Stern flap resistance reduction for displacement hulls

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Conference27th Symposium on Naval Hydrodynamics, 5-10 October 2008, Seoul, Korea
SubjectWarship; stern flap
AbstractStern flaps are appendages attached to the transom of a vessel which can decrease resistance at some speeds. This can translate to significant fuel savings when applied to a fleet of similar ships. A recent study investigating a stern flap design for the Canadian Navy?s HALIFAX Class frigates showed a significant sensitivity to trim angle at high speeds. Further exploration on the role of trim angle was conducted using CFD simulations for three naval combatants: the Canadian HALIFAX Class, the U.S. CG-47/DD-963, and the U.S. DDG-51. The CFD simulations were validated against model test data for each hull type, and then used to determine the role of trim angle in resistance reduction from stern flaps.
Publication date
AffiliationNRC Institute for Ocean Technology; National Research Council Canada
Peer reviewedNo
NRC number6599
NPARC number8895395
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Record identifier0a539ae8-f340-448d-8081-205eb644c437
Record created2009-04-22
Record modified2016-05-09
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