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Yan Yu, Yu Li, Lyu Binbin, Luo Jianguo. Research on flutter test technique in supersonic wind tunnel[J]. Journal of Experiments in Fluid Mechanics, 2016, 30(6): 76-80. DOI: 10.11729/syltlx20160078
Citation: Yan Yu, Yu Li, Lyu Binbin, Luo Jianguo. Research on flutter test technique in supersonic wind tunnel[J]. Journal of Experiments in Fluid Mechanics, 2016, 30(6): 76-80. DOI: 10.11729/syltlx20160078
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Research on flutter test technique in supersonic wind tunnel

  • China Aerodynamics Research and Development Center, Mianyang Sichuan 621000, China

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  • Received Date: May 08, 2016
  • Revised Date: October 15, 2016
    Graphical Abstract
    • Abstract
  • When the wind tunnel starts or ends running, there is a large impact load which could damage the flutter model easily. In order to solve the problem, a supersonic flutter insertion system is developed in FL-23 wind tunnel of CARDC. During the flutter tests, the insertion system pushes the model into the flow after the impact load disappears, and at the end of the tests or if the flutter occurs, the insertion system pulls the model back quickly. The test results show that the insertion system could protect the flutter model from damage effectively and ease the intensity limit of the model. The dynamic pressure achieved from the subcritical prediction is close to the flutter test result. As a conclusion, a practical supersonic flutter testing platform has been established in CARDC.
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    • References (15)
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