MATEC Web Conf.
Volume 288, 20192019 5th Asia Conference on Mechanical Engineering and Aerospace Engineering (MEAE 2019)
|Number of page(s)||6|
|Published online||14 August 2019|
Research on the Impediment to Vibration Wave Propagation of Pipe from a vibration isolation mass
National Key Laboratory on Ship Vibration & Noise, China Ship Development and Design Center,
* Corresponding author: Gong_yu_feng@163.com
In order to control the pipe vibration, the performance of flexible connection with vibration isolation mass in impeding vibration wave propagation is studied. Based on the principle of impedance mismatching and numerical analysis method, the influences of vibration isolation mass and rotational inertia on the vibration wave propagation in pipe were discussed. The results show that the isolation mass is good at reducing the vibration of wave transmission in intermediate and high frequency domain. Meanwhile, The larger rotational inertia of the isolation mass, the better the damping effect. A useful reference was provided for the application of flexible connection to the vibration isolation and noise reduction of ship pipe.
© The Authors, published by EDP Sciences, 2019
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