bulbous bow


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bulbous bow

[′bəl·bəl ′bau̇]
(naval architecture)
A large, elliptical or cylindrical swelling of the lower underwater hull form protruding forward of the bow designed to cancel wave-making at high speeds.
References in periodicals archive ?
Photographer James Morgan who came up with the idea, backed by Cunard, to put Captain Oprey on the bulbous bow said safety was paramount, with two safety craft standing by during the photo-shoot, but he remained sure-footed throughout.
Therefore, the three-dimensional potential flow solver (Dejhalla, 1999) and the genetic algorithm (Goodman, 1996) have been coupled to build a procedure for the bulbous bow optimization.
The newly developed LPG carrier does not have the bulbous bow and compensates with a slimmer bow, the company said.
The only changes to the original would be below the water line including welding and not riveting, a bulbous bow for greater fuel efficiency, diesel generation and enlarged rudder and bow thrusters for increased manoeuvrability.
If the striking ship has a bulbous bow, first a conventional ship without bulb is considered and all the plates in contact with the bow are found.
The 35-ft minke whale died several days ago after being struck by the bulbous bow of the 56, 000- ton ne Atlantic Cartier, en route from Canada to Liverpool across the Atlantic.
One of the more drastic redesigns in the ship is a bulbous bow unit, which will give the carrier a larger under-the-water line, Petters explained.
The bulbous bow design takes into consideration varying operating speed, draughts and sea states that Offshore Support Vessels (OSV) typically operate in and is designed to maximise its effectiveness over a wide range rather than a tuned design point.
Construction of a new passenger ferry for the one-man operation as a 1-screw ship, powered by diesel mechanical drive, modified form of a ship with bulbous bow, field of application mainly in ferry traffic between Priwall and TravemE-nde, additional travel areas in the Zone 2 / sea and inland and Zone 3 and 4 according to applicable Loadline as a passenger vessel in year-round day and night driving.