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| 涡轮叶片持久寿命预测中气膜冷却孔的影响 | |
| 引用本文： | 蔡志勤,孙兴华,姜立学,周柏卓,王德伦.涡轮叶片持久寿命预测中气膜冷却孔的影响[J].计算力学学报,2009,26(3):437-441. |
| 作者姓名： | 蔡志勤 孙兴华 姜立学 周柏卓 王德伦 |
| 作者单位： | 1. 大连理工大学,工程力学系,工业装备结构分析国家重点实验室,大连,116024 2. 大连理工大学,机械工程学院,大连,116024 3. 沈阳发动机设计研究所,沈阳,110015 |
| 摘 要： | 从涡轮叶片典型部位取材并设计加工试件,进行持久寿命试验.通过观察比较试验结果,发现相同名义应力下气膜冷却孔将使试件的持久寿命大为降低.为了验证这一结论,采用有限元数值模拟的方法对该试件的持久拉伸过程进行模拟,同时考虑材料的正交各向异性以及高温条件下的蠕变规律,求得应力集中最大节点的应力值,进而算出其持久寿命,并与标准试件进行比较. |
| 关 键 词： | 涡轮叶片 持久寿命 气膜冷却孔 数值模拟 |
| 收稿时间： | 8/8/2008 12:00:00 AM |
Influence of the film cooling hole on the endurance life of the turbine blade |
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| CAI Zhi-qin,SUN Xing-hu,JIANG Li-xue,ZHOU Bai-zhuo and WANG De-lun.Influence of the film cooling hole on the endurance life of the turbine blade[J].Chinese Journal of Computational Mechanics,2009,26(3):437-441. | |
| Authors: | CAI Zhi-qin SUN Xing-hu JIANG Li-xue ZHOU Bai-zhuo and WANG De-lun |
| Institution: | State Key Laboratory of Structural Analysis for Industrial Equipment, Department of Engineering Mechanics, Dalian University of Technology, Dalian 116024, China;State Key Laboratory of Structural Analysis for Industrial Equipment, Department of Engineering Mechanics, Dalian University of Technology, Dalian 116024, China;School of Mechanical Engineering, Dalian University of Technology, Dalian 116024, China;Shenyang Aeroengine Research Institute, Shenyang 110015, China;School of Mechanical Engineering, Dalian University of Technology, Dalian 116024, China |
| Abstract: | |
| Keywords: | turbine blade endurance life film cooling hole numerical simulation |
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