南水北调中线工程突发水污染多闸联控处置模拟

靖争; 郭晓明; 刘仁德; 刘晓晨; 孟柯宇; 翟文亮

doi:10.11988/ckyyb.20250052

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长江科学院院报 ›› 2026, Vol. 43 ›› Issue (1) : 42-49. DOI: 10.11988/ckyyb.20250052

水环境与水生态

南水北调中线工程突发水污染多闸联控处置模拟

靖争 ¹ ,
郭晓明 ² ,
刘仁德 ³ ,
刘晓晨 ⁴ ,
孟柯宇 ¹ ,
翟文亮 ¹

作者信息 +

Simulation of Multi-gate Coordinated Control for Sudden Water Pollution Incidents in the Middle Route of the South-to-North Water Diversion Project

Author information +

文章历史 +

摘要

鉴于南水北调中线工程总干渠受跨渠桥梁运输及汛期外洪入渠等影响,存在突发水污染风险,构建包括节制闸、分水口、倒虹吸、退水闸的渠道一维水动力模型,求解圣维南方程组模拟渠道水流运动特性;引入控制体,推导出一维对流-扩散方程的离散格式进行求解,模拟渠道污染输移过程。模型计算程序基于FORTRAN90语言开发,实现突发水污染扩散及多闸联控处置在线预演。模拟结果表明:关闭分水口、增加退水闸排水量可显著提高污染物排放效率,节制闸关闭速度决定污染控制效果。研究成果为南水北调中线工程突发水污染事件的防控提供了技术支持。

Abstract

[Objective] The middle route of the South-to-North Water Diversion Project faces risks of sudden water pollution due to hazardous material transport over cross-canal bridges and inflow of external floodwaters during the flood season. To support the treatment of water pollution emergencies, a unified hydrodynamic and water quality model for the canal system, including structures such as control gates, offtakes, inverted siphons, and escape gates, was developed. [Methods] The St. Venant equations were solved to simulate hydrodynamic characteristics of the water flow. Based on a cross-sectional control volume, a one-dimensional water quality model was established, with the continuity equation representing the pollutant mass conservation equation. The model was developed using FORTRAN90, enabling online pre-simulation of sudden water pollution diffusion and multi-gate joint control operations. [Results and Conclusion] Simulation results show that closing the diversion and increasing the discharge of the water discharge gate can significantly improve the pollutant emission efficiency, while the closing speed of control gates determines the pollution control effectiveness. This study provides technical support for the prevention and control of sudden water pollution incidents in the middle route of the South-to-North Water Diversion Project.

导出引用

靖争, 郭晓明, 刘仁德, 等. 南水北调中线工程突发水污染多闸联控处置模拟[J]. 长江科学院院报. 2026, 43(1): 42-49 https://doi.org/10.11988/ckyyb.20250052

JING Zheng, GUO Xiao-ming, LIU Ren-de, et al. Simulation of Multi-gate Coordinated Control for Sudden Water Pollution Incidents in the Middle Route of the South-to-North Water Diversion Project[J]. Journal of Changjiang River Scientific Research Institute. 2026, 43(1): 42-49 https://doi.org/10.11988/ckyyb.20250052

中图分类号： TV214 (水利计算)

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