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 ?
Thanks to her well-engineered steel hull with bulbous bow, Asya will ensure a smooth path through water, and will be the perfect home away from home in all sea conditions.
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.
THESE amazing pictures show the captain of the world's biggest ocean liner as never before - standing precariously on the giant ship's bulbous bow a few inches above the ocean.
The strategy proved its worth when the ship Maersk Norwich hit a whale and arrived in Rotterdam harbour in June last year with the 12-metre animal lying dead across its bulbous bow.
The four vessels with a DWT of 58,500 tonnes will employ a new hull design - without bulbous bow - assuring that the vessels will have a substantial saving on fuel consumption.
The Ford had the lower section of its bulbous bow lifted into place earlier this year.
The most obvious changes from the original Titanic would be below the water line, including welding rather than rivets, a bulbous bow for greater fuel efficiency and enlarged rudder and bow thrusters for increased maneuverability, Palmer said.
This robustly constructed long-range vessel features an efficient, steel displacement hull with a bulbous bow, active quad-fin stabilizers, bow and stern thrusters and fully protected propellers and rudders.
The developed procedure proved to be effective, and the idea is to enhance the potential flow solver to obtain a nonlinear potential flow solution for more accurate results in optimization of the hulls with bulbous bow.
As well as a deep-V hull to provide excellent performance, sea-keeping and manoeuvrability, we have incorporated an anti-slamming bow profile which is combined with an efficient bulbous bow.
Ronald Reagan's keel was laid in 1998, then hull construction began, and two years later a newly designed bulbous bow (above) was attached.
A conventional LPG ship has a box-shaped tank that stretches to the bow, and is equipped with a bulbous bow, which protrudes at the bottom and lessens the impact of waves.