Development of the Risø wind turbine airfoils
Development of the Risø wind turbine airfoils
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DOI：
10.1002/we.117
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发表时间：
2004-04
期刊：
影响因子：
4.1
通讯作者：
P. Fuglsang;C. Bak
中科院分区：
文献类型：
--
作者：
P. Fuglsang;C. Bak
本文介绍了Riso的风力涡轮机翼型开发。介绍了风力涡轮机翼型的设计方法和目标特性。使用CFD代码Ellipsys 2D预测最终目标特性的描述与VELUX风洞试验装置一起。开发了三个翼型系列：Riso-A1，Riso-P和Riso-B1。Riso-A1翼型系列是为600 kW及更大的转子开发的。风洞试验和外场试验表明，这种翼型非常适合失速和主动失速控制。然而，对粗糙度的敏感性高于预期。600 kW主动失速风力涡轮机的现场试验表明，在相同的年发电量下，叶片疲劳载荷估计可减少15%，同时叶片重量和叶片坚固性也有所降低。Riso-P翼型的开发是为了取代Riso-A1翼型，用于变桨控制风力涡轮机。改进的设计目标应能降低对粗糙度的敏感性，但目前还没有测量结果。Riso-B1翼型系列是为大型兆瓦级转子的变桨距控制而开发的。风洞试验验证了这些翼型的最大升力高，翼型被发现是非常不敏感的前缘粗糙度。涡流发生器和Gurney襟翼组合的性能被发现对叶片根部是有吸引力的。1·5 MW转子的现场试验正在进行中。版权所有© 2004年约翰威利父子有限公司。
This paper presents the wind turbine airfoil development at Riso. The design method is described together with our target characteristics for wind turbine airfoils. The use of the CFD code Ellipsys2D for prediction of final target characteristics is described together with the VELUX wind tunnel testing setup. Three airfoil families were developed; Riso-A1, Riso-P and Riso-B1. The Riso-A1 airfoil family was developed for rotors of 600 kW and larger. Wind tunnel testing and field testing showed that this airfoil family is well suited for stall and active stall control. However, sensitivity to roughness was higher than expected. Field tests of a 600 kW active stall wind turbine showed an estimated reduction in blade fatigue loading of up to 15% at the same annual energy yield and at the same time reduced blade weight and blade solidity. The Riso-P airfoils were developed to replace the Riso-A1 airfoils for use on pitch controlled wind turbines. Improved design objectives should reduce the sensitivity to roughness, but measurements are not yet available. The Riso-B1 airfoil family was developed for variable speed operation with pitch control of large megawatt sized rotors. Wind tunnel testing verified the high maximum lift for these airfoils, and the airfoils were found to be very insensitive to leading edge roughness. Performance with vortex generators and Gurney flaps in combination was found to be attractive for the blade root part. Field testing of a 1·5 MW rotor is in progress. Copyright © 2004 John Wiley & Sons, Ltd.