Abstract
ABSTRACTNoise and vibration are generally related to each other; however, on board a ship it is often very difficult to understand how one contributes to the other. This paper describes an investigation that was undertaken to identify the major sources of self noise on a ship that reported a relatively high level of self noise. The investigation shows that when the ship's speed was below 15 knots the main engine and hull vibration were the main sources of self noise, while propeller cavitation was the major cause of noise at speeds beyond 15 knots.
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