A new direct design method of wind turbine airfoils and wind tunnel experiment

被引：32

作者：

Chen, Jin ^{[1
]}

Wang, Quan ^{[1
,2
]}

Zhang, Shiqiang ^{[1
,3
]}

Eecen, Peter ^{[3
]}

Grasso, Francesco ^{[3
]}

机构：

[1] Chongqing Univ, State Key Lab Mech Transmiss, Chongqing 400030, Peoples R China

[2] Hubei Univ Technol, Sch Mech Engn, Wuhan 430068, Peoples R China

[3] Energy Res Ctr Netherlands, NL-1755 ZG Petten, Netherlands

来源：

APPLIED MATHEMATICAL MODELLING | 2016年 / 40卷 / 03期

基金：

中国国家自然科学基金; 国家高技术研究发展计划(863计划);

关键词：

Wind turbine airfoil; Shape function; Optimisation design; Aerodynamic performance; Wind tunnel experiment;

D O I：

10.1016/j.apm.2015.09.051

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A general parametric representation function (Shape Function) for wind turbine dedicated airfoils based on Taylor high-order polynomial series is presented for the first time. The design space and shape control function of the airfoil have'been studied. The objective of the high-performance WT (Wind Turbine) airfoils was to maximise the lift/drag ratio at the design angle of attack both in free and fixed transitions. The optimised mathematical model of the airfoils is built combing genetic algorithm and the flow solver RFOIL. The new airfoil family (ranging in thickness from 15 to 20%) with target characteristics were designed for variable speed operation with pitch control of large megawatt-sized rotors. Wind tunnel experiments for the WT180 airfoil were carried out for both clean and rough conditions. The experimental results for the lift and drag coefficients agree well with the RFOIL predictions. The testing verified the high lift/drag ratio and the high maximum lift coefficient for the WT180 airfoil. The results indicate that this novel design method is feasible to optimise wind turbine airfoils. (C) 2015 Elsevier Inc. All rights reserved.

引用

页码：2002 / 2014

页数：13

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