A new way to reconstruct diversion tunnel into sudden enlargement flood release tunnel with pressure is proposed in this paper.

Shape optimization for pressure outlet transition section and working gate chamber of spillway tunnel;

Basic flow pattern in horizontal rotary flow spillway tunnels and its influencing factors;

Research on shape optimization for flip bucket of spillway tunnel for Xiluodu Hydropower Station;

Research for the Optimization test of outlet of flood discharge tunnel in Narrow Water Course with Large Included Angle;

Smooth blasting technology for flood discharge tunnel of Xiluodu Hydropower Station on right bank

The aerators are widely used in flood discharge tunnels and spillways to prevent the cavitation damage of the structures,and air is sucked by flow from the bottom in normal aerator.

Experimental study on water-wing phenomena for middle-piers of discharge tunnels;

Hydraulics experiment study of Jiudianxia discharge tunnel s sudden enlargement and bottom drop types;

Hydraulic characteristics of throat-type energy dissipater in discharge tunnels;

There are two methods namely flood discharge tunnel and spillway selected and compared for flood discharge structure of the Hengquan Reservoir Project.

The flood discharge process of 3# flood discharge tunnel at Xiluodu Power Station in Jinsha River has been simulated successfully by means of k-ε turbulence model and VOF(Volume of Fluid)methods.