U形渠道机翼柱型量水槽水力性能分析  

Hydraulic Performance Analysis of Airfoil Column Measuring Flume in U-Shaped Channel

作　　者：周双 李晓军[2] 朱梦娜 赵瑞娟[5] 刘鸿涛 ZHOU Shuang;LI Xiao-jun;ZHU Meng-na;ZHAO Rui-juan;LIU Hong-tao(China Irrigation and Drainage Development Center,Beijing 100054,China;China Water Northeast Survey and Design Co Ltd,Changchun130012,China;Jilin Province Water Engineering Safety and Disaster Prevention Engineering Laboratory,Changchun 130012,China;School of Hydraulic and Environmental Engineering,Changchun Institute of Technology,Changchun 130012,China;Songliao Water Conservancy Commission,Changchun 130012,China)

机构地区：[1]中国灌溉排水发展中心,北京10005 [2]中水东北勘测设计研究有限责任公司,长春130021 [3]吉林省水工程安全与灾害防治工程实验室,长春130012 [4]长春工程学院水利与环境工程学院,长春130012 [5]松辽水利委员会,长春130012

出　　处：《节水灌溉》2024年第4期65-69,77,共6页Water Saving Irrigation

基　　金：吉林省预算内基本建设资金(2023C030-2)。

摘　　要：为了详细探究机翼柱型量水槽应用于U形渠道的量水性能,设置了4个不同的量水槽收缩比开展水力性能试验。通过对流量、收缩比和上游水位等数据进行分析,拟合出机翼柱型量水槽的流量公式。研究还对测流精度、上游佛汝德数、临界淹没度等参数进行了详细分析。试验结果表明,机翼柱型量水槽水位~流量相关性极高,相关系数R^(2)达0.998,利用试验数据拟合出的流量公式简单易用,平均流量误差约为2.47%,上游佛汝德数小于0.3,临界淹没度最高为0.887。与传统的U形渠道量水槽相比,机翼柱型量水槽的流动公式简单易用,U形渠道机翼柱型量水槽的结构为进一步研究提供了新的思路和参考。In order to thoroughly investigate the water measuring performance of an airfoil column measuring flume applied to the U-shaped channel,four different contraction ratios were established to conduct hydraulic performance experiments.By analyzing the upstream water level,flow rate,contraction ratio,a flow rate formula was fitted.The accuracy of flow measurement,upstream Froude number,and critical submergence were also analyzed.The experimental results show a strong correlation between water level and flow rate in the airfoil column measuring flume,with the a coefficient of correlation of R^(2)=0.998.The flow formula fitted from the test data is concise and easy to use,with an average flow error of 2.47%.The upstream Froude number was less than 0.3,and the critical submergence reached a value of 0.887.Compared with a traditional flow measuring flume on a U-shaped channel,the airfoil column measuring flume exhibited a simple and userfriendly flow formula.Additionally,the structure of the airfoil column measuring flume in U-shaped channel provides novel insights and reference for further research.

关 键 词：机翼柱型量水槽 U形渠道 流量公式 临界淹没度 

分 类 号：TV672[水利工程—水利水电工程]