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Volume 26 Issue 1
 
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Article Navigation >  Journal of Unmanned Undersea Systems  > 2018  >  26(1): 070-77
DUAN Yong, GUO Jun, ZHOU Ling-bo. Application of Vibration Isolation Technology to Vibration Control of Undersea Vehicle Propulsion Shafting[J]. Journal of Unmanned Undersea Systems, 2018, 26(1): 070-77. doi: 10.11993/j.issn.2096-3920.2018.01.012
Citation: DUAN Yong, GUO Jun, ZHOU Ling-bo. Application of Vibration Isolation Technology to Vibration Control of Undersea Vehicle Propulsion Shafting[J]. Journal of Unmanned Undersea Systems, 2018, 26(1): 070-77. doi: 10.11993/j.issn.2096-3920.2018.01.012
shu

Application of Vibration Isolation Technology to Vibration Control of Undersea Vehicle Propulsion Shafting

doi: 10.11993/j.issn.2096-3920.2018.01.012
  • 1.

    National Key Laboratory on Ship Vibration & Noise, China Ship Scientific Research Center, Wuxi 214082, China

  • 2.

    The 705 Research Institute, China Shipbuilding Industry Corporation, Xi‘an 710077, China

  • Publish Date: 2018-02-28
    Abstract
  • The radiated noise caused by shell vibration from propulsion shafting via supporting bearings is the main noise source of undersea vehicle tail. According to the characteristics of undersea vehicle's propulsion shafting, the application of vibration isolation technology to vibration control of the propulsion shafting was investigated in this study. An elastic spline coupling and a metal-rubber vibration isolation device were designed, which could simultaneously reduce the vibration transmission from engine output part to tail shaft or from propulsion shafting through supporting bearings to undersea vehicle shell. Test was performed on the land test bed to verify the effect of the vibration isolation technology, and the results showed that the elastic spline coupling and metal-rubber vibration isolation device can effectively reduce the shell's vibration response to the propulsion shafting with the decrease of 9 to 11dB.

     

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