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首页> 外文期刊>JSME International Journal. Series B, Fluids and Thermal Engineering >Plane Offset Jet Discharged into Water of Finite Depth
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Plane Offset Jet Discharged into Water of Finite Depth

机译：平面偏移射流排入有限深度的水中

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摘要

A plane submerged turbulent water jet discharged parallel to the offset bottom wall in a channel with a finite water depth was investigated experimentally. Depending on the depth of the nozzle and its height from the bottom, the jet deflects towards either of two boundaries, the free surface or the solid wall. Detailed data on the velocity field measured by the Particle Image Velocimetry (PIV) method are obtained to examine the effect of the opposite boundary on the deflecting jet and the difference in the jet development between the deflection to the free boundary and that to the solid boundary. The mean velocity profiles and the spread rates of the jet are compared with those of a conventional plane free jet by applying a curved coordinate system along the jet centerline.
机译：实验研究了在有限水深的通道中平行于偏置底壁排放的平面浸没式湍流水射流。根据喷嘴的深度及其从底部开始的高度，射流会朝着两个边界（自由表面或实心壁）偏斜。获得有关通过粒子图像测速（PIV）方法测量的速度场的详细数据，以检查偏向射流的相对边界的影响以及偏向自由边界和偏向固体边界的射流发展之间的差异。 。通过沿射流中心线应用曲线坐标系，将射流的平均速度曲线和扩散速率与常规平面自由射流的速度分布和扩散速率进行了比较。

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