【摘要】 本文计算了磁流体真空转轴密封中最常用的矩形极齿齿型区内的磁场分布,利用齿型的最大相对导磁率差△λ和几何磁导Go两个判据,分析了各齿型参数的影响规律,得出最佳齿型结构参数的取值范围,并给出△λ和Go的简单计算方法。更多还原

【Abstract】 This paper offers a calculation of magnetic field beneath the pole piece with rectangular tooth which is widely used in magnetic fluid vacuum shaft Seals. Using the maximun difference of relative magnetic conductivity (△λ) and geometric magnetic conduetance (G_o) as criteria, analysis of configuration parameters′ effect is made and the optimum range of configuration parameters′ value of tooth shape are obtained. A simple method of calculating △λ and Go is given.更多还原