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eISSN: 2581-9615 || CODEN: WJARAI || Impact Factor 8.2 ||  CrossRef DOI

Research and review articles are invited for publication in April 2026 (Volume 30, Issue 1) Submit manuscript

Investigating pressure changes at the bottom of the stilling basin after the stepped spillway using a numerical model

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  • Investigating pressure changes at the bottom of the stilling basin after the stepped spillway using a numerical model

Sina Najibi *

Department of Civil Engineering, Cameron + Associates Management Inc, Toronto, Ontario, Canada.
 
Research Article
World Journal of Advanced Research and Reviews, 2023, 20(02), 868-876
Article DOI: 10.30574/wjarr.2023.20.2.2329
DOI url: https://doi.org/10.30574/wjarr.2023.20.2.2329
 
Received on 02 October 2023; revised on 12 November 2023; accepted on 14 November 2023
 
Stepped spillways are hydraulic components of dams used to dissipate energy downstream of the dams. Numerous studies have been conducted to understand the hydraulics of flow on stepped spillways, primarily in laboratory settings. The flow passing over stepped spillways can be categorized into two types of flow regimes: Nappe Flow and non-Nappe Flow. In this research, the FLOW-3D software was utilized to model the Cardan configuration of the downstream basin of the stepped overflow based on laboratory data. In this investigation, we compared the distribution profile of maximum, minimum, and average pressures in three areas: the center, right, and left, with the laboratory data in the numerical model using graphical methods and statistical indicators. The results revealed that 08% of the pressures obtained from the model closely matched the laboratory data with an error rate of only 5.1%. 
 
Pressure fluctuations; Stilling basin; Flow 3D Model; Stepped spillway
 
https://wjarr.com/sites/default/files/fulltext_pdf/WJARR-2023-2329.pdf

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Sina Najibi. Investigating pressure changes at the bottom of the stilling basin after the stepped spillway using a numerical model. World Journal of Advanced Research and Reviews, 2023, 20(2), 868-876. Article DOI: https://doi.org/10.30574/wjarr.2023.20.2.2329

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