Wind Turbine Blade Tip Flow and Noise Prediction by Large-eddy Simulation

[+] Author and Article Information
Oliver Fleig, Makoto Iida

The University of Tokyo, Graduate School of Engineering, Department of Mechanical Engineering, 7-3-1 Hongo, Bunkyo-Ku, Tokyo 113-8656, Japan

Chuichi Arakawa

The University of Tokyo, Graduate School of Interfaculty Initiative in Information Studies, 7-3-1 Hongo, Bunkyo-Ku, Tokyo 113-8656, Japan

J. Sol. Energy Eng 126(4), 1017-1024 (Nov 18, 2004) (8 pages) doi:10.1115/1.1800551 History: Received March 31, 2004; Revised July 05, 2004; Online November 18, 2004
Copyright © 2004 by ASME
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Grahic Jump Location
Definition of cross sections
Grahic Jump Location
Vorticity ωx isosurfaces
Grahic Jump Location
Sound pressure level at points A,B
Grahic Jump Location
Instantaneous acoustic pressure perturbation field on S2.
Grahic Jump Location
Sound pressure level—simulation results
Grahic Jump Location
Surface pressure spectra on suction side near the trailing edge
Grahic Jump Location
Convection of an acoustic pressure pulse (T=40)
Grahic Jump Location
Grid of airfoil section
Grahic Jump Location
Limiting streamlines for actual tip shape




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