Research Article
Sep 1973
Solutions for Lateral Outflow in Perforated Conduits
Authors: Jean Berlamont and André Van der BekenAuthor Affiliations
Publication: Journal of the Hydraulics Division
Volume 99, Issue 9
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.
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Published In
Journal of the Hydraulics Division
Volume 99 • Issue 9 • September 1973
Pages: 1531 - 1549
Copyright
© 1973 American Society of Civil Engineers.
History
Published in print: Sep 1973
Published online: Feb 3, 2021
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Authors
Affiliations
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
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.