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Volume 40 Issue 2
Feb.  2014
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Journal of Beijing University of Aeronautics and Astronautics  > 2014  >  40(2): 160-165.
Yue Kuizhi, Sun Cong, Ji Jinzuet al. Numerical simulation on the stealth characteristics of twin-vertical-tails for fighter[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(2): 160-165. (in Chinese)
Citation: Yue Kuizhi, Sun Cong, Ji Jinzuet al. Numerical simulation on the stealth characteristics of twin-vertical-tails for fighter[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(2): 160-165. (in Chinese)
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Numerical simulation on the stealth characteristics of twin-vertical-tails for fighter

  • School of Aeronautic Science and Engineering, Beijing University of Aeronautics and Astronautics,Beijing 100191, China

  • Received Date: 08 Apr 2013
  • Publish Date: 20 Feb 2014
    Abstract
  • In order to reduce the radar cross section (RCS) of fighter, the twin-vertical-tails effect on the RCS character of fighter was studied. The 3D digital fighter prototype was meshed. The RCS character effect of head, side and tail in three-surface fighter when twin-vertical-tails had a same deflection to two direction based on physical optics method was simulated. The electromagnetic testing on prototype fighter shrunk on a certain scale was made. The practicality of the physical optics method and the accuracy of numerical simulation were verified. The simulation results show that the side RCS of three-surface fighter reduced to 9.8% of what it had been, but the head and tail RCS had a little change when twin vertical fins deflected from 0° to 10°.

     

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