Solutions for Lateral Outflow in Perforated Conduitsby Jean Berlamont, Lect.; Lab. of Hydr., Dept. of Civ. Engrg., State Univ. of Ghent, Ghent, Belgium,
André Van der Beken, Res. Engr.; (N. F. W. O.) Lab. of Hydr., State Univ. of Ghent; and Lect., Dept. of Civ. Engrg., Free Univ. of Brussels, Brussels, Belgium,
Serial Information: Journal of the Hydraulics Division, 1973, Vol. 99, Issue 9, Pg. 1531-1549
Document Type: Journal Paper
Abstract: Many applications in varied fields of engineering design require a uniform discharge in a perforated conduit. This paper gives general solutions for obtaining a uniform lateral outflow, either by varying the perforation area or the cross-sectional area. This distribution of the lateral outflow in a conduit with constant cross section and constant perforation area is analyzed under normalized form. Appropriate flow parameters are introduced which allow for inertia or pressure recovery, velocity distribution, laminar or turbulent out-flow, and laminar and turbulent smooth or rough flow. All results are presented in diagrams. A design rule for nearly uniform discharge under turbulent pipe flow conditions is derived. The agreement between experimental data and the presented solutions, when the velocity correction coefficient is properly chosen, sustains the actual approach.
Subject Headings: Turbulent flow | Conduits | Outflow | Flow distribution | Laminar flow | Pressurized flow | Pressure distribution | Velocity distribution |
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