超长引水隧洞水电站调压室水力设计的探讨  

Hydraulic design of surge tank in hydropower station with long-distance diversion tunnel

作　　者：陈捷平 杨建东[1] 郭文成[1] 滕毅[1] 

机构地区：[1]武汉大学水资源与水电工程科学国家重点实验室,湖北武汉430072

出　　处：《武汉大学学报（工学版）》2016年第2期212-217,共6页Engineering Journal of Wuhan University

基　　金：国家自然科学基金资助项目(编号:51379158)

摘　　要：基于超长引水隧洞水电站调压室最高涌浪限制值取决于蜗壳压力控制值这一前提,根据阻抗式、阻抗上室式和简单上室式调压室在机组甩负荷时水位波动的显示计算公式,分别推导了这3种型式调压室水力设计相关参数之间的关联表达式,同时引入临界值的概念,明确了上述3种型式调压室的适用条件.且将关联表达式应用于工程实例,进行了调压室型式的选择与水力设计参数的优化选取,探讨了超长引水隧洞水电站调压室水力设计的方法,得到了不同调压室在满足最高涌浪限制值要求时各自体型参数的选取依据.Based on the premise that the highest surge limit value of surge tank in hydropower station with long-distance diversion tunnel is determined by the value of spiral case pressure,the explicit formula for calculating surges in throttled surge tank,throttled upper chamber surge tank and simple surge tank following load rejection,were combined to deduce their relevance expressions of shape parameters when restricting the highest surge,then the application condition of those three surge tanks were given.By using those expressions,the type of the surge tank in an engineering project is selected and optimized,and the hydraulic design procedures of surge tank in this kind of hydropower station are presented.

关 键 词：超长引水隧洞 调压室 最高涌浪 水力设计 

分 类 号：TV732[水利工程—水利水电工程]