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Effect of plunging amplitude on the performance of a wind turbine blade section

Published online by Cambridge University Press:  03 February 2016

M. R. Soltani  and
F. Rasi Marzabadi
M. R. Soltani
Affiliation:
Sharif University of Technology, Tehran, Iran
F. Rasi Marzabadi
Affiliation:
Sharif University of Technology, Tehran, Iran
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Extract

In many engineering applications (e.g. helicopters, turbines, compressors), lifting surfaces experience unsteady motion or are perturbed by unsteady incoming flows. Horizontal axis wind turbine rotors experience large time dependent variations in angle-of-attack as a result of control input angles, blade flapping, structural response and wake inflow. In addition, the blade sections encounter substantial periodic variations in local velocity and sweep angle. Thus, the unsteady aerodynamic behaviour of the blade sections must be properly understood to enable accurate predictions of the air loads and aero elastic response of the rotor system.

Type
Research Article
Information
The Aeronautical Journal , Volume 111 , Issue 1123 , September 2007 , pp. 571 - 587
Copyright
Copyright © Royal Aeronautical Society 2007 

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