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《Hongshui River》 2009-05
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Waterway Flushing Test on Overall Hydraulic Model for Letan Hydropower Station

JIANG Ming-xin,LI Ye-jian(Guangxi Hydropower Research Institute,Nanning 530021)  
After the dam of a hydropower station with navigation facilities is constructed,sediment deposition is often found in approach channel due to special location of navigation structures and the impact of hydraulic conditions.Such problem shall be solved in design and construction of the station.Based on features of ship lock arrangement at Letan Hydropower Station and the results of hydraulic physical model test,sand transporting and flushing effect at upstream and downstream approach channels are studied.Tests under different flow rates and operating conditions are done.Through repetitive experimental verification and revision of original design,a better sediment flushing scheme is proposed and adopted by the station.
【CateGory Index】: TV131.61
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