Volumetric Water Delivery Using Baffle Sluice Modules: New Approach
Publication: Journal of Irrigation and Drainage Engineering
Volume 143, Issue 10
Abstract
Baffle sluice modules are used as onfarm volumetric water delivery structures. Several methods for module design have been presented so far to limit the discharge variations to the nominal design value for the variation range of a specified water surface. All methods were on the basis of assumptions to analytically determine the baffle dimensions; hence experimental studies are inevitable for choosing the most appropriate one. Initially in this paper, the performances of current theoretical design methods were evaluated experimentally. On the basis of the obtained results, the common fundamental assumptions of the flow controls through the module were revised. Then, new design criteria of using the baffle modules in parallel were proposed. The new design scheme was on the basis of installing a low delivery module in parallel with a high delivery one. The modules’ dimensions then were determined to minimize the discharge variations. Finally, the performance of the new design scheme was verified experimentally, which shows that the discharge deviation from the nominal design discharge was less than that of all design methods available in the literature.
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Acknowledgments
The authors gratefully acknowledge the research facility provided by the Center of Excellence for Evaluation and Rehabilitation of Irrigation and Drainage Networks, University of Tehran.
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Published In
Journal of Irrigation and Drainage Engineering
Volume 143 • Issue 10 • October 2017
Copyright
©2017 American Society of Civil Engineers.
History
Received: Jan 12, 2017
Accepted: Apr 21, 2017
Published online: Jul 28, 2017
Published in print: Oct 1, 2017
Discussion open until: Dec 28, 2017
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