Research Article
Jun 1977
Design of Irrigation Pipe Laterals with Multiple Outlets
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VIEW THE REPLYPublication: Journal of the Irrigation and Drainage Division
Volume 103, Issue 2
Abstract
Design criteria for multiple outlet irrigation pipe laterals are examined and the mean deviation is recommended as the criterion. The problem of the design of sloping pipe laterals (constant diameter) can be solved precisely by computing a series of dimensionless solutions and calculating the mean deviation in each case, as well as the design parameters, which state the relation between frictional losses and gradient differences respectively, to the design outlet pressure. A design chart is presented from which the permissible number of outlets for a given value of mean deviation can be read, or from which the design friction parameter can be read for a given number of outlets so that the pipe diameter can be found.
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Published In
Journal of the Irrigation and Drainage Division
Volume 103 • Issue 2 • June 1977
Pages: 179 - 195
Copyright
© 1977 American Society of Civil Engineers.
History
Published in print: Jun 1977
Published online: Feb 11, 2021
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Authors
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Roland P. Perold
Chf. Engr., Dept. of Agr. Technical Services, Div. of Agr. Engrg., Stellenbosch, Republic of South Africa
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