折线型实用堰过流能力研究

Study on Flow Capacity of Practicable Weir with Breaking-Line Shape

折线型实用堰作为低堰,在中小型水利工程和农业水利工程中应用广泛,但对其泄流能力的研究尚不够充分。通过整理前人研究成果,以及对实测试验资料进行分析,提出了折线型实用堰的界限范围和自由泄流时流量系数的计算公式。

Practicable weir with breaking-line shape is widely used in the small and mid-sized water projects. However the flow capacity of the weir is not enough to study. This paper summarized the research results conducted by the predecessors, analyzed the experimental data, and provided the applied scope of this kind of weir. Authors also gave the mathematic formula for calculation of the flow coefficient under free discharge.