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Title: Failure investigation on a coastal wind farm damaged by super typhoon: A forensic engineering study
Author: Chen, Xiao1; Li, Chuanfeng1; Xu, Jianzhong1
Source: JOURNAL OF WIND ENGINEERING AND INDUSTRIAL AERODYNAMICS
Issued Date: 2015-12-01
Volume: 147, Pages:132-142
Keyword: Wind turbine ; Tower collapse ; Blade breakage ; Terrain effect ; Stop position ; Local buckling
DOI: 10.1016/j.jweia.2015.10.007
DOC Type: Article
English Abstract: This study presented a failure investigation on a wind farm which is located on the southeast coast of Mainland China and was severely damaged by two super typhoons: i.e., Dujuan in 2003 and Usagi in 2013. Failure characteristics of the wind farm in terms of rotor blade damage, tubular tower collapse and wind turbine (WT) burn were examined from a forensic engineering perspective. A systematic procedure was proposed to quantitatively investigate structural failure by calculating the extreme wind loads and re-constructing structural models for composite blades and steel towers. It was found that both extreme winds and the stop positions of WTs were critical to turbine failure due to the change of wind direction during typhoon impact. The overstrain/overstress was identified as the plausible root cause for structural failure of WTs. In addition, the dramatic reduction of shell wall thickness due to possible design defect was also found to be responsible for the tower collapse in this study. (C) 2015 Elsevier Ltd. All rights reserved.
WOS Headings: Science & Technology ; Technology
WOS Subject: Engineering, Civil ; Mechanics
WOS Subject Extended: Engineering ; Mechanics
WOS Keyword Plus: TROPICAL CYCLONES
Indexed Type: SCI
Funder: National Natural Science Foundation of China(51405468) ; Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry
Language: 英语
WOS ID: WOS:000367124700012
Citation statistics:
Content Type: 期刊论文
URI: http://ir.etp.ac.cn/handle/311046/112319
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, Natl Lab Wind Turbine Blade Res & Dev Ctr, Beijing 100190, Peoples R China
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