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Aerodynamic Characteristics’s Compution and the Blade’s Aeroelastic Stability’s Analysis of the Horizontal-Axis Wind Turbine

Author: LiZuo
Tutor: WangHuaMing
School: Nanjing University of Aeronautics and Astronautics
Course: Aircraft design
Keywords: Wind Power Structural Dynamics Aeroelastic stability Aerodynamic performance Blade
CLC: TK83
Type: Master's thesis
Year: 2009
Downloads: 111
Quote: 0
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Abstract


In the energy crisis and environmental protection of the double pressure, wind power as a kind of clean and renewable energy is more and more valued, wind power technology has become a new energy in the world one of important development direction. Based on the 973 project "massive not parallel in wind power system basic research" as the research background, the horizontal axis wind turbine rotor of research, the main work and research content are as follows: 1. According to evvh momentum theory established the rotor aerodynamic performance calculation model and the deduction of calculation formula of calculation program, written on a rotor test model in different inflow and speed of the power and thrust has been calculated and analyzed, and the test results of calculation model was verified; 2. To establish the finite element model of wind turbine blade, using ANSYS software to blade of static strength and natural characteristics of calculation and analysis, with the laser vibrometer measurement model blade in not rotating condition with inherent frequency and vibration model, and the calculated results and test results analyzed; 3. The elastic hinge method established the blade waving and torsional coupled gas bomb stability analysis model for the static blade divergence and flutter performance calculation and analysis.

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CLC: > Industrial Technology > Energy and Power Engineering > Wind energy, wind machine > Wind machinery and equipment
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