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往复轴密封间隙内磁性液体流动状态的研究

Study on Flowing State of Magnetic Fluid in Seal Gap of Reciprocating Shaft

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【作者】 李德才; 兰惠清; 白晓旭; 王之珊;

【Author】 Li Decai Lan Huiqing Bai Xiaoxu(School of Mechanical, Electronic and Control Engineering, Northern Jiaotong University)Wang Zhishan(School of Mechanical Engineering and Automation ,Beijing University of Aeronautics and Astronautics)

【机构】 北方交通大学机械与电子控制工程学院; 北京航空航天大学机械工程及自动化学院;

【摘要】 为了解决往复轴磁性液体密封中存在的问题 ,研究了往复轴以不同速度和行程运动时 ,密封间隙内磁性液体的流动状态 ,重点研究了往复轴密封间隙内磁性液体流动机理、往复轴运动所带走磁性液体的量、往复轴磁性液体密封的失效原因及往复轴磁性液体密封新结构的设计 .实践表明所设计的新结构在某些应用场合是非常有效的

【Abstract】 In order to solve the problems that exit in the magnetic fluid sealing of reciprocating shaft, the magnetic fluid flow in the seal gap was studied when the reciprocating shaft moves with different velocities and strokes. The follwing were focused on the regular pattern of such flow, the loss quantity of magnetic fluid caused by the reciprocating motion shaft, the failure reasons of this magnetic fluid sealing and the design of a new structure for the magnetic fluid sealing of reciprocating shaft. The application indicates that the new structure is very effective in some occasions.

【关键词】 密封; 往复运动机构; 磁性; 液体;
【Key words】 sealing; reciprocating mechanisms; magnetism; fluid;
【基金】 国家自然科学基金资助项目 (5 970 5 0 0 4)
  • 【文献出处】 北京航空航天大学学报 ,Journal of Beijing University of Aeronautics and Astronautics , 编辑部邮箱 ,2003年02期
  • 【分类号】TH136
  • 【被引频次】5
  • 【下载频次】239
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