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

  • 제46권1호
  • /
  • Pages.52-58
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  • 2018
  • /
  • 1225-1348(pISSN)
  • /
  • 2287-6871(eISSN)
한국항공우주학회 (The Korean Society for Aeronautical and Space Sciences)
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팁젯 방식으로 구동하는 로터의 동특성 연구

A Study on Dynamic Characteristics of Tipjet Rotor

  • 투고 : 2017.11.02
  • 심사 : 2017.12.20
  • 발행 : 2018.01.01
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초록

팁젯 방식으로 구동하는 로터의 정지 비행시 동특성에 관한 연구를 수행하였다. 내부에 유로가 삽입되어 있는 블레이드에 대해서 단면 모델링을 수행하였으며, 로터 시스템의 구성 요소들을 모델링하여 동특성 해석을 수행하였다. 회전 속도와 콜렉티브 피치 조건에 따른 해석을 수행하였으며, 해석 결과 제안된 로터 시스템은 설계된 운용범위 내에서 공탄성적 불안정성이 나타나지 않음을 확인하였다. 해석 절차의 검증을 위해 실제 팁젯 로터 시험장치를 구성하였다. 팁젯 방식으로 제안된 로터가 정상적으로 구동되는 것을 확인하였으며, 비회전 고유 모드 측정 시험 및 회전 시험을 수행하여 결과를 획득하였고, 얻어진 해석 결과와 비교를 통해 타당성을 검증하였다.

A Study on the dynamic characteristics of a rotor driven by a tipjet system in hovering condition was carried out. The sectional modeling was performed for the tipjet blade in which the flow path was inserted, and the dynamic characteristics analysis was conducted by modeling the components of the proposed rotor system. The analysis was conducted with respect to the rotational speed and the collective pitch. As a result of the analysis, it was checked that the proposed tipjet rotor did not have aeroelastic instability within the designed operating range. The tipjet test equipment was constructed in order to verify the analysis approach. It was confirmed that the proposed rotor was driven normally by tipjet. The non-rotating eigenmode measurement test and the rotation test were performed, and the validity was proved by comparing the test results and the analysis results.

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참고문헌

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