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Title: Flow rate measurements under sluice gates
Authors: Silva, Carlos
Rijo, Manuel
Keywords: Flow equations
gate free flow
gate submerged flow
Energy-Momentum equation
Issue Date: Jun-2017
Publisher: American Society of Civil Engineers
Citation: Silva, C. and Rijo, M. (2017). Flow rate measurements under sluice gates. Journal of Irrigation & Drainage Engineering, American Society of Civil Engineers (ISSN 0733-9437), 143(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 which consider the division of the submerged flow in partial and totally submerged did not improve the discharge results.
ISSN: 0733-9437
Type: article
Appears in Collections:MED - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica

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