Design and Wind-Tunnel Verification of Large-Size Wind Turbine Airfoils

HAN Zhong-hua; SONG Wen-ping; GAO Yong-wei

doi:10.3879/j.issn.1000-0887.2013.10.002

Volume 34 Issue 10

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HAN Zhong-hua, SONG Wen-ping, GAO Yong-wei. Design and Wind-Tunnel Verification of Large-Size Wind Turbine Airfoils[J]. Applied Mathematics and Mechanics, 2013, 34(10): 1012-1027. doi: 10.3879/j.issn.1000-0887.2013.10.002

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Design and Wind-Tunnel Verification of Large-Size Wind Turbine Airfoils

doi: 10.3879/j.issn.1000-0887.2013.10.002

National Key Laboratory of Science and Technology on Aerodynamic Design and Research, School of Aeronautics, Northwestern Polytechnical University, Xi’an, 710072, P.R.China

Funds: The National High-tech R&D Program of China (863 Program)(2007AA05Z448； 2012AA051301)

Received Date: 2013-05-01
Rev Recd Date: 2013-09-11
Publish Date: 2013-10-15

Abstract

Abstract

For a family of specially tailored airfoils, the shapes of sections along the span of the blades are the most important elements for design of wind turbine blades. The airfoils with excellent performance can dramatically improve the capability of capturing wind power, reducing structural weight to save cost of manufacturing and transportation, and lowering inertial loads as well as loads due to gust. First, the development of the main wind turbine airfoil families around the world since 1990’s was reviewed, such as S series, DU series, RIS series, and FFA series. Second, the progress of NPU-WA series for megawatt-size wind turbine was summarized, including the design process and wind-tunnel experiments. Model tests were carried out in NF-3 wind-tunnel’s two dimensional test section, which was the largest low-speed two dimensional test section in Asia with the Reynolds number up to 5 millions. The further improvement of NPU-WA airfoils for lower roughness sensitivity was also reviewed. Last, the outlook on developing new NPU-WA series for multi-megawatt wind turbines in the near future was presented.
- wind-turbine airfoil,
- NPU-WA airfoil family,
- airfoil design,
- wind-tunnel experiment

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References(30)

References

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