阻抗式调压室水头损失系数研究  

ABOUT THE WATER HEAD LOSS COEFFICIENTS OF THROTTLED SURGE TANKS

作　　者：宋长福[1] 蔡付林[1] 周建旭[1] 

机构地区：[1]河海大学水利水电工程学院,江苏南京210098

出　　处：《江西水利科技》2003年第3期129-132,共4页Jiangxi Hydraulic Science & Technology

摘　　要：根据江苏省宜兴抽水蓄能电站尾水调压室局部模型试验结果,研究具有连接管的阻抗式调压室的水力特性,并用查表计算和经验公式计算进行验证,主要研究了连接管中水流方向、连接管道直径以及流量比对调压室水头损失系数的影响.研究表明,模型试验存在一定的误差,在含调压室系统的水力过渡过程计算中,需结合模型试验结果和数值计算结果,确定阻抗式调压室水头损失系数.Based on the results of the tailrace surge tank's experimental data of Yi Xing pumpedstorage station in Jiansu province,an analysis on the hydraulic characteristics of the throttled surge tanks with the linking pipe is carried out in this paper .According to the results of these tables and experiential expressions,the influence of the diamter of linking pipe ,the flow form and the discharge ratio on the water head ratio is studied.The results shows the experimental data has the definite error.In the transient calculation with surge tank,the water head loss coefficients should be confirmed by the results of experimental data and numerical calculations.

关 键 词：阻抗式调压室 水头损失系数 模型试验 数值计算 抽水蓄能电站 

分 类 号：TV732.5[水利工程—水利水电工程] TV743