Influence of Values of Angle of Jet-joining on Non-uniformity of Water Inflow Along the Path in Pressure Collector-Pipeline

Abstract

Results of experimental investigation of the influence of values of the angle  at which jets join a pressure pipeline on the non-uniformity of water inflow along the collector-pipeline (CP) are presented. The inner diameter D of the CP is 11.28 mm, and the diameter d of the nozzles is 4.83 mm, d / D  0.428. Five CPs in which all the nozzles had been installed at angles  , the latter was given the values of:  0 ;  45 ;  90 ;  135 ;  180 , where investiguated. A CP in which in the initial segment the nozzles had been installed at the angle    0 , and in the middle and terminal segment    180 has been also investigated. The greatest non-uniformity of the water inflow along the CP was obtained for CPs with    90 , and the least one for CPs with diffrent values of the angle  . The obtained results give us the reason to conclude that it is possible to adjust the non-uniformity of water inflow into a CP by means of the method of selection of different values of angle  at which the jets join the CP.