Optimization design of airfoil profiles based on the noise of wind turbines

Jiangtao Cheng, Jin Chen, Jiangtao Cheng, Wenzhong Shen, Weijun Zhu, Xudong Wang

Research output: Contribution to journalJournal articleResearch

Abstract

Based on design theory of airfoil profiles and airfoil self-noise prediction model, a new method with the target of the airfoil average efficiency-noise ratio of design ranges for angle of attack had been developed for designing wind turbine airfoils. The airfoil design method was optimized for a relative thickness of 21% and a new airfoil was obtained. To illustrate the optimization method, the aerodynamic characteristics and noise of the optimized airfoil were calculated and analyzed. Through performance comparison of a DU93-W-210 airfoil and a FFA-W3-211 airfoil which are widely used in wind turbine constructing blades, and wind tunnel test, the practicability and commonality of the optimization method were verified.
Original languageEnglish
JournalTaiyang Neng Xuebao
Volume33
Issue number4
Pages (from-to)558-563
ISSN0254-0096
Publication statusPublished - 2012

Keywords

  • Aerodynamics
  • Design
  • Mathematical models
  • Optimization
  • Wind turbines
  • Airfoils

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