一种改善溢洪道陡槽弯道水流流态的措施研究  

Study on the Measure of Improving the Curved Channel Flow Pattern of Spillway

作　　者：傅灿[1] 邱勇[1] 余雄杰[1] 杨添平[1] 

机构地区：[1]云南农业大学水利水电与建筑学院,昆明650201

出　　处：《南水北调与水利科技》2010年第1期49-51,共3页South-to-North Water Transfers and Water Science & Technology

摘　　要：水库溢洪道受其地形、地质条件限制,在陡槽段不得不设置弯道。针对云南省某水库溢洪道,通过水工模型试验研究,水流通过陡槽弯道后产生了不对称冲击波,水流分布极不均匀,水流流态紊乱,下游消能能力严重不足。为解决这些问题,经反复试验,最终在陡槽弯道段底部垂直布置了四道斜槛。采用这种工程措施,起到了消减急流冲击波,改善陡槽弯道水流流态,提高下游消能能力的良好效果,可为同类工程提供一定参考。For the spillway of a reservoir in Yunnan Province,by hydraulic model test.we have known the water flow brings into the asymmetric shock wave when it passes the curved channel of chute, the distribution of water flow is uneven, the flow pattern is disorder and the ability of energy dissipation is seriously inadequate. After some tests, four sloping sills at the bottom of curved channel of chute are set up finally. Using that engineering measure can have great effects on eliminating the sauh shock wave,improving the flow pattern of curved channel and increasing the ability of energy dissipation.

关 键 词：斜槛 冲击波 溢洪道 弯道水流 

分 类 号：TV131.61[水利工程—水力学及河流动力学]