Experimental investigation into the physics of roll damping of a long slender hull form

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TypeArticle
Journal titleInternational Shipbuilding Progress
Volume39
Issue420
Pages323343; # of pages: 21
AbstractThe results of an extensive experimental program to study the roll damping characteristics of a warship model are reported. The simple free decay curves obtained for a towed as well as a self-propelled nine metre model, fitted with and without bilge keels, rudder and propellers, were analysed using an energy approach. A new nondimensionalisation scheme is used for the representation of the results and used to derive relationships relating the damping coefficient to the value of the metacentric height of the model. The nonlinearity of the damping with forward speed is explained.
Publication date
AffiliationNRC Institute for Ocean Technology; National Research Council Canada
Peer reviewedYes
IdentifierIR-1991-15
NRC number5683
NPARC number8895969
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Record identifier1b7c70a6-5502-4ab6-86bf-f701908d69f4
Record created2009-04-22
Record modified2016-05-09
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