Professor Wen Heng and his students found that velocity of bottom of water is too much,and found that roughened apron by waste tires can adjust velocity and low velocity of bottom of water .

The professor Wen Heng and his students found that velocity of bottom of water is too much, and they found that roughened apron by waste tires can adjust velocity and lower velocity of bottom of water.

The f-Re relationship and formula for mean velocity in smooth region of turbulent open channel flow with hyperconcentrated sediment;

The influence of aeration on average velocity of self-aerated chute flow;

Research on application of fuzzy optimization neural network model to debris flow average velocity forecasting;

Based on the Nikurades velocity distribution formula in the round pipe fluid flow,combining with the experiment results of fluid mechanics,the relationships between the average velocity and radius of round pipe are given,which offers the basis for the design of the flow meter applying Pitot pipe theory.