Journal of the Korean Society for Aeronautical & Space Sciences (한국항공우주학회지)

The Korean Society for Aeronautical and Space Sciences (한국항공우주학회)
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Study on the Correction of a Wing-tail Interference Effect in a Semi-empirical Aerodynamic Analysis Tool

반경험적 공력 해석도구의 주날개-꼬리날개 간섭 효과 보정에 대한 연구

  • Lee, Dae-Yeon (System Design & Performance Analysis Group, LIG Nex1) ;
  • Kim, Jae-Hyun (System Design & Performance Analysis Group, LIG Nex1) ;
  • Kang, Dong-Gi (System Design & Performance Analysis Group, LIG Nex1)
  • Received : 2020.09.02
  • Accepted : 2021.01.10
  • Published : 2021.02.01
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Abstract

In this paper, the aerodynamic characteristics of general tail controlled missile were predicted and corrected the result using semi-empirical analysis tool. The cause of the error was confirmed by comparing the aerodynamic characteristics prediction result of the semi-empirical analysis tool with the wind tunnel test result, and the main error factor of the semi-empirical analysis tool was the interference component between the main wing and the tail wing. The semi-empirical analysis results were corrected using the wind tunnel test results and the computational analysis results, and it was confirmed that the corrected data agrees well with the wind tunnel test results. Through this study, it was confirmed that the wing-tail interference component correction is needed when predicting the aerodynamic characteristics of a general tail controlled missile using a semi-empirical analysis tool.

본 논문에서는 반경험적 해석도구를 이용하여 일반적인 형상의 꼬리날개 조종 유도무기의 공력 특성을 예측하고 그 결과를 보정하는 연구를 수행하였다. 반경험적 해석도구의 공력 특성 예측 결과를 풍동시험 결과와 비교하여 오차 원인을 확인하였으며, 반경험적 해석도구의 주요 오차 요인은 주날개-꼬리날개 간 간섭 성분임을 확인하였다. 반경험적 해석 결과를 풍동시험 결과와 전산해석 결과를 이용하여 보정하였으며, 보정된 데이터가 풍동시험 결과와 잘 일치함을 확인하였다. 본 연구를 통해 일반적인 꼬리날개 조종 유도무기의 공력 특성을 반경험적 해석도구를 이용하여 예측할 때 날개 간 간섭 성분 보정이 필요함을 확인하였다.

Keywords

References

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