Dynamics of a geared parallel-rotor system subjected to changing oil-bearing stiffness due to external loads
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- 作者：Hao Zhang ; Jingyu Zhai ; Qingkai Han ; hanqingkai@dlut.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Wei Sun
- 关键词：Centrifugal compressor ; Geared rotor system ; Changing load ; Modeling ; Vibration
- 刊名：Finite Elements in Analysis & Design
- 出版年：2015
- 出版时间：15 November 2015
- 年：2015
- 卷：106
- 期：Complete
- 页码：32-40
- 全文大小：1696 K
文摘
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A FE model of a geared rotor system in centrifugal compressor is established.
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Gear mesh and oil bearing are considered in the model.
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We examine variational vibration due to the increasing external loads.
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Results reproduced the vibration phenomenon in the start-up process.