A modified stage-discharge model for semicircular weirs using a new hybrid method
Publish place: International Conference on Science and Engineering
Publish Year: 1394
Type: Conference paper
Language: English
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Document National Code:
ICESCON01_0390
Index date: 14 February 2016
A modified stage-discharge model for semicircular weirs using a new hybrid method abstract
Circular weirs have been utilized as a flow-measuring device in open channel hydraulics. Since the corresponding theoretical equation for computing discharge is not adequately suited for practical purposes due to its complexity, empirical models are utilized as a preferable alternative. In this research, new improved simple formulas for semi-circular weirs with sharp and semi-circular crests were proposed in favor of achieving more accurate results. These relations were obtained using a new hybrid method for an experimental data base. The proposed correlations were compared with the ones in the current literature. The results demonstrates that the proposed models reduce the mean absolute relative errors, MARE, by 32 and 64 percentages.
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A modified stage-discharge model for semicircular weirs using a new hybrid method authors
Majid Niazkar
PhD. Student, Civil and Environmental Engineering Dept., Engineering School, Shiraz University, Shiraz, Iran.
Seied Hosein Afzali
Assistant professor, Civil and Environmental Engineering Dept., Engineering School, Shiraz University, Shiraz, Iran. (Corresponding Author)
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