王德伦
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涡轮叶片持久寿命预测中气膜冷却孔的影响
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Indexed by:期刊论文

Date of Publication:2009-01-01

Journal:计算力学学报

Included Journals:Scopus、EI、PKU、ISTIC、CSCD

Volume:26

Issue:3

Page Number:437-441

ISSN No.:1007-4708

Key Words:涡轮叶片; 持久寿命; 气膜冷却孔; 数值模拟

Abstract: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.

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Title : 数字化设计研究所所长

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Alma Mater:大连理工大学

Degree:Doctoral Degree

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