| 跌坎型底流消能工混凝土底板冲磨破坏机理分析 |
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| 引用本文： | 张闻辉,王海军,郑雪,钟志镭.跌坎型底流消能工混凝土底板冲磨破坏机理分析[J].昆明理工大学学报(理工版),2010,35(1):74-78. |
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| 作者姓名： | 张闻辉 王海军 郑雪 钟志镭 |
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| 作者单位： | 1. 昆明理工大学,电力工程学院,云南,昆明,650051
2. 中国水电顾问集团,昆明勘测设计研究院,云南,昆明,650051 |
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| 基金项目： | 云南省自然科学基金(项目编号:2006A0018M) |
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| 摘 要： | 通过跌坎型底流消能工水力学试验和理论分析,研究了跌坎型底流消力池内底滚回流区、冲击区、附壁射流区水力特性及混凝土底板破坏机理,分析底板冲磨破坏类型分为大角度和小角度冲磨,并且分析比较了3个区域内临底流速之间的关系,得出临底流速的计算公式.
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| 关 键 词： | 消力池 水力特性 破坏机理 脉动压力 |
Erosion and Destroy Mechanism of Concrete Baseplate in Step-down Energy Dissipater |
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| ZHANG Wen-hui,WANG Hai-jun,ZHENG Xue,ZHONG Zhi-lei.Erosion and Destroy Mechanism of Concrete Baseplate in Step-down Energy Dissipater[J].Journal of Kunming University of Science and Technology(Natural Science Edition),2010,35(1):74-78. |
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| Authors: | ZHANG Wen-hui WANG Hai-jun ZHENG Xue ZHONG Zhi-lei |
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| Affiliation: | 1.Faculty of Electric Power Engineering/a>;Kunming University of Science and Technology/a>;Kunming 650051/a>;China/a>;2.Kunming Engineering Corporation/a>;HydroChina/a>;China |
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| Abstract: | Through mechanical test and theoretical research,the hydraulic characteristics of the flow near the floor of roll reflux,impact and wall jet regions in the step-down energy dissipater are made clear.The erosion and destroy mechanism of the concrete baseplate are studied.The erosion and destroy is classified into large angle and small angle types.The relationship between the velocities of the flow near the floor in three different areas is also analyzed.A formula to calculate the velocity of the flow near th... |
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| Keywords: | stilling basin hydraulic characteristic destroy mechanism fluctuating pressure |
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