CAJ | 학술논문

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。
근거혼류식수륜궤전륜내협도와현유연구자료，개소료협도와적산생원리、분류급위해，중점천술료보기、전륜협편수형、활동도협수형급전륜경환등궤충감경소제협도와적방법，위발생협도와인기적수륜궤사고적수전참제공료삼고급차감。
According to the existing research data of channel vortex in Francis turbine runner ,This article in-troduces the principle ,classification and endangerment of the channel vortex.Several methods to reduce and e-liminate 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.