Similarity criterion of flood discharge atomization

查看全文 作　　者：Zhou [1,2]Hui;Wu [1,2]Shiqiang;Chen [2]Huiling;Zhou [1,2]Jie;Wu [1,2]Xiufeng

机构地区：[1]State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Nanjing Hydraulic Research Institute, Nanjing 210029, P. R. Chin a;[2]Hydraulic Engineering Department, Nanjing Hydraulic Research Institute, Nanjing 210029, P. R. China

出　　处：《Water Science and Engineering》索引2008年第1卷第2期,共7页

基　　金：supported by the National Natural Science Foundation of China (Grant No 50579084);the Foundation of the Nanjing Hydraulic Research Institute (Grant No Y10705) 摘　　要：By combining the results of prototype observation of flood discharge atomization at the Wujiangdu Hydropower Station, and by adopting the serial model test method, the model scale effect was examined, the influences of the Reynolds and Weber numbers of water flow on the rain intensity of flood discharge atomization were analyzed and a rain intensity conversion relation was established. It is demonstrated that the level of atomization follows the geometric similarity relations and it is possible to ignore the influence of the surface tension of the flow when the Weber number is greater than 500. Despite limitations such as incomplete data sets, it is undoubtedly helpful to study the scale effect of atomization flow, and it is beneficial to identify the rules of the model test results in order to extrapolate to prototype prediction. 关键词：泄洪雾化相似准则乌江渡水电站模型试验原型观测规模效应降雨强度试验方法

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Similarity criterion of flood discharge atomization

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