Stabilizing method for ocean sailing ships

Abstract

The invention provides a stabilizing method for ocean sailing ships. The method is characterized in that a left pass-through hollowed stabilizing window and a right pass-through hollowed stabilizing window are respectively arranged on two sides of a ship body, so that transverse wind waves can reach the other side from one side of the ship body through the stabilizing windows; the length of each stabilizing window accounts for 10 to 75 percent of the length of the ship body, and the wind wave pass-through area of each stabilizing window is 4m2 to 1200m2; a window door is arranged for each stabilizing window, the window door is fixed on two side plates of the ship body, and the window door can be opened or closed; and a transforming wing which can transform the kinetic energy of the transverse waves passing through the stabilizing window into the forward power of the ship is arranged in each stabilizing window. When the ship shakes in the case of encountering the transverse wind waves during sailing in the sea, the window doors of the stabilizing window are opened, and the wind waves pass through the stabilizing windows from the windward side to the leeward side; and when the wind wave is not strong and the stabilizing windows do not need to be used, the window doors are closed. The stabilizing method is simple and easy, the water surface height on the leeward side can be rapidly increased through an active stabilizing way, the obliquity of the ship body can be reduced, and the shaking of the ship body caused by the collision of the wind wave can be reduced.

Description

technical field [0001] The invention belongs to the technical field of ship anti-rolling, and in particular relates to a method for anti-rolling of a seagoing ship. technical background [0002] Today's ocean navigation in the world 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's requirements for the safety and comfort of ships on the sea surface Increasingly demanding. Reducing the shaking of the ship during navigation, ensuring the safety of the cargo, the ship's crew and the comfort of the ship's crew has gradually become the subject of modern ship design. [0003] For more than a hundred years, people have been devoted to the research of slowing down the rolling of ships, and nearly a hundred different forms of anti-rolling devices and anti-rolling methods have been developed successively by countries all over the world. In order to stabilize the bi...

AI Technical Summary

Problems solved by technology

In order to stabilize the bilge, people adopt the method of installing the bilge keel. On the outside of the bilge strake of the hull, the longitudinal member installed along the length of the ship and perpendicular to the bilge plate is called the bilge keel; The resulting roll is a simple structure and the most widely used anti-rolling and anti-rolling device, but this anti-rolling method is not ideal for anti-rolling when the wind and waves are large

In order to stabilize the fins, people also invented fin stabilizers; in 1985, the British ship "Queen Mary" conducted a fin stabilizer performance test under the condition of heavy wind and waves. 2°, and when the fins are not working, the roll angle reaches 25°, which shows that the anti-rolling effect is quite considerable; the fins are active anti-rolling devices, and their structure mainly includes wing-shaped fins, rotors Fin transmission device, control system, etc., this anti-rolling device and method are relatively complicated

[0004] From a dynamic point of view, the shaking of the ship is caused by the wind and waves exerting unequal forces on both sides of the ship at a certain frequency within a certain period of time. This unequal lateral force makes the hull Tilting with small force; the wind and waves at sea can make the force difference on both sides be dozens of tons, hundreds of tons, thousands of tons, which is more than 30% of the ship's load capacity, and even cause the ship to overturn; how to reduce the force on both sides of the ship Uneven, more lateral force is converted into propulsion of the ship, which is not considered in the existing technology

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