distributive pipeline

One of the methods to intensify the initial dilution process of return water from a sewage treatment facility is to disconnect individual diffuser-type return water discharge devices. It is proposed to perform pre-dilution of return water in a mixer with water from the receiving water body into which they are discharged. The return water should pass into the mixer through the water discharge devices (nozzles) of the distribution pipeline. Empirical research methods were used in this work. The experiments were conducted using the model water.

The Influence of transitional flow rate of water upon dispensing along its path in the initial segment and upon its inflow in the middle and terminal segment of a pipeline equipped with nozzles under the action of external hydraulic head is experimentally investigation. The angle between vectors of the velocities of the stream in the pipeline and the inflowing jets through the nozzles were assigned the following values: ; ; ; ; . The values of the angle in the segment of outflowing jets were correspondingly greater by .