Study of Several Jets Impinging on a Plane Wall: Visualizations and Laser Velocimetry Investigations
Study of Several Jets Impinging on a Plane Wall: Visualizations and Laser Velocimetry Investigations
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多股射流撞击平面壁的研究：可视化和激光测速研究
DOI：
10.1115/1.2823541
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发表时间：
1999
影响因子：
2
通讯作者：
J. Bousgarbies
中科院分区：
文献类型：
--
作者：
A. Bernard;L. Brizzi;J. Bousgarbies
为了描述十五股射流冲击平面壁面所产生的流态，采用了不同的实验技术。扩散方法揭示了射流对撞击表面的影响，特别是再附着线和分离线。激光片流显示显示了靶板附近的地面涡和二次卷起等复杂的涡结构。速度测量已经实现，以确认这些意见，并指定的流动模式。从而绘制了撞击壁面附近的流动图式。
Different experimental techniques have been used in order to describe the flow pattern generated by fifteen jets impinging on a plane wall. The spreading over method revealed the jet influence on the impinged surface, particularly reattachment and detachment lines. The laser sheet visualizations show complex vortical structures such as the ground vortex and secondary rolling-ups near the target plate have been deduced. Velocity measurements have been realised to confirm these observations and to specify the flow pattern. A schema of the flow near the impinged wall is thus drawn.