Advanced shipbuilding technology that reduces the roll and pitch of the ship

Due to the waves and the wind, when the ship sails in the water, it always has to sway from side to side. The violent shaking will not only cause the ship to overturn, but also prevent people from staying on the ship for a long time.

Most ships are equipped with anti-rolling devices, the most effective of which is the steerable stabilizing fins. The fins extend straight from the hull to the waterline and operate in opposite directions. If the direction of the roll is toward the starboard side, the leading edge of the fin on the side is rotated upward. The pressure of the flowing water pushes the fins upwards, and the tendency of the hull to continue to rock in this direction is suppressed. At the same time, the fins on the port side rotate downward, and the water flowing from the front is downwardly displayed. pressure. The opposing cooperation between the two forces produces a powerful positive effect. The speed and accuracy of the gyroscope operation tends to be suppressed before the roll is sharpened. Thereby the hull is stably driven.

Some freighters are equipped with a swaying water tank. Each tank has one on each side of the hull. Each tank holds half of the tank water and is connected by a narrow duct. When the hull begins to roll to the port side, the water in the starboard tank flows toward the left, but the flow is slower due to the narrowness of the pipe. When most of the water in the starboard tank has flowed to the other side, the hull swayed to the starboard side, but the weight of the water in the left tank slowed down the movement. The two-cabin interflow time lags behind the hull of the hull, which reduces the roll of the ship.

When the ship encounters the waves in the forward direction, it will tilt forward and tilt the ground, and the roll will be more terrible. The combination of waves that the vessel encounters with its internal pitching beat will pitch. However, waves that are shorter than the hull will not cause the ship to pitch. Therefore, ship designers only focus on waves that are as long or longer as the hull. If he can design a hull that can move freely in those waves, the longer the ship is made, the longer the critical wave, and the faster the ship becomes, the faster the ship can be effectively prevented. The swaying of the hull caused the ship to adapt to various harsh navigation conditions.

Installation Procedure

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