2MW離岸風機在變風速、陣風條件下的疲勞壽命分析
發(fā)布時間:2018-04-30 21:40
本文選題:離岸風力發(fā)電機 + 陣風 ; 參考:《煙臺大學》2017年碩士論文
【摘要】:化石燃料的日益枯竭,開發(fā)新能源刻不容緩。風能作為一種開發(fā)較早,技術比較成熟的清潔能源,得到了較好的發(fā)展,其中離岸風力發(fā)電作為目前比較熱門的風力發(fā)電技術得到了較多的關注,通過對離岸型風力發(fā)電機的疲勞壽命進行深入研究,對于提高我國自主離岸風電技術,降低對國外企業(yè)技術的依賴,打破西方壟斷起到重要意義。本研究對一種常用型號的離岸風力發(fā)電機(WT_86),通過綜合應用3D CAD/CAE軟件對風機進行了其在正常工作以及異常風況條件下的的結構疲勞壽命分析,對其在不同工作狀態(tài)下的壽命進行了分析和預測,為此型風機的改進提供的重要依據。WT_86型2MW風力發(fā)電機是目前比較常用的一種離岸風機型號。本文通過SolidWorks軟件對風機的輪轂、機艙、塔柱進行了模型的建立,通過ANSYS ACP/APDL對風機葉片進行了精細的復合材料建模,之后再選用Fluent軟件,選用標準K-epsilon湍流模型,對風機進行了流體分析,之后通過Static Structural對風機進行了靜態(tài)分析,驗證了其結構安全,之后通過匯入Fluent得到的分析數(shù)據進入Static Structural進行了流固耦合分析以及通過Fatigue Tools進行了疲勞壽命分析,驗證了其疲勞壽命達到了預計的設計壽命。
[Abstract]:With the increasing depletion of fossil fuels, it is urgent to develop new energy sources. Wind energy, as a kind of clean energy developed earlier and more mature in technology, has got better development, among which offshore wind power generation has been paid more attention as a popular wind power generation technology at present. By studying the fatigue life of offshore wind turbine, it is of great significance to improve the offshore wind power technology in China, reduce the dependence on foreign enterprises and break the western monopoly. In this study, the structural fatigue life of a commonly used offshore wind turbine, WT86T, was analyzed under normal and abnormal wind conditions by using 3D CAD/CAE software. The life of the wind turbine in different working conditions is analyzed and forecasted, and the important basis for the improvement of this type of fan. WTS / 86 2MW wind turbine is a commonly used offshore fan model at present. In this paper, the model of the wheel hub, engine room and tower column of the fan is established by SolidWorks software, and the fine composite modeling of the fan blade is carried out by ANSYS ACP/APDL, then the Fluent software and the standard K-epsilon turbulence model are selected. The flow analysis of the fan is carried out, and the static analysis of the fan is carried out through Static Structural, which verifies its structural safety. After that, the analysis data from Fluent are imported into Static Structural for fluid-solid coupling analysis and Fatigue Tools for fatigue life analysis. It is verified that its fatigue life has reached the expected design life.
【學位授予單位】:煙臺大學
【學位級別】:碩士
【學位授予年份】:2017
【分類號】:TM315
【參考文獻】
相關期刊論文 前3條
1 司敏R,
本文編號:1826380
本文鏈接:http://sikaile.net/kejilunwen/dianlidianqilunwen/1826380.html
最近更新
教材專著