旋风除尘器内除主流外还存在着二次流现象，主要有短路流、纵向涡流、偏心环流等。
Besides the mainstream, there are still some secondary flow phenomena, such as short-circuit flow, vertical eddy and eccentric circulation vortex.
单边直线感应电机运行中因次级板产生涡流而存在第二类纵向边缘效应，造成气隙有效磁通和牵引力系数降低。
The LIM has the second longitudinal end effect caused by eddy currents in secondary plate in its operation, which reduces its available magnetic flux of air gap and pull coefficient.
第五章针对直线电机特有的边缘效应，分析了动态纵向边缘效应的影响，它产生端部涡流损耗，减小气隙磁场。
In chapter 5, the dynamic vertical end effect of linear motor is analyzed, which causes eddy current loss and air gap flux decrease.
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