New Stage-Discharge Equation for the SMBF Flume
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VIEW THE REPLYPublication: Journal of Irrigation and Drainage Engineering
Volume 142, Issue 5
Abstract
Flumes for indirect discharge measurements are widespread and are characterized by a particular shape of the cross section area with various degrees of convergence and subsequent divergence. The flume named Samani, Magallanez, Baiamonte, Ferro (SMBF) is a simple and inexpensive instrument and its channel contraction is obtained by applying two semicylinders to the walls of a rectangular cross section. At first, in this paper a new stage-discharge equation for the SMBF flume is theoretically deduced. Then, this equation is experimentally calibrated using the laboratory measurements from the literature for different values of the contraction ratio. Finally the field measurements carried out at Sparacia experimental area (Sicily, South Italy) by a SMBF flume inserted into a horizontal flume and characterized by a contraction ratio equal to 0.5, are used for testing both the new stage-discharge relationship and the one originally proposed in the literature.
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Acknowledgments
This research was supported by a grant from the Ministero Istruzione Università e Ricerca Scientifica, Governo Italiano, Italian Research Project of Relevant Interest (PRIN 2010-2011), prot.20104ALME4, “National network for monitoring, modelling and sustainable management of erosion processes in agricultural land and hilly-mountainous area.” All authors set up the research, analyzed the results, and participated in writing the paper.
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Journal of Irrigation and Drainage Engineering
Volume 142 • Issue 5 • May 2016
Copyright
© 2016 American Society of Civil Engineers.
History
Received: May 26, 2015
Accepted: Nov 10, 2015
Published online: Jan 19, 2016
Published in print: May 1, 2016
Discussion open until: Jun 19, 2016
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