficiency of bow foils over various regions, seasons and ship routes. The results show that ship length significantly influences the effectiveness of bow foils with respect to differing regions worldwide. The percentage foil retraction is also shown to be a significant factor in operating bow foils with a large variation depending on ship heading and encountered sea state. The presented method, which could be implemented for the assessment of future bow foil designs, provides a holistic approach to evaluate bow foils for route and ship specific energy savings.
Bow foils, CO2 emissions, Energy efficiency, Ship propulsion, Wave augmented propulsion, Wave energy
Townsend, Nicholas
3a4b47c5-0e76-4ae0-a086-cf841d610ef0
December 2022
Townsend, Nicholas
3a4b47c5-0e76-4ae0-a086-cf841d610ef0
Townsend, Nicholas
(2022)
A probabilistic method to evaluate bow foils for realistic seas and shipping routes.
Applied Ocean Research, 129, [103374].
(doi:10.1016/j.apor.2022.103374).
Abstract
To improve ship efficiency and reduce CO
2 emissions, the use of renewable based energy saving devices is an emerging field. By harnessing the ambient wave energy, ship bow mounted foils can serve as an energy saving device (ESD), reducing the added resistance in waves and generating an additional thrust. This paper presents a methodology to predict the efficiency of bow foils over various regions, seasons and ship routes. The results show that ship length significantly influences the effectiveness of bow foils with respect to differing regions worldwide. The percentage foil retraction is also shown to be a significant factor in operating bow foils with a large variation depending on ship heading and encountered sea state. The presented method, which could be implemented for the assessment of future bow foil designs, provides a holistic approach to evaluate bow foils for route and ship specific energy savings.
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More information
Accepted/In Press date: 6 October 2022
e-pub ahead of print date: 23 October 2022
Published date: December 2022
Additional Information:
Funding Information:
This research was supported by the EU as part of the SeaTech project ( https://seatech2020.eu/ ).
Funding Information:
This research was supported by the EU as part of the SeaTech project (https://seatech2020.eu/). [Formula presented] This project has received funding from the European Union's Horizon 2020 research and innovation programme under grant agreement No 857840. The opinions expressed in this document reflect only the author's view and in no way reflect the European Commission's opinions. The European Commission is not responsible for any use that may be made of the information it contains.
Publisher Copyright:
© 2022 The Author(s)
Keywords:
Bow foils, CO2 emissions, Energy efficiency, Ship propulsion, Wave augmented propulsion, Wave energy
Identifiers
Local EPrints ID: 471888
URI: http://eprints.soton.ac.uk/id/eprint/471888
ISSN: 0141-1187
PURE UUID: 5d6391a0-801e-45a9-9ebe-bf8221f3f72d
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Date deposited: 22 Nov 2022 17:35
Last modified: 17 Mar 2024 03:05
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