Study on the Percentage of Mechanical Vibration Source´s Contribution of an Underwater Vehicle

The percentage of mechanical vibration source´s contribution of an underwater vehicle was studied by partial coherence method and the implement flow was set up. To identify the main noise sources of the underwater vehicle, its power-cabin was used in the vibration test. The percentage of each source´s contribution was determined by the method. The feasibility and practicality of this method was validated by cabin test.