Volume 29 Issue 2
Feb.  2014
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Article Navigation >  Journal of Aerospace Power  > 2014  >  29(2): 259-267
LIU Jian, GONG Yu, JI Hong-hu. Fighter's infrared characteristics between 8 and 14μm and infrared stealth effect of low emissivity materials[J]. Journal of Aerospace Power, 2014, 29(2): 259-267. doi: 10.13224/j.cnki.jasp.2014.02.003
Citation: LIU Jian, GONG Yu, JI Hong-hu. Fighter's infrared characteristics between 8 and 14μm and infrared stealth effect of low emissivity materials[J]. Journal of Aerospace Power, 2014, 29(2): 259-267. doi: 10.13224/j.cnki.jasp.2014.02.003
shu

Fighter's infrared characteristics between 8 and 14μm and infrared stealth effect of low emissivity materials

doi: 10.13224/j.cnki.jasp.2014.02.003
  • 1.

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

  • 2.

    Department of Conceptual Design and Aerodynamic, Shenyang Aircraft Design and Research Institute, Aviation Industry Corporation of China, Shenyang 110035, China

  • Received Date: 2012-12-26
  • Publish Date: 2014-02-28
    Abstract
  • The infrared integral radiant intensity of a typical fighter within the waveband between 8μm and 14μm and its detection range detected by infrared search/tracking system was calculated by taking into account the influence of the atmospheric transmissivity. The infrared stealth effect of the fighter with use of low emissivity materials was also analyzed. The flow field was calculated by Flunt software,while the infrared radiation characteristics and detection range were simulated by using self-developed software NUAA-IRSE. The results show that the infrared integral radiant intensity increases with the increasing of circumference angle and pitch angle. When applying low emissivity materials, the infrared integral radiant intensity decreases in all directions, leading to an improved infrared stealth effect.

     

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