Added resistance in waves is an important part of ship dynamic due to its economical effect on ship exploitation. Can the ship sustain speed in a rough sea state? If not, this will produce delays and economical losses if added resistance is not taken into account in the propulsion design. There are not many simple methods to obtain the added resistance in waves of a ship, and the validity of the results is not always good enough for different ships. In this paper, some theories that can be used to predict the added resistance of a ship are studied and validated against seakeeping tests of some monohull models. Tests and results focus in head seas, which are the most severe for the added resistance. Experimental results are compared with numerical calculations and conclusions about the range of application of the presented theories are obtained.
Some methods to obtain the added resistance of a ship advancing in waves
Einige Verfahren zum Erhalten des Zusatzwiderstands eines Schiffers bei Fahrt im Seegang
Ocean Engineering ; 34 , 7 ; 946-955
2007
10 Seiten, 17 Quellen
Article (Journal)
English
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