Energy-saving device for ship bow

The invention discloses a ship bow energy-saving device which is applied to a ship with bulbous bow characteristics and comprises shape-preserving plates arranged on the two sides of a ship bow. The front edges of the two shape-preserving plates are arranged in the vertical direction and connected together, the top of the combination position of the front edges of the two shape-preserving plates is connected with the inclined section of the ship bow to form a top intersection point, and the bottom of the combination position is connected with the point at the foremost end of the bulbous bow. The height of the top edge of the shape-preserving plate is flush with the top intersection point, and the bottom edge of the shape-preserving plate is flush with a point at the foremost end of the bulbous bow; the top edge, the bottom edge and the rear edge of the shape-preserving plate are all in smooth connection with the surface of the original ship body. The device can be applied to a ship with ...