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Underwater radiated noise is one of the important performances related to stealth of the naval vessel. However, the evaluation can`t be performed frequently due to the cost. Therefore, the estimation method of the underwater radiated noise with average hull vibration is suggested in this paper assuming that the hull of the ship is infinite plate which consists of various unit plates. Through the experiment, the estimated noise is verified from the comparison to the measured data. In addition the difference of underwater radiated noise according to the operating equipments is estimated with measured vibration velocity.

Estimation of the Underwater Radiated Noise of a Naval Vessel Using Hull Vibration