Low-Noise Airfoil and Wind Turbine Design

Wei Jun Zhu, Wen Zhong Shen and Jens Norkar Sorensen

A chapter in Wind Turbines - Design, Control and Applications from IntechOpen

Abstract: This chapter describes design and optimization of low-noise airfoil and wind turbines. The airfoils and wind turbine blades are designed with the objective of high-power performance. The aerodynamic noise is one of the important constraints for the optimization. The power coefficient of an airfoil is computed with the blade element momentum theory. The solution of the power coefficient is assumed to be maximized when the axial induction factor is 1/3. The airfoil noise is simulated with a semi-empirical model that requires airfoil boundary layer parameter as input. The airfoil and blade design process can be integrated such that the blade is designed with the desired airfoils. The results of three airfoil families and two rotor blades are presented, which are designed with the requirements of high-power performance and low-noise generation.

Keywords: cost of energy; design and optimization; low-noise wind turbine; wind turbine aeroacoustics; wind turbine aerodynamics (search for similar items in EconPapers)
JEL-codes: Q20 Q40 (search for similar items in EconPapers)
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Persistent link: https://EconPapers.repec.org/RePEc:ito:pchaps:103527

DOI: 10.5772/63335

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