[关键词]
[摘要]
影响渠道输水损失率的因素很多, 但主要因素是渠道施工质量、天气条件、输水流量等。利用南水北调中线京 石段应急输水运行的实测数据, 采用水量平衡原理, 对不同时段输水损失率进行分析计算, 得出输水渠道在正常运 行期、汛期、冰期不同输水阶段的损失率规律, 为即将开始的中线南水北调工程全线输水调度运行提供技术支撑。
[Key word]
[Abstract]
Water conveyance lo ss can be affected by many factor s, including w eather co nditions, canal constructio n quality, and water co nv eyance flow . Based on t he measur ed w ater flow data of Beijing2Shijiazhuang emerg ency w ater supply section in the So ut h2to2Nort h Water Diversion Pro ject, w ater balance principle w as ado pted to analyze the wat er convey ance loss rates in the no rmal season, f loo d season, and ice season, w hich can pr ovide technical suppo rt fo r the w ater convey ance operation in the Mid2 dle Ro ut e o f the So ut h2to2Nort h Water Diversion Pr oject.
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[基金项目]
2013 年河南省重点科技攻关计划项目( 132102110046) ; 河南省高校科技创新人才支持计划项目( 13HAS TIT 034)