The paper mainly researches the law of fluid motion and sediment transport of density current(defined as adverse slope density current)when the bottom slope is adverse and there is adverse current in the upper layer.

Some similarity relationships between density flow and uniform flow in open channel;

Analysis of mechanism of vertical-component density flow water-sediment separation device

Computational fluid dynamic model for density currents in activated sludge secondary clarifier;

3-D numerical simulation of density currents spreading on the slope;

Total sediment density current differential equation: Ⅱ-application;

Total sediment density current differential equation :Ⅰ-theory;

The curves derived from computations show that the pressure on the cylindrical surface under conditions of nonuniform density fluid is.

Head advancement of turbulent gravity current: numerical solution;

A numerical study on head structure of lock-release gravity currents;

Based on the theoretical analysis, the formula for calculating the gravity current movement speed and stable depth behind the head of a gravity current over a horizontal channel bed surface are established.