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Upgraded MMG-methodology to capture gate-rudder performance aspects
Citation Link: https://doi.org/10.15480/882.9324
Publikationstyp
Conference Paper
Date Issued
2024-04-04
Sprache
English
Author(s)
Wärtsilä Propulsion, Drunen, The Netherlands
TORE-DOI
Start Page
281
End Page
292
Citation
8th International Symposium on Marine Propulsors (smp 2024)
Contribution to Conference
Publisher
Norwegian University of Science and Technology, Department of Marine Technology
ISSN
2414-6129
ISBN
978-82-691120-5-4
Peer Reviewed
true
The Gate-Rudder concept is one of the ideas which is investigated in the EU-project CHEK to reduce the vessel emissions. The research in this project is based on fullscale CFD simulations of a bulker vessel. The conventional scope has been extended with vessel-drift and rudder-steering actions, which are expected to occur when the CHEK bulker is equipped with wind-assisted propulsion. The CFD results for vessel drift and rudder angles have revealed interesting findings when the rudder performance is compared to conventional rudders. To cover a larger range of vessel operating conditions a dynamic system simulation model is created, based on the CFD dataset. This model gives the vessel operating condition (RPM, vessel drift and rudder angle) for given vessel speed and external force. The published MMG method has been adapted to implement the specific behavior of the Gate-Rudder. With the adjusted method comparisons can be made between the reference case and the Gate-Rudder concept. It has been found that the performance of the Gate-Rudder is especially good in case of some disturbances like drift and rudder angle, which is regarded to be typical for CII performance. Therefore, the use of the straight-sailing, calm water condition as representative vessel operating condition must be reconsidered.
Subjects
Gate-Rudder
propulsion
CFD
CHEK
CII
DDC Class
620: Engineering
Publication version
publishedVersion
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Name
Bulten-UpgradedMmgmethodologyToCaptureGaterudderPerformanceAspects-1136-1-final.pdf
Type
Main Article
Size
4.6 MB
Format
Adobe PDF