| 闸墙长廊道输水系统侧支孔均匀布置的水力特性 |
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| 引用本文： | 齐春风,冯小香,李君涛,欧阳群安,王 鑫.闸墙长廊道输水系统侧支孔均匀布置的水力特性[J].水运工程,2019(5):102-108. |
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| 作者姓名： | 齐春风 冯小香 李君涛 欧阳群安 王 鑫 |
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| 作者单位： | 交通运输部天津水运工程科学研究院，工程泥沙交通行业重点实验室，天津 300456,交通运输部天津水运工程科学研究院，工程泥沙交通行业重点实验室，天津 300456,交通运输部天津水运工程科学研究院，工程泥沙交通行业重点实验室，天津 300456,交通运输部天津水运工程科学研究院，工程泥沙交通行业重点实验室，天津 300456,交通运输部天津水运工程科学研究院，工程泥沙交通行业重点实验室，天津 300456 |
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| 摘 要： | 闸墙长廊道输水系统侧支孔出流不均匀是造成闸室水体流动和闸室水面波浪运动的主要原因。为研究侧支孔均匀布置的水力特性分布规律,通过CFD数值模拟方法分析输水方式、水头差和阀门开启时间对侧支孔出流的影响。结果表明,闸室输水过程中,各支孔流量先增大后减小、支孔流量分配的相对差异也先扩大后减小;闸室灌水时,各支孔流量分配呈由上游至下游逐渐增大然后再稍有减小的趋势,支孔最大流量大致分布在侧支孔出水段的后1/3区域;闸室泄水时,各支孔流量分配从上游至下游逐渐增大;闸室输水时间与水头差和阀门开启时间成正比,闸室灌水比泄水的输水时间稍短。
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| 关 键 词： | 船闸 输水系统 侧支孔 水力特性 流量分配 输水时间 |
Hydraulic characteristics of long-culvert filling and emptying system with uniformly arranged side branch orifice inside lock wall |
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| QI Chun-feng,FENG Xiao-xiang,LI Jun-tao,OUYANG Qun-an and WANG Xin.Hydraulic characteristics of long-culvert filling and emptying system with uniformly arranged side branch orifice inside lock wall[J].Port & Waterway Engineering,2019(5):102-108. |
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| Authors: | QI Chun-feng FENG Xiao-xiang LI Jun-tao OUYANG Qun-an and WANG Xin |
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| Institution: | Key Laboratory of Engineering Sediment of Ministry of Communications,Tianjin Research Institute of Water Transport Engineering,Tianjin 300456,China,Key Laboratory of Engineering Sediment of Ministry of Communications,Tianjin Research Institute of Water Transport Engineering,Tianjin 300456,China,Key Laboratory of Engineering Sediment of Ministry of Communications,Tianjin Research Institute of Water Transport Engineering,Tianjin 300456,China,Key Laboratory of Engineering Sediment of Ministry of Communications,Tianjin Research Institute of Water Transport Engineering,Tianjin 300456,China and Key Laboratory of Engineering Sediment of Ministry of Communications,Tianjin Research Institute of Water Transport Engineering,Tianjin 300456,China |
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| Abstract: | |
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| Keywords: | ship lock filling and emptying system side branch orifice hydraulic characteristics flow distribution filling and emptying time |
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