한국군사과학기술학회지 (Journal of the Korea Institute of Military Science and Technology)

  • 제20권2호
  • /
  • Pages.255-263
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  • 2017
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  • 1598-9127(pISSN)
  • /
  • 2636-0640(eISSN)
한국군사과학기술학회 (The Korea Institute of Military Science and Technology)
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공대공 적외선 미사일의 항력을 고려한 초음속 항공기의 피격성 분석

Susceptibility Analysis of Supersonic Aircraft Considering Drag Force of Infrared Guided Missile

  • 김태일 (연세대학교 기계공학과) ;
  • 김태환 (연세대학교 기계공학과) ;
  • 이환성 (연세대학교 기계공학과) ;
  • 배지열 (연세대학교 기계공학과) ;
  • 정대윤 (국방과학연구소 제3기술연구본부) ;
  • 조형희 (연세대학교 기계공학과)
  • Kim, Taeil (Department of Mechanical Engineering, Yonsei University) ;
  • Kim, Taehwan (Department of Mechanical Engineering, Yonsei University) ;
  • Lee, Hwanseong (Department of Mechanical Engineering, Yonsei University) ;
  • Bae, Ji-Yeul (Department of Mechanical Engineering, Yonsei University) ;
  • Jung, Dae Yoon (The 3rd Research and Development Institute, Agency for Defense Development) ;
  • Cho, Hyung Hee (Department of Mechanical Engineering, Yonsei University)
  • 투고 : 2016.08.17
  • 심사 : 2017.02.24
  • 발행 : 2017.04.05
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초록

An infrared-guided missile has been emerging as a major threat against combat aircraft due to its passive guidance characteristics and with recent advances in stealth technology. Hence, the infrared stealth technology and its effectiveness-evaluation technique become more significant than ever before. In this study, we applied missile aerodynamics to lethal range calculation which allowed more precise prediction. CFD analyses were newly involved in estimating drag force characteristics of an infrared-guided missile. Velocity profiles during flight period of the missile were constructed utilizing these drag characteristics and then incorporated into our in-house code to predict corresponding lethal ranges. The results showed that the present method can predict lethal range more appropriately than the previous one with constant velocity profile. As one of the results, if a fighter gains altitude more which reduces less drag of the attacking missile, then the lethal envelope increases significantly more compared to the lock-on envelope.

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참고문헌

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