文中分别研究了射流交叉角度和密度比对径向速度分布、回流区长度、回流量的影响。
The results show that the angle of cross jets and density ratios have important influences on the velocity distribution on radial, the length of reflux zone and the quantity of reflux.
考察了流量和进水口高度变化时的流场特征、回流区长度和达到均匀流速的长度变化情况。
The features of flow field were investigated under various flow rate Q and incoming flow height Hin. The recirculation length and the length at which the flow reaches to uniform flow were measured.
讨论了垂直于突扩通道主流方向的侧壁射流对壁面压力系数、传热系数及主回流区长度的影响。
The effects of a side wall vertical jet on sudden-expansion channel's wall pressure coefficient, surface heat transfer coefficient and main flow recirculation zone length are discussed in detail.
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