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Volume 51 Issue 6
Jun.  2025
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Journal of Beijing University of Aeronautics and Astronautics  > 2025  >  51(6): 1816-1823.
CHENG X Q，CAI M Q，WANG S W. Study progress of gap sealing structure for aircraft movable wing[J]. Journal of Beijing University of Aeronautics and Astronautics，2025，51（6）：1816-1823 （in Chinese） doi: 10.13700/j.bh.1001-5965.2023.0397
Citation: CHENG X Q，CAI M Q，WANG S W. Study progress of gap sealing structure for aircraft movable wing[J]. Journal of Beijing University of Aeronautics and Astronautics，2025，51（6）：1816-1823 （in Chinese） doi: 10.13700/j.bh.1001-5965.2023.0397
shu

Study progress of gap sealing structure for aircraft movable wing

doi: 10.13700/j.bh.1001-5965.2023.0397
  • 1.

    School of Aeronautic Science and Engineering，Beihang University，Beijing 100191，China

  • 2.

    The Military Representative Office of the Air Force Equipment Department in Shijiazhuang，Shijiazhuang 050081，China

More Information
  • Corresponding author: E-mail：xiaoquan_cheng@cqjj8.com
  • Received Date: 19 Jun 2023
  • Accepted Date: 08 Sep 2023
    • Available Online: 22 Sep 2023
  • Publish Date: 15 Sep 2023
    Abstract

  • The gap between the main wing surface and the movable wing surface might have a certain impact on the flight performance of the aircraft. The application of the gap-sealing structure will improve the surface smoothness of the wing while achieving effects such as increasing lift, reducing drag, and optimizing operation. This article compares various sealing structure design forms and divides them into two categories: relying on materials and relying on mechanisms. The benefits and drawbacks of each category are examined.The sealing structure products of several aviation parts companies are compared. Analysis is done on intricate designs like wear-resistant free ends. Design suggestions are provided at last, such as rapid disassembly and repair, limitation for the range of the structural stiffness, and a combination of simulation and experiment while designing.

     

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