| 大古水电站坝前排沙运行方式与排沙漏斗形态 |
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| 引用本文： | 王芳芳,吴时强,高昂,薛万云.大古水电站坝前排沙运行方式与排沙漏斗形态[J].水利水电科技进展,2019,39(2):51-55. |
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| 作者姓名： | 王芳芳 吴时强 高昂 薛万云 |
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| 作者单位： | 南京水利科学研究院水文水资源与水利工程科学国家重点实验室;河海大学水利水电学院 |
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| 基金项目： | 国家自然科学基金青年科学基金(51409165)；国家自然科学基金(51379128) |
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| 摘 要： | 为给实际工程排沙设施的设计和布置提供依据,基于1∶60整体模型,根据淤积泥沙扬动流速相似原理,试验研究大古水电站2条排沙廊道和1个底孔在不同运行方式下坝前库区的排沙效果和排沙漏斗形态。结果表明:排沙洞开启顺序对最终排沙效果影响不大;深水条件下,坝前排沙漏斗形态主要受泥沙特性决定,非黏性沙的排沙漏斗坡度接近于淤积泥沙水下休止角;大古水电站排沙设施的设计方案具备保证电站进水口"门前清"的条件。
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| 关 键 词： | 扬动流速 排沙廊道 底孔 排沙漏斗 水下休止角 大古水电站 |
Desilting operation modes and sand funnel patterns in front of Dagu Hydropower Station Dam |
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| WANG Fangfang,WU Shiqiang,GAO Ang and XUE Wanyun.Desilting operation modes and sand funnel patterns in front of Dagu Hydropower Station Dam[J].Advances in Science and Technology of Water Resources,2019,39(2):51-55. |
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| Authors: | WANG Fangfang WU Shiqiang GAO Ang and XUE Wanyun |
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| Affiliation: | State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Nanjing Hydraulic Research Institute, Nanjing 210029, China; College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, China,State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Nanjing Hydraulic Research Institute, Nanjing 210029, China,State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Nanjing Hydraulic Research Institute, Nanjing 210029, China and State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Nanjing Hydraulic Research Institute, Nanjing 210029, China |
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| Abstract: | |
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| Keywords: | incipient velocity desilting gallery bottom tunnel sand funnels underwater repose angle Dagu Hydropower Station |
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