Anti-roll and anti-drag serial hydrofoils and ship equipped with anti-roll and anti-drag serial hydrofoils

Abstract

The invention discloses anti-roll and anti-drag serial hydrofoils and a ship equipped with the anti-roll and anti-drag serial hydrofoils, and belongs to the technical field of ships. Serial hydrofoils3 are arranged on the bilge portions on the two sides of a ship body 1, a hydrofoil shaft 5 which can rotate around the axis thereof is fixed to each mounting plate 2, the hydrofoils 3 are mounted atthe tail ends of the hydrofoil shafts 5 and are positioned through positioning pins 6. A pair of streamline baffle limit devices 4 are mounted at the two sides of the central line of the other end ofa mounting hole in each hydrofoil shaft on the corresponding mounting plate. The rectangular short hydrofoils are mounted on the left and right bilge portions. The hydrofoils move along with the ship, and each hydrofoil can further rotate around the axis thereof. Under the effect of front incoming flow, push force and lift force are generated, the lift force improves damping of transverse rollingof the ship, and the push force reduces the resistance of the ship, and energy consumption is reduced. By the adoption of the anti-roll and anti-drag serial hydrofoils and the ship equipped with theanti-roll and anti-drag serial hydrofoils, the resistance of the ship is reduced, the energy consumption is reduced, and at same time, the original comfort degree of the ship is ensured.

Description

technical field [0001] The invention belongs to the technical field of ships, and in particular relates to a tandem wing for anti-rolling and drag reduction and a ship equipped with the tandem wing. Background technique [0002] Today's ocean navigation not only requires the safety and reliability of ships, but also requires the comfort of ships. With the progress of human beings and the development of society, people have requirements for the safety and comfort of ships operating on sea vehicles. Higher and higher. When a ship encounters wind and waves during navigation, it will sway. The swaying of the ship will reduce the seaworthiness, safety and comfort of the ship, damage the hull structure, affect the normal operation of equipment and instruments, and cause cargo displacement. Position or impact damage will also make passengers and crew stunned, which may affect the combat effectiveness of combat ships. Reducing the shaking of the ship during navigation, ensuring th...

AI Technical Summary

Problems solved by technology

To a certain extent, the bilge keel can enhance the strength of the hull structure, but it also increases the resistance of the ship's navigation, generally accounting for 3-5% of the hull resistance

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