周莉莉,张山子,赵连会

• 1:上海电气燃气轮机有限公司

摘要(Abstract)：

某重型燃气轮机压气机第1级叶片为全新自主开发设计，采用了先进三维造型技术设计的高性能叶型，须掌握其振动特性来验证叶片的可靠性。采用有限元方法分析了动频测试工况以及实际运行工况下叶片的振动频率，并通过无线电遥测技术进行叶片的动频测试验证，同时考虑叶片材料与加工公差以及装配公差引起的分散度影响。结果表明，叶片振动频率的理论分析与测试特性一致，结果偏差不大于1.2%。压气机叶片在运行工况下的理论频率避开裕度能够满足数值分析方法与试验测试方法的偏差及材料、加工制造与装配因素引起的频率影响后仍具有较大安全余量。研究结果可为后续进行燃气轮机压气机叶片的开发以及全生命周期的升级改进与振动监测提供指导。

关键词(KeyWords)： 重型燃气轮机;压气机叶片;振动分析;动频测试;分散度

Abstract:

Keywords:

基金项目(Foundation): 上海市国资委企业创新发展和能级提升项目（2024003）~~

作者(Author): 周莉莉,张山子,赵连会

DOI: 10.19666/j.rlfd.202503063

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