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복합재료 FRP로 제작된 Rotor Blade 진동특성 분석에 관한 실험적 연구
백진성(Paik, J.S.),이강수(Lee, K.S.),박종빈(Park, J.V.),이정탁(Lee, J.T.),손충렬(Son, C.Y.) 한국소음진동공학회 2005 한국소음진동공학회 논문집 Vol.15 No.11
The purpose of this paper is that investigates the dynamic behavior characteristic of W.T.S (wind turbine system) and carries out the evaluation analysis during operating W.T.S. To investigate the dynamic behavior characteristic of W.T.S, the experiments to measure vibration of the blade from the attached accelerometer on the flap and edge section of the blade that is one of the most important elements of dynamic characteristic of W.T.S are performed. Natural frequency and mode shape are calculated with commercial program ( ANSYS) using the measured vibration acceleration that receives the signal with F.F.T Analyzer from the accelerometer For validation of these experiments, the finite element analysis is performed with commercial F.E.M program (ANSYS) on the basis of the natural frequency and mode shape. The results indicate that experimental values have good agreements with the finite element analysis.