Abstract No.C171202-077

Author name(s): Zhigang WANG, Chaoqun YAN, Bingjie MA

Company: Shanghai Marine Diesel Engine Research Institute, China

The vibration and noise level of marine diesel engine has a direct influence on the comfort and acoustic concealment of navy ship, which has been the important mark of engine performance as well as power density, volume and weight and so on. This paper presents the development of identification and separation of noise source, the intake and exhaust noise control technique, the modern prediction method of noise and the new findings of noise control method．It also elaborates the future trend of noise control technology of internal combustion engine, which provides the guides and basements to assist technology investigation, product developing and system design.

KEY WORDS: marine diesel; vibration; noise

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