Qing Yang, lecturer, male, born in 1976. 10, teacher of State Key Laboratory of Hydraulics and Development and Protection of Mountain Rivers of Sichuan University, member of Sichuan Hydropower Society. Doctor degree, main research field: engineering hydraulics. Main scientific research projects and achievements: As the main researcher, I participated in the scale-down effect research of primary cavitation in strong turbulent area of high-head spillway tunnel (National Natural Fund No.598790 13), the energy dissipation mechanism research of large single-width stepped spillway dam (National Natural Fund NO.502090 10), and the hydraulic model test of Ertan Hydropower Station, No.