浮环式挤压油膜阻尼器的减振机理

周海仑; 冯国全; 罗贵火; 艾延廷

doi:10.13224/j.cnki.jasp.2015.04.024

浮环式挤压油膜阻尼器的减振机理

doi: 10.13224/j.cnki.jasp.2015.04.024

1. 沈阳航空航天大学航空航天工程学部辽宁省航空推进系统先进测试技术重点实验室, 沈阳 110136;
2. 中国航空工业集团公司沈阳发动机设计研究所, 沈阳 110015;
3. 南京航空航天大学能源与动力学院, 南京 210016

基金项目:

航空科学基金(2014ZB54008)

详细信息

作者简介:
周海仑(1983-),男,山东泰安人,讲师,博士,主要从事挤压油膜阻尼器、转子动力学和航空发动机整机振动的研究.

中图分类号: V231.96
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- 被引次数: 0
出版历程
- 收稿日期: 2013-11-22
- 刊出日期: 2015-04-28

Damping mechanism of floating ring squeeze film damper

1. Liaoning Key Laboratory of Advanced Test Technology for Aerospace Propulsion System, Faculty of Aerospace Engineering, Shenyang Aerospace University, Shenyang 110136, China;
2. Shenyang Engine Design and Research Institute, Aviation Industry Corporation of China, Shenyang 110015, China;
3. College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

摘要

摘要: 为了进行浮环式挤压油膜阻尼器减振机理的研究,借助于挤压油膜阻尼器的雷诺方程,根据浮动环与轴颈之间的相对运动,进行了浮环式挤压油膜阻尼器的建模.通过仿真计算,得到浮环式挤压油膜阻尼器转子系统和双向激励试验系统的位移响应,进行了浮环式挤压油膜阻尼器的减振机理研究.结果表明:浮环质量越大、油膜间隙越小、油膜宽度越大或者滑油黏度越大,则浮环式挤压油膜阻尼器具有越好的减振性能,反之,则越差.
- 挤压油膜阻尼器 /
- 转子 /
- 减振 /
- 浮环 /
- 航空发动机
Abstract: In order to research on damping mechanism of floating ring squeeze film damper, the model of floating ring squeeze film damper was established based on the Reynolds equation of squeeze film damper and relative movement of floating ring and journal. Then damping mechanism of floating ring squeeze film damper was researched by means of displacement response of rotor system and bidirectional incentives test system of floating ring squeeze film damper. It is shown that the greater mass of floating ring, the thinner oil clearance, the wider oil film width or the greater viscosity of lubrication oil, the better damping performance of floating ring squeeze film damper, vice versa.
- squeeze film damper /
- rotor /
- damping /
- floating ring /
- aero-engine

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参考文献(19)

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