浮体安装ADCP垂线法在线流量监测适用性分析

Applicability analysis of online fl ow monitoring using ADCP dual-vertical method with buoy installation

摘要:

为探求在线流量测验精准度高且方便安装和维护的可靠方法，探索使用浮体安装 ADCP 垂线法在线流量监测新技术，根据河道水力特征及中泓两侧的 2 条垂线流速计算流量。在对中下游河道进行在线流量监测时，使用基于能坡原理构建流量计算模型的双垂线法，采用 ADCP 航标灯浮体安装增强双垂线法在线流量监测的适应性。 在不同类型水文站的比测分析结果表明方法可行，且在感潮、航运、闸坝、地涵、大型泵站及河道弯曲等复杂条件的测站运用效果良好，可为中下游河道在线流量测验方法提供参考。

Abstract:

To identify a reliable method for online fl ow measurement with high accuracy and ease of installation and maintenance，this study explores the applicability of the new technology of using the ADCP dual-vertical method with buoy installation for online flow monitoring. Flow is calculated based on the hydraulic characteristics of the river channel and the velocity measurements at two verticals on both sides of the thalweg. For online fl ow monitoring in midstream and downstream river channels，a fl ow calculation model based on the energy slope principle is adopted using the dual-vertical method，with an ADCP mounted on a buoy to enhance adaptability. Comparative analyses across various types of hydrological stations indicate the feasibility of this method. The approach performs well under complex conditions，including tidal infl uence，navigation，sluices，culverts，large pumping stations，and curved river channels. This study provides a valuable reference for online flow measurement methods in midstream and downstream river channels.