A Review of Literature on the Scour Process under Different Jets Conditions
Publication: Journal of Irrigation and Drainage Engineering
Volume 149, Issue 10
Abstract
Scour is a natural phenomenon in alluvial streams around hydraulic structures due to the removal of bed material and often leads to their failure. Scour due to jets are the most prevalent form of scour seen downstream of hydraulic structures. This paper presents a detailed review of scour processes with respect to the effect of various parameters on scour under different jet conditions. Different aspects of the scour hole characteristics under various applications of jets have been reviewed, which include (1) scour process; (2) the effect of parameters such as impinging height, jet impact angle, aeration, size of sediment particle, and sediment gradation; (3) flow characteristics within the scour hole; and (4) temporal variation and time taken to reach an asymptotic state of scour depth. Moreover, the experimental findings of various researchers on the development of the scour profile geometry and their applicability to large-scale conditions have been summarized.
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Data Availability Statement
All data, models, and code generated or used during the study appear in the published article.
Acknowledgments
We would like to express our sincere gratitude to S. A. Ansari and N. Rajaratnam for granting us permission to utilize the figures, thus fulfilling the requirements of this manuscript.
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Published In
Journal of Irrigation and Drainage Engineering
Volume 149 • Issue 10 • October 2023
Copyright
© 2023 American Society of Civil Engineers.
History
Received: Dec 8, 2022
Accepted: May 26, 2023
Published online: Jul 21, 2023
Published in print: Oct 1, 2023
Discussion open until: Dec 21, 2023
ASCE Technical Topics:
- Alluvial channels
- Bed materials
- Channels (waterway)
- Engineering fundamentals
- Hydraulic engineering
- Hydraulic structures
- Hydraulics
- Material failures
- Materials characterization
- Materials engineering
- Materials processing
- Mathematics
- Parameters (statistics)
- River and stream beds
- River engineering
- Rivers and streams
- Scour
- Statistics
- Water and water resources
- Waterways
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