混流式水轮机叶道涡的减轻与消除方法  

Reduction and Elimination of Channel Vortex in Francis Turbine

作　　者：卢磊[1] 张礼达[1] 杨静 徐志坚 

机构地区：[1]西华大学能源与环境学院,四川成都610039 [2]国电大渡河流域水电开发有限公司,四川成都610041

出　　处：《吉林水利》2014年第9期50-53,共4页Jilin Water Resources

基　　金：国家自然科学基金(51279172);流体及动力机械教育部重点实验室学术成果培育项目(西华大学)(SBZDPY-11-3);西华大学研究生创新基金:(ycjj2014174)

摘　　要：根据混流式水轮机转轮内叶道涡现有研究资料,介绍了叶道涡的产生原理、分类及危害,重点阐述了补气、转轮叶片修型、活动导叶修型及转轮更换等几种减轻消除叶道涡的方法,为发生叶道涡引起的水轮机事故的水电站提供了参考及借鉴。According to the existing research data of channel vortex in Francis turbine runner ,This article introduces the principle ,classification and endangerment of the channel vortex.Several methods to reduce and eliminate the channel vortex are specially expounded ,such as air injection ,runner blades repairing ,guide vanes repairing,replacement of runner,and so on,which will provide a reference for the hydropower station having turbine accident,caused by the channel vortex.

关 键 词：混流式水轮机 叶道涡 减轻 消除 

分 类 号：TK733.1[交通运输工程—轮机工程]