What is purpose of Bulbous Bow fitted on ships?

1. Reduces the bow wave, due to the wave generated by the bulb itself, making the ship more efficient in terms of energy.
2. Increases the ship’s waterline length, slightly increasing the ship speed, reducing the installed power requirements and so the fuel oil consumption.
3. Works as a robust “bumper” in the event of a collision.
4. Allows the installation of the bow thrusters at a foremost position, making it more efficient.
5. Allows a larger reserve of flotation or a larger ballast capacity forward.
6. Reduces the pitch movement.

Points to pounder for bulbous bow :

Bulbous bows have been found to be most effective when used on vessels that meet the following conditions: