The Comparison of Magnetic Leakage of Different Teeth Structures in Magnetic Fluid Seal

被引：3
|
作者：
Xing, Feifei [1 ]
Li, Decai [1 ]
Yang, Wenming [1 ]
Yang, Xiaolong [1 ]
机构：
[1] Beijing Jiaotong Univ, Beijing 100044, Peoples R China
来源：
NEW AND ADVANCED MATERIALS, PTS 1 AND 2 | 2011年 / 197-198卷
关键词：
magnetic fluid; seal; teeth shape; magnetic leakage;
D O I：
10.4028/www.scientific.net/AMR.197-198.314
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Based on the theoretical model, magnetic field distribution of rectangular teeth, two-sides dilated shape and one-side dilated shape teeth structure with common other conditions were calculated using finite element method when the sealing gap was 0.1mm and 0.12mm. The comparison of their results with the same sealing gap showed that rectangular teeth structure had the highest magnetic leakage. Moreover, the magnetic field distribution of sealing structures with rectangular stages on both the shaft and pole pieces under the same design and sealing gap were also calculated using the same method, whose result was compared with rectangular stages on pole pieces only. The comparison showed that the former did not have higher pressure capability obviously but led to higher magnetic leakage.
引用
收藏
页码：314 / 317
页数：4
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