响洪甸水库位于淮河支流西(?)河,在安徽金寨县境内总库容26.3亿立方装机容量4万千瓦,库容量占我省之冠,故有大水库小电站之称,水库系多年调节,但泄洪能力很小,既没有泄洪道,又无底孔,只有直径为7米之泄水隧洞(见图1)其出口流速很大,当库水位130 Xiang Hongdian Reservoir is located in the west (?) River of the tributary of the Huaihe River and has a total storage capacity of 2.63 billion cubic meters of installed capacity of 40 million kilowatts in Jinzhai County of Anhui Province. The reservoir capacity occupies the highest place in our province, Regulation, but the ability of flood discharge is very small, there is no spillway, but also no bottom hole, only the diameter of 7 meters of the drainage tunnel (see Figure 1) its export flow rate is large, when the reservoir water level 130