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Title: Survey of techniques for reduction of wind turbine blade trailing edge noise.

Abstract

Aerodynamic noise from wind turbine rotors leads to constraints in both rotor design and turbine siting. The primary source of aerodynamic noise on wind turbine rotors is the interaction of turbulent boundary layers on the blades with the blade trailing edges. This report surveys concepts that have been proposed for trailing edge noise reduction, with emphasis on concepts that have been tested at either sub-scale or full-scale. These concepts include trailing edge serrations, low-noise airfoil designs, trailing edge brushes, and porous trailing edges. The demonstrated noise reductions of these concepts are cited, along with their impacts on aerodynamic performance. An assessment is made of future research opportunities in trailing edge noise reduction for wind turbine rotors.

Authors:
Publication Date:
Research Org.:
Sandia National Laboratories
Sponsoring Org.:
USDOE
OSTI Identifier:
1029824
Report Number(s):
SAND2011-5252
TRN: US201201%%233
DOE Contract Number:  
AC04-94AL85000
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
17 WIND ENERGY; AERODYNAMICS; AIRFOILS; BOUNDARY LAYERS; DESIGN; PERFORMANCE; ROTORS; TURBINES; WIND TURBINES

Citation Formats

Barone, Matthew Franklin. Survey of techniques for reduction of wind turbine blade trailing edge noise.. United States: N. p., 2011. Web. doi:10.2172/1029824.
Barone, Matthew Franklin. Survey of techniques for reduction of wind turbine blade trailing edge noise.. United States. doi:10.2172/1029824.
Barone, Matthew Franklin. Mon . "Survey of techniques for reduction of wind turbine blade trailing edge noise.". United States. doi:10.2172/1029824. https://www.osti.gov/servlets/purl/1029824.
@article{osti_1029824,
title = {Survey of techniques for reduction of wind turbine blade trailing edge noise.},
author = {Barone, Matthew Franklin},
abstractNote = {Aerodynamic noise from wind turbine rotors leads to constraints in both rotor design and turbine siting. The primary source of aerodynamic noise on wind turbine rotors is the interaction of turbulent boundary layers on the blades with the blade trailing edges. This report surveys concepts that have been proposed for trailing edge noise reduction, with emphasis on concepts that have been tested at either sub-scale or full-scale. These concepts include trailing edge serrations, low-noise airfoil designs, trailing edge brushes, and porous trailing edges. The demonstrated noise reductions of these concepts are cited, along with their impacts on aerodynamic performance. An assessment is made of future research opportunities in trailing edge noise reduction for wind turbine rotors.},
doi = {10.2172/1029824},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2011},
month = {8}
}

Technical Report:

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