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New Theoretical solution of stage-discharge relationship for slit weirs
Date
2018-03-01
Author
FERRO, Vito
Aydın, İsmail
Metadata
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Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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In this paper, the flow-process of a slit weir was analyzed on the basis of a theorem of dimensional analysis and incomplete self-similarity theory. The theoretically deduced stage-discharge formula then was calibrated using experimental data obtained for a ratio between the weir and the channel width, ranging from 0.05 to 0.25. The deduced stage-discharge relationship allowed measuring discharge values characterized by errors that, for 98% of the measured values, were less than or equal to ±5%. The performance of the proposed theoretical stage-discharge formula also was improved by introducing the Reynolds number (for 98.5% of the measured values the error was less than or equal to ±5%, and the error for 74% of the measured values was less than or equal to ±2%)
Subject Keywords
Agricultural and Biological Sciences (miscellaneous)
,
Civil and Structural Engineering
,
Water Science and Technology
URI
https://hdl.handle.net/11511/36455
Journal
Journal of Irrigation and Drainage Engineering
DOI
https://doi.org/10.1061/(asce)ir.1943-4774.0001285
Collections
Department of Civil Engineering, Article