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.
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 an- gle 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 the floor is finally put forward.
出处
《昆明理工大学学报（理工版）》
北大核心
2010年第1期74-78,共5页
Journal of Kunming University of Science and Technology(Natural Science Edition)
基金
云南省自然科学基金(项目编号:2006A0018M)
关键词
消力池
水力特性
破坏机理
脉动压力
stilling basin
hydraulic characteristic
destroy mechanism
fluctuating pressure
