摘要
通过掺气坎掺气试验,对小底坡明流泄洪洞的掺气坎下空腔回水问题进行了试验研究。结果表明:掺气坎后空腔回水的形成与空腔末端射流冲击角有密切关系。在试验条件下,约当θ>9°时,空腔回水开始出现。该冲击角实际上是各种水力、体型要素的综合反映。
Based on the forced aeration experiment of an aerator, a preliminary study has been carried out on the backwater behind aeration facility which occurred in a free-flow spillway tunnel. The results show that the backwater is related to the impact angle of the jet over the aerator. The impact angle is an important parameter that reflects the hydraulics and shape factors.
出处
《科学技术与工程》
2006年第15期2388-2389,共2页
Science Technology and Engineering
基金
国家自然科学基金(50539064)
国家杰出青年科学基金(50325928)资助
关键词
掺气坎
回水
冲击角
aerator
backwater
impact angle
