Testing the Stage-Discharge Relationship in Sloping SMBF Flumes
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VIEW THE REPLYPublication: Journal of Irrigation and Drainage Engineering
Volume 147, Issue 5
Abstract
The Samani, Magallanez, Baiamonte, Ferro (SMBF) flume is a simple and inexpensive instrument for indirect discharge measurement that was originally proposed for use in a horizontal channel and then also applied in sloping channels. The contraction of the flow cross section, aimed at establishing a critical flow condition, is simply obtained by applying two half cylinders to the walls of a rectangular cross section. In this paper a theoretical approach previously proposed for a horizontal SMBF flume is first extended to a sloping SMBF flume and a new stage-discharge relationship is deduced. Then, this equation is experimentally tested using laboratory measurements from literature for different values of the contraction ratio and flume slope, and its reliability is compared to the reliability of the equation originally proposed in the literature.
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Data Availability Statement
All data used during the study were provided by a third party. Direct requests for these data may be made to the provider as indicated in the Acknowledgments.
Acknowledgments
Both authors set up the research, analyzed the results, and participated in writing the paper. The authors thank Professor Vito Ferro, who provided the data used during the study.
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Published In
Journal of Irrigation and Drainage Engineering
Volume 147 • Issue 5 • May 2021
Copyright
© 2021 American Society of Civil Engineers.
History
Received: Apr 29, 2020
Accepted: Dec 14, 2020
Published online: Mar 10, 2021
Published in print: May 1, 2021
Discussion open until: Aug 10, 2021
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