| 某重型燃气轮机机匣有限元模态分析 |
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| 引用本文： | 刘星,李克安,唐驾时,温纪云. 某重型燃气轮机机匣有限元模态分析[J]. 湖南理工学院学报：自然科学版, 2010, 23(1): 53-58 |
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| 作者姓名： | 刘星 李克安 唐驾时 温纪云 |
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| 作者单位： | [1]长沙理工大学汽车与机械工程学院,长沙410076 [2]湖南理工学院机械工程学院,湖南岳阳414006 [3]湖南大学力学与航空航天学院,长沙410082 |
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| 基金项目： | 国家高技术研究发展计划(863计划)，国家自然科学基金 |
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| 摘 要： | 对某重型燃气轮机机匣进行了热分析,得到了机匣的温度场,然后在考虑温度影响和不考虑温度影响的情况下,分别对其进行了模态分析,并得出结论:温度因素对机匣的振动特性有一定影响,考虑温度因素时,机匣的弯曲振动固有频率值有所降低,但机匣的扭转振动及其固有频率值变化甚微.
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| 关 键 词： | 重型燃气轮机 热分析 温度场 模态分析 |
Finite Element Modal Analysis of Heavy-duty Gas Turbine Casing |
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| LIU Xing,LI Ke-an,,TANG Jia-shi,WEN Ji-yun. Finite Element Modal Analysis of Heavy-duty Gas Turbine Casing[J]. Journal of Hunan Institute of Science and Technology, 2010, 23(1): 53-58 |
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| Authors: | LIU Xing LI Ke-an TANG Jia-shi WEN Ji-yun |
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| Affiliation: | LIU Xing1,LI Ke-an1,2,TANG Jia-shi3,WEN Ji-yun3(1.College of Automobile , Mechanical Engineering,Changsha University of Science , Technology,Changsha 410076,2.College of Mechanical Engineering,Hunan Institute of Science , Technology,Yueyang 414006,China,3.College of Mechanics & Aerospace,Hunan University,Changsha 410082,China) |
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| Abstract: | Thermal analysis of heavy-duty gas turbine casing is adopted at first,and temperature field of gas turbine casing is obtained;then considering the temperature effect and without considering temperature effect on the turbine casing,modal analysis of gas turbine casing is respectively taken.The conclusions obtained: temperature factor has some influence for vibration characteristic of casing,natural frequency value of the casing bending vibration mode decreased considering the impact of temperature,but the to... |
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| Keywords: | heavy-duty gas turbine thermal analysis temperature field modal analysis |
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