布仑口水电站消力池尾坎位置模型试验  

Model test on position of end sill of stilling basin of Bulungkol Hydropower Station

作　　者：韩守都[1] 刘韩生[2] 吴宝琴[2] 

机构地区：[1]新疆水利水电勘测设计研究院,新疆乌鲁木齐830000 [2]水利部西北水利科学研究所,陕西杨凌712100

出　　处：《水利水电科技进展》2012年第1期62-64,共3页Advances in Science and Technology of Water Resources

摘　　要：针对布仑口水电站水力学模型试验中导流兼泄洪冲沙洞消力池中出现远驱水跃,而常规解决办法都有不同程度副作用的问题,根据工程的实际情况,采用控制消力池尾坎位置的方法,通过1∶40水力学模型试验,提出将尾坎往上游移动5m,将尾坎始段位置与渐变段始段错开,从而提高跃后水深。试验结果表明,这种措施可以使消力池形成良好流态,从而避免远驱水跃,解决消力池流态问题、消能问题,还可稍减小工程量。With regard to the hydraulic jump happened in the stilling basin of Bulungkol Hydropower Station during hydraulic model tests,which is used as flood diversion,flood and sediment releasing tunnel,the conventional methods have negative effects to some extent.According to the actual situation of the project, a new method to control the position of the end sill of the stilling basin is proposed.Based on the hydraulic model tests with a scale of 1∶40,the end sill is moved upstream for 5 m to separate the starting position of the end sill and the short beginning of transition section.Thus the water depth after the jump increases.The test results show that this kind of measure lead to satisfactory follow regime in the stilling basin so as to avoid hydraulic jump.It may successfully solve the problem of flow regime and energy dissipation as well as reduce the workload.

关 键 词：消力池 水跃 尾坎 模型试验 布仑口水电站 

分 类 号：TV653[水利工程—水利水电工程]