进水口设闸门控流坝下涵管有压水跃及其水力计算  

Pressure hydraulic jump in the culvert pipe under the dam with gate at water inlet and its hydraulic calculation

作　　者：蔡勇峰 蔡勇平 蔡晓鸿 CAI Yongfeng;CAI Yongping;CAI Xiaohong(Jiangxi Water and Hydropower Construction Group Co.,Ltd.)

机构地区：[1]江西省水利水电建设集团有限公司,江西南昌330209 [2]吉安市水利水电规划设计院,江西吉安343000 [3]吉安市水利局,江西吉安343000

出　　处：《大坝与安全》2023年第5期1-3,14,共4页Dam & Safety

摘　　要：探明设闸门控流圆形坝下涵管发生有压水跃的水力学条件,并提出有压水跃在涵管内位置的计算方法,推导相应涵管出口水深计算公式,举例介绍了具体计算步骤。The hydraulic conditions for pressure hydraulic jump in the circular culvert pipe under the dam with gate are explored.The calculation method for the position of pressure hydraulic jump in the culvert pipe is proposed,and the corresponding formula for calculating the outlet water depth of culvert pipe is derived,and the specific calculation steps are provided with an example.

关 键 词：坝下涵管 设闸门控流 水力计算 

分 类 号：TV65[水利工程—水利水电工程]