摘要
结合三峡电站排沙底孔闸门区水力特性试验研究成果，讨论了闸门后为有压流的高水头平面闸门在运行过程中空化空蚀问题，提出了减免空蚀的措施。通过对标准门槽及窄缝门槽的体型研究，分别拟定了适合各自门槽的闸门底缘型式。
Based on the test results on hydraulic characteristics of gate region of the Three Gorges Projects(TGPs) desilting bottom outlet, the problems of cavitation behind plane gate under high head and pressure flow condition during its operation are discussed, and the measures of decreasing cavitation or cavitation free operation are proposed. Finally, through the study of structural forms of standard gate slot and narrow slit gate slot, the appropriate gate bottom rim patterns are recommended for each type gate slot, respectively.
出处
《长江科学院院报》
CSCD
北大核心
1999年第3期5-8,共4页
Journal of Changjiang River Scientific Research Institute
关键词
排沙底孔
闸门区
水力特性
空蚀
standard gate slot
narrow slit gate slot
air hole
ventilation speed
flow cavitation coefficient
cavitation erosion
