An Experimental Study on the Vibration Characteristics of the Rotor Blade with Fiber
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05-07-2010, 11:01 PM
An Experimental Study on the Vibration Characteristics of the Rotor Blade with Fiber Reinforced Plastics .
With the current background of increasing oil price, a number of researches on development and supply ofrenewable energy are on process. Wind energy is one of them. Not only as energy itself, but also as travel resources, windenergy is ideal substitute for Korea equipped with appropriate conditions.
The purpose of this paper is that investigates the dynamic behavior characteristic of W.T.S (Wind Turbine System) andcarries 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 bladethat is one of the most important elements of dynamic characteristic of W.T.S are performed. Natural frequency and modeshape are calculated with commercial program (ANSYS) using the measured vibration acceleration that receives the signalwith F.F.T Analyzer from the accelerometer. For validation of these experiments, the finite element analysis is performedwith commercial F.E.M program (ANSYS) on thebasis of the natural frequency and mode shape. The results indicate thatexperimental values have good agreements with the finite element analysis.
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