流迹
- 网络Flow trace;bleed-out;strearn-line
流迹-
采用可视化实验技术，获得了流过楔形收敛流道的高密度聚乙烯（HDPE）熔体内着色条料的流迹图像。
Trajectory images have been obtained of a colored strand in the high density polyethylene ( HDPE ) melt flowing through a converging wedge channel by a visualization technique .
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在PIV流迹显示试验中观察到在模型上下两侧发生流动分离，后方有两个大旋涡，且在两个旋涡中间回流处测点的风压系数大于附近测点。
In the PIV flow visualization experiment , flow separation takes place at the top and bottom edges and two large vortices behind the model that remain attached to the back of the model are observed .