长江河道水流流速分布研究

Review of Vellocity Distribution and Study on Velovity Distribution of Yangtze River Flow

本文简述了流速沿垂线分布的主要研究成果,在分析影响河道水流流速分布的主要因素后,从简化的雷诺方程出发。导得了适合于长江上游宽谷河段及中下游河段的二度恒定均匀明渠紊流流速分布公式。

In this paper, main studied results of velocity distribution in vertical direction are introduced. After the analysis of main influence factors of velocity distribution of river flow, the velocity distribution formula of two-dimensional steady and uniform turbulent flow is deduced from the brief Reynolds equation. This formula can be applied to both the wide reach of upstream and the reach of middle and downstream of Yangtze River.