柏叶口水库泄洪发电洞掺气水流对挑距的影响分析  

Analysis of the Influence of Aerated Water Flow on Jet Trajectory Length in Flood-discharge Power Tunnel of Baiyekou Reservoir

作　　者：丁慧峰 DING Huifeng(Shanxi Baiyekou Reservoir Construction Administration Bureau,Taiyuan 030002,China)

机构地区：[1]山西省柏叶口水库建设管理局,山西太原030002

出　　处：《中国水能及电气化》2019年第8期1-8,共8页China Water Power & Electrification

摘　　要：探究柏叶口水库泄洪发电洞水流挑距产生较大偏差的原因,可针对性地对泄洪发电洞进行出口挑流消能。文章对其泄洪发电洞下泄水流的流态、受力情况、紊动掺气特性等进行了分析,得出结论:挑距产生偏差的原因主要是水流的掺气减阻效应和离心惯性力的影响。The causes of the large deviation in jettrajectory length of the flood-discharge power tunnel in Baiyekou Reservoir.The outlet flow diversion and energy dissipation are implemented in the flood-discharge power tunnel specially.The flow regime,stress condition,turbulence aeration characteristics of the discharge water in the flood-discharge power tunnel are analyzed in the paper.The following conclusion is obtained:the main reason of the deviation of jettrajectory length is the influence of water flow aerated dragreduction effect and centrifugal inertia force.

关 键 词：柏叶口水库 泄洪发电洞 出口挑流消能 

分 类 号：TV653[水利工程—水利水电工程]