Flow Rate Measurements under Sluice Gates
Publication: Journal of Irrigation and Drainage Engineering
Volume 143, Issue 6
Abstract
Sluice gates are commonly used in canals for control and measurement of the flow. The discharge under sluice gates can be determined through the energy-momentum method (EM), the orifice flow rate equations and the application of the -theorem of the dimensional analysis. The different discharge methods available, for free and submerged hydraulic jump including the transition between flows, were compared with experimental data. The performance of the different calibration methods was analyzed. The test program was conducted in the laboratory flume and in the experimental irrigation canal of the University of Évora, Portugal. The test program shows that the evaluation of the discharge under sluice gates for free and submerged flows and for the transition between both flows through the methods based in the EM were those who had better results. For the studied gates openings, the results also show that the methods that consider the division of the submerged flow in partial and totally submerged did not improve the discharge results.
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Published In
Journal of Irrigation and Drainage Engineering
Volume 143 • Issue 6 • June 2017
Copyright
©2017 American Society of Civil Engineers.
History
Received: Jun 13, 2016
Accepted: Nov 28, 2016
Published online: Feb 7, 2017
Published in print: Jun 1, 2017
Discussion open until: Jul 7, 2017
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