Research Progress on Energy Dissipation and Aeration Technology in Flood Discharge Shaft
Based on the summary of the research progress in the layout,energy dissipation mechanism,energy dissipation rate and ventilation characteristics of the energy dissipation and aeration technology in the shaft section of the flood discharge tunnel,and combined with the research on the annular aeration bucket in the shaft section of the horizontal swirling flood discharge tunnel in Gongboxia,some thoughts on the energy dissipation and aeration technology in the shaft section are put forward.A large number of engineering practices show that the flood discharge shaft is a kind of efficient internal energy dissipater,which can be arranged in different ways for different running head and discharge flow.Therefore,the energy of water flow in the inlet section of the spillway tunnel is eliminated in advance,and the effect of segmented energy dissipation is formed.Meanwhile,the overall energy dissipation pressure of the high-head spillway tunnel and various high-speed water flow problems in subsequent flows are reduced.It is also a trend to solve the high-speed water flow problems in high-head spillway structures at present.
Energy dissipation in shaft sectionEnergy dissipation mechanismEnergy dissipation rateAeration characteristic
万方数据
维普
