자유후류기법을 이용한 무힌지 로터 시스템의 정지비행시정적 공탄성 해석Static Aeroelastic Analysis of Hingeless Rotor Systemin Hover Using Free-Wake Method

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The static aeroelastic analysis of composite hingeless rotor blades in hover was performed using free-wake method. Large deflection beam theory was applied to analyze blade motions as a one-dimension beam. Anisotropic beam theory was applied to perform a cross-sectional analysis for composite rotor blades. Aerodynamic loads were calculated through a three-dimensional aerodynamic model which is based on the unsteady vortex lattice method. The wake geometry in hover was described using a time-marching free-wake method. Numerical results of the steady-state deflections for the composite hingeless rotor blades were presented and compared with those results based on two-dimensional quasi-steady strip theory and prescribed wake method. It was shown that wakes affect the steady-state deflections.
Publisher
한국항공우주학회
Issue Date
2008-02
Language
Korean
Citation

한국항공우주학회지, v.36, no.2, pp.156 - 162

ISSN
1225-1348
URI
http://hdl.handle.net/10203/88437
Appears in Collection
AE-Journal Papers(저널논문)
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