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

Numerical Simulation and Experiment Investigation of the Wind Turbine Airfoil with High Power

Author LaiWei
Tutor ShenZhenHua
School Shenyang Institute of Aeronautical College
Course Aerospace Propulsion Theory and Engineering
Keywords Airfoil Wind turbine Aerodynamic characteristics Jet
Type Master's thesis
Year 2008
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This paper systematically introduces the basic problem of the geometric parameters of the basic theory of the wind turbine airfoil wind wheel , aerodynamic characteristics , and also introduced the numerical simulation of wind turbine blades basis and methods of mathematical physics . Through the analysis of wind turbine works , the first big bend and blunt trailing edge of the airfoil modification . Second tip and trailing edge jet A new technology to improve the efficiency of the wind turbine , its guiding philosophy is to rotate the centrifugal force generated by the use of wind wheel , the the wind wheel hub near the gas channel leads through the hollow blades , respectively. ejected from the tip and the trailing edge in the opposite direction to the direction of rotation . The first discusses the impact of a the airfoil big bend and blunt trailing edge modification of the airfoil aerodynamic characteristics . First create a variety of retrofit model , then using CFD software for numerical analysis, airfoil in different wind speeds , different angle of attack case , the lift coefficient , drag coefficient . The results show that , before the stall angle of attack , the modification significantly improved the aerodynamic performance of the airfoil , modified jet greater the angle , the more obvious effects . Second Wind tunnel tests of of an airfoil passive jet modification . Its the suction front of the end of the edge and pressure surface edge tip , roots openings , respectively , and in the wind tunnel , the study of comparative experiments . The test results show that : the jet of the trailing edge and the leading edge of the root of jet significantly improve the performance of a wind turbine .

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