| 某大型直联离心压缩机转子系统的动力学特性研究 |
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| 引用本文： | 戴继双,李朝峰,邓敏敏,马辉,闻邦椿.某大型直联离心压缩机转子系统的动力学特性研究[J].中国工程机械学报,2011,9(3):290-294. |
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| 作者姓名： | 戴继双 李朝峰 邓敏敏 马辉 闻邦椿 |
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| 作者单位： | 1. 东北大学机械工程与自动化学院,辽宁沈阳110819;沈阳鼓风机集团有限公司,辽宁沈阳110869
2. 东北大学机械工程与自动化学院,辽宁沈阳,110819 |
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| 摘 要： | 建立了某直联转子系统的有限元模型,进行了扭转固有频率的计算；考虑轴承的影响,进行了在定刚度和随转速变刚度情况下,系统弯曲固有特性分析,并采用对数衰减率进行了运动稳定性分析；最后根据API617相关标准,施加2种激励工况,进行了不平衡响应计算.对所有计算结果均与试验结果进行了对比.
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| 关 键 词： | 离心压缩机 转子系统 有限元 临界转速 不平衡响应 |
Dynamic property study on directly-driven rotor system for centrifugal compressors |
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| DAI Ji-shuang,LI Chao-feng,DENG Min-min,MA Hui,WEN Bang-chun.Dynamic property study on directly-driven rotor system for centrifugal compressors[J].Chinese Journal of Construction Machinery,2011,9(3):290-294. |
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| Authors: | DAI Ji-shuang LI Chao-feng DENG Min-min MA Hui WEN Bang-chun |
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| Affiliation: | 1.School of Mechanical Engineering ＆ Automation,Northeastern University,Shenyang 110004,China;2.Shenyang Blower Works Group Co.,Ltd.,Shenyang 110142,China) |
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| Abstract: | By establishing a finite element model for a specific directly-driven rotor system,the inherent reverse frequency is calculated.With response to the impact of bearings,the inherent system bending properties are analyzed regarding fixed stiffness and rotary-speed-varied rigidity.In addition,the movement stability is analyzed using the logarithmic decay rate.Subject to API617-related standards,two excitation conditions are imposed for imbalanced response calculation.To this end,a comparison between calculation and testing results has been conducted. |
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| Keywords: | centrifugal compressor rotor system finite element model critical rotary speed imbalanced response |
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