导叶开口对混流水轮机尾水管压力脉动的影响  

The Effect of Gatage on the Pressure Fluctuation in Draft Tube of Francis Turbine

作　　者：吴钢[1] 韦彩新[1] 谭月灿 张克危 

机构地区：[1]华中理工大学动力工程系

出　　处：《华中理工大学学报》1999年第9期27-29,共3页Journal of Huazhong University of Science and Technology

基　　金：国家"九五"攀登计划预选资助

摘　　要：将水压力脉动测试、流场测试以及初生空化观测等实测结果进行对比分析，研究水轮机活动导叶开口的变化对尾水管水压力脉动的影响。The results of the pressure fluctuation and flow field measuring and initial cavity observation are compared and analyzed. The effects of gatage on the pressure fluctuation in the draft tube of Francis turbine are studied. The basis is provided for setting mathematical model of the pressure fluctuation in the draft tube of Francis turbine.

关 键 词：导叶开口 尾水管 水压力脉动 水轮机 水力振动 

分 类 号：TK73[交通运输工程—轮机工程]