收缩静脉
无量纲量
机械
水闸
边界层
静水压力
明渠流量
流量（数学）
地质学
流动分离
岩土工程
物理
地理
反流（循环）
考古
内科学
医学
作者
N. Rajaratnam,K. Subramanya
出处
期刊：Journal of the Hydraulics Division
[American Society of Civil Engineers]
日期：1967-07-01
卷期号：93 (4): 57-77
被引量：45
标识
DOI：10.1061/jyceaj.0001667
摘要
The velocity and pressure field immediately below a deeply submerged sluice gate located in a rectangular open channel has been experimentally investigated. A vena contracta for submerged flow has been defined and studied. The dimensionless excess pressure from the hydrostatic distribution has been evaluated, as well as the boundary layer on the bed.
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