Volume 21 Issue 3
Jun.  2006
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DENG Wang-qun, GAO De-ping. Experimental Investigation on Dynamic Characteristics and High Speed Dynamic Balance of a Cantilever Flexible Rotor[J]. Journal of Aerospace Power, 2006, 21(3): 556-562.
Citation: DENG Wang-qun, GAO De-ping. Experimental Investigation on Dynamic Characteristics and High Speed Dynamic Balance of a Cantilever Flexible Rotor[J]. Journal of Aerospace Power, 2006, 21(3): 556-562.
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Experimental Investigation on Dynamic Characteristics and High Speed Dynamic Balance of a Cantilever Flexible Rotor

  • 1.

    College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

  • 2.

    China Aviation Powerplant Research Institute, Zhuzhou 412002, China

  • Received Date: 2005-04-22
  • Rev Recd Date: 2006-01-18
  • Publish Date: 2006-06-28
    Abstract
  • More than 20 dynamic characteristic experiments of rocket engine oxygen turbopump rotor with different combination of elastic support and metal-rubber damper(combined bearing) were conducted.High speed dynamic balance and repeatability check experiments of the rotor were also conducted with an optimum combined bearing.The results show that the dynamic characteristics of cantilever flexible rotor can be improved by optimum combination of elastic support and metal-rubber damper.The dynamic deflection of the rotor and the dynamic stress of the elastic support can significantly be reduced by single plane high speed dynamic balance technique,and additional unbalance caused by disassembly and assembly will not materially destroy the original balance so long as the accuracy of balancing and the quality of assembly are ensured.

     

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    • References(5)
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    邓旺群,高德平.涡轴发动机动力涡轮转子动力特性研究[J].航空动力学报,2003,18(6):717～722.Deng Wangqun,Gao Deping.Dynamic Characteristics Study of a Power Turbine Rotor of a Turbine Shaft Engine[J].Journal of Aerospace Power,2003,18(6):717～722.
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    郭宝亭,朱梓根.金属橡胶阻尼器在转子系统中的应用[J].航空动力学报,2003,18(5):662～668.Guo Baoting,Zhu Zigen.Application of Metal-Rubber Damper to the Rotor System[J].Journalof Aerospace Power,2003,18(5):662-668.
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    许建东,郭宝亭,朱梓根,李其汉.金属橡胶材料的振动特性[J].航空动力学报,2004,19(5):619～622.Xu Jiandong,Guo Baoting,Zhu Zigen,Li Qihan.The Vibration Performance of Metal-Rubber Material[J].Journal of Aerospace Power,2004,19(5):619～622.
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