Reaeration of Water with Turbine Draft Tube Aspirators.

摘要

The rate at which reaeration of water can be accomplished through introduction of air in turbine draft tubes was studied. A laboratory model simulating flow in a draft tube downstream from a turbine was constructed. Independent control of rate of flow of air and rate of flow of water was accomplished. Dissolved oxygen content of flow before and after reaeration was measured. Dimensionless parameters of aeration efficiency,Froude number and air to water content were plotted. (Author)