水利学报2011，Vol.42Issue(11)：1268-1276,9.
南水北调中线工程冬季输水冰情的数值模拟
Numerical simulation of ice regime in the water conveyance system during winter in Middle Route of South-to-North Water Transter Project
摘要
Abstract
The Middle Route of South-to-North Water Diversion Project is a tree-type water conveyance system consisted of long distance open channel and various hydraulic constructions. For simulate the complicated ice processes due to the ice-water dynamic response characteristics,a numerical modeling system was developed based on the integration of the river ice model and unsteady flow model with complicated inner boundaries. The equivalent transformation methods for inner boundaries and fictitious method to calculate the dynamic processes of ice cover are proposed. According to the meteorological observation data and design conditions in winter-spring period,the whole ice processes including ice cover forming,development,melting and break up as well as the ice-water dynamic response with the check gate operation involved for the Project were simulated. The ice characteristics and conveyance capacity of the project in winter were analyzed and the hydraulic control for safe regulation of the water conveyance system was suggested.关键词
南水北调中线工程/冬季输水/数值模拟/冰过程/调度Key words
Middle Route of South-to-North Water Diversion Project/water conveyance in ice period/numerical simulation/ice processes/operation/ice regime分类
建筑与水利引用本文复制引用
郭新蕾,杨开林,付辉,王涛..南水北调中线工程冬季输水冰情的数值模拟[J].水利学报,2011,42(11):1268-1276,9.基金项目
十一五国家科技支撑计划资助项目 （）
国家自然科学基金项目 （）
中国水利水电科学研究院专项基金 （）
