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Title: Experimental and computational aerodynamic investigations of very thick wind turbine airfoils
Author: Zhang Lei(张磊)1, 2, 3; Li, Xingxing1, 2, 3; Yang, Ke1, 2, 3
Source: JOURNAL OF RENEWABLE AND SUSTAINABLE ENERGY
Issued Date: 2016
Volume: 8, Issue:1
DOI: 10.1063/1.4942541
DOC Type: Article
English Abstract: The aerodynamic performance of two very thick wind turbine airfoils, DU00-W-401 and CAS-W1-450, is examined by experimental and computational methods at a Reynolds number of 1 x 10(6). The measurements were carried out in a wind tunnel with a cross-sectional dimension of 1.5m x 1.5m and a length of 2.5m. The results are compared with predictions from Reynolds-averaged Navier-Stokes (RANS) simulation with a k-x turbulence model and a transition model. To eliminate the unstable effect, three runs of measurements were conducted and then the results were averaged. The lift performance of DU00-W-401 is in good agreement with a previous research result, showing the experimental method is reliable. RANS well predicts the lift performance at the linear region on the lift curve, but tends to underestimate the drag and overestimate the lift in post-stall condition. The pressure drag taking a large proportion to the total drag results in a high drag coefficient for the very thick wind turbine airfoil. A three-dimensional characteristic is observed in the experiments by comparing surface pressure at different spanwise positions. (C) 2016 AIP Publishing LLC.
WOS Headings: Science & Technology ; Technology
WOS Subject: Energy & Fuels
WOS Subject Extended: Energy & Fuels
Indexed Type: SCI
Funder: National Natural Science Foundation of China(51306184 ; 51476171)
Language: 英语
WOS ID: WOS:000376638500023
Citation statistics:
Content Type: 期刊论文
URI: http://ir.etp.ac.cn/handle/311046/112510
Appears in Collections:中国科学院工程热物理所(论文库)_期刊论文(SCI)

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description.institution: 1.Chinese Acad Sci, Inst Engn Thermophys, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Key Lab Wind Energy Utilizat, Beijing 100190, Peoples R China
3.Natl Res & Dev Ctr Wind Turbine Blade, Beijing 100190, Peoples R China
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