1、

New Method of Measuring Piston Ring End Gap Clearance with line Matrix CCD

线阵CCD检测活塞环闭口间隙的新方法

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Electromagnetic wave reflection coefficients are calculated out by separate selection variable of gap dimension, clearance, cell period and medium electricity parameter ε? μ, variation specialties are discussed, and the conclusions of frequency selection property indistinctively, wave reflection weak and frequency range extension etc are got.

通过开口尺寸、间隙、单元周期及介质电参数ε、μ的变化,计算了电磁波的反射,讨论了变化的特性,得出这种结构具有弱的频率选择性、波反射减弱和频带展宽等结论。

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In bearing's finite element analysis, 3D gap element is used to describe clearance change and contact condition of bearing. Through computing and analyzing practical problems, deformation, stress and load distribution are obtained in all parts of the bearing system.

在轴承有限元分析中,引入三维间隙单元,来描述轴承内部的游隙变化和接触状态,通过对实际问题的计算分析,得到了轴承系统各部件的变形、应力和载荷分布。

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