大功率风力机基础底法兰焊缝疲劳分析被引量：1

WELD FATIGUE ANALYSIS OF HIGH POWER LEVEL WIND TURBINE BASE FLANG

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摘要大功率风力发电机基础底法兰需要整体锻造成型,由于工艺条件限制,造成制造成本较高。现改由四块法兰片拼装,然后与基础环焊接而成,为了评估其疲劳强度,对其进行疲劳分析。采用中国船级社提供的参考疲劳S-N曲线,使用ANSYS建模先进行静力分析计算,再通过疲劳计算模块,计算其疲劳损伤,通过计算,在设计寿命期内,底法兰所发生的疲劳破坏为0.408。 Wind turbine base flange is carried out as forged piece, due to process conditions, resut- ting in the high manufacturing cost. Now replaced by four welded piece flanges, and then welded togeth- er with the base ring, in order to assess the fatigue strength, we should do fatigue analysis. Using the reference fatigue S-N curves provided by the China Classification Society, ANSYS static is analyzed first, and then through the fatigue module to calculate the fatigue damage, by calculating, fatigue damage oc- curred in base flange is 0. 408 in the design life.

作者蒋衡滕念管

机构地区上海交通大学土木工程系

出处《低温建筑技术》 2014年第4期97-99,共3页 Low Temperature Architecture Technology

关键词风力发电机底法兰焊接疲劳分析 wind turbine base flange welding fatigue analysis

分类号 TU392 [建筑科学—结构工程]

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参考文献8

1刘作辉.风力发电机组塔架法兰拼焊工艺[J].焊接,2007(9):46-48. 被引量：9
2D Radaj, C M Sonsino, W Fricke. Recent developments in local concepts of fatigue assessment of weld joints [ J ]. International Journal of Fatigue,2009,31:2 - 11.
3D Radaj. Review of fatigue strength assessment of nonwelded and welded structures[J]. International Journal of Fatigue,2003,25: 1359 - 1387.
4刘刚,黄一,陈景杰,刘磊.焊接构件疲劳强度度评估的热点应力法研究进展[C]//第七届船舶力学学术委员会全体会议论文集,2010:8.
5Lundberg G, Palmgren A. Dynamic Capacity of Rolling Bearings [J]. Acta Polytech Mech. Eng. , 1947,(3).
6Miner. M. A. Cumulative damage in fatigue. Trans. ASME [ J ]. Appl. Mech ,1945, (12) : A159 - A164.
7中国船级社.海洋工程结构物疲劳强度评估指南[Z].2013:5.
8范洪军,王建峰,金全洲,金家坤.风力机塔架基础环疲劳强度分析[J].太阳能学报,2012,33(7):1123-1130. 被引量：6

二级参考文献14

1陈传尧.疲劳与断裂[M].武汉：华中科技大学出版社,2001.1-3.
2Burton Tony, Sharpe David, Jenkins Nick, et al. Wind energy handbook [ M ]. New York: John Wiley & Sons, Ltd, 2001, 212--213.
3Sutherland H J. A summary of the fatigue properties of wind turbine materials [ J ]. Wind Energy, 2000, 3 ( 1 ) : 1--34.
4Agbayani N, Kyatham V. Fatigue-driven wind farm tow- ers: A practical introduction to fatigue calculations [ A ]. Proceedings of the 2009 Structures Congress [ C ], Texas (USA), ASCE/SEI, 2009, 2119--2132.
5中国船级社(CCS).风力发电机组规范(2008)[M].北京:人民交通出版社,2008,41-47.
6Kwon K, Frangopol D M. Bridge fatigue reliability assess- ment using probability density functions of equivalent stress range based on field monitoring data [ J ]. Interna- tional Journal of Fatigue, 2010, 32(8): 1221--1232.
7Sorensena J D, Frandsen S, Tarp-Johansen N J. Effective turbulence models and fatigue reliability in wind farms [ J J. Probabilistic Engineering Mechanics, 2008, 23 (4) : 531--538.
8Gudehus H, Zenner H. Leitfaden far eine Betriebsfes- tigkeitsberechnung(4. Auflage) [ M ]. Dtisseldorf: Verlag Stahleisen, 1999.
9Lee Yung-Li, Pan Jwo, Hathaway R B, et al. Fatigue testing and analysis ( Theory and practice ) [ M ]. New York: Butterworth-Heinemann, 2004, 145--147.
10Milne I, Ritchie R O, Karihaloo B L. Comprehensive structural integrity, fracture of materials from nano to mac- ro, volume 4 : Cyclic loading and fatigue[ M]. New York : Elsevier Science, 2003, 67--71.