燃机动力学建模中复杂结构处理方法研究
Research on Comples Structure Processing Method inGas Turbine Dynamics Modeling
投稿时间:2018-11-03  修订日期:2019-01-13
DOI:10.13788/j.cnki.cbgc.2018.12.026
中文关键词:  燃气轮机  动力学模型  传递矩阵法  转子动力学  振动特性
英文关键词:gas turbine  dynamics modal  transfer matrix  rotor dynamics  vibration
基金项目:
作者单位E-mail
谭大力 海军研究院 tdl197201@sohu.com 
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中文摘要:
      提出了三种以动力学相似为基础的转子动力学建模关键技术,并以某型燃气轮机建模为例,对该关键技术进行了验证。利用三种方法,对该燃气轮机的动力学特性进行研究,并与整机试验结果进行了对比。结果表明,动力学分析的准确程度主要由模型决定,本文所提出的三种建模关键技术能够反映结构的真实特性,可用于具有类似结构的双转子系统。
英文摘要:
      Based on the dynamic similarity, three key technologies for rotor dynamic modeling are presented, and taking a gas turbine modeling as an example, the key technology is verified The dynamic characteristics of the gas turbine are studied by there methods, and the results are compared with the experiment. The results show that the accuracy of dynamic analysis is mainly determined by the modal. The there key modeling techniques can reflect the characteristics of the structure and can be used in the dual-rotor system with similar structure.
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