| 向家坝水电站切机非恒定流对干流航运影响研究 |
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| 引用本文： | 顾莉,王立杰,周小飞,魏杰.向家坝水电站切机非恒定流对干流航运影响研究[J].水力发电,2021(1):107-110. |
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| 作者姓名： | 顾莉 王立杰 周小飞 魏杰 |
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| 作者单位： | 中国电建集团中南勘测设计研究院有限公司 |
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| 基金项目： | 国家重点研发计划资助项目“大水位变幅下通航运行安全优化调控技术”专题(2016YFC0401906)。 |
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| 摘 要： | 针对水电站发生切机产生的非恒定流对下游航运造成影响,基于一维水动力学数学模型,分析了向家坝水电站8台机运行发生不同切机台数下的达标补水时间以及对下游航道的影响距离,同时分析了典型工况达标时间补水条件下的非恒定流传播特性。研究可为电站发生切机条件下下游的航运安全调度运行提供技术支撑。
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| 关 键 词： | 切机 非恒定流 数学模型 航运安全 向家坝水电站 |
Influences of the Unsteady Flow Caused by Unit Cut-off of Xiangjiaba Hydropower Station on Downstream Navigation |
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| GU Li,WANG Lijie,ZHOU Xiaofei,WEI Jie.Influences of the Unsteady Flow Caused by Unit Cut-off of Xiangjiaba Hydropower Station on Downstream Navigation[J].Water Power,2021(1):107-110. |
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| Authors: | GU Li WANG Lijie ZHOU Xiaofei WEI Jie |
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| Institution: | (PowerChina Zhongnan Engineering Corporation Limited,Changsha 410014,Hunan,China) |
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| Abstract: | Aiming at the influences of the unsteady flow caused by the unit cut-off of hydropower station on downstream navigation,based on the one-dimensional hydrodynamic mathematical model,the water make-up times which meets operation standard and the influence distances on downstream channel are analyzed respectively when the eight turbine-generator units that are putting into operation in Xiangjiaba Hydropower Station occur the cutoff of different numbers of units.The propagation characteristics of unsteady flow under the typical water make up operating condition is also researched.The research can provide technical support for the safe operation of downstream navigation under the condition of unit cut-off of power station. |
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| Keywords: | unit cut-off unsteady flow mathematical model navigation safety Xiangjiaba Hydropower Station |
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