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Hydraulic Jumps in Adverse-Slope Stilling Basins for Stepped Spillways

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2018
938.pdf (12.35Mb)
Authors
Ljubičić, Robert
Zindović, Budo
Vojt, Predrag
Pavlović, Dragutin
Kapor, Radomir
Savić, Ljubodrag
Article (Published version)
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Abstract
The performance of flat stilling basins can be inadequate for conditions when the tailwater depth is insufficient for hydraulic jump stabilization. In such cases, adverse-slope stilling basins can be used because they reduce the necessary tailwater depth. Sloped basins combined with smooth chutes have been the subject of many studies. However, limited research has been done for basins with stepped chutes, which are characterized by intensive flow aeration and high energy dissipation. Based on our scale-model experimental measurements of depth, velocity, and air concentration, we present a momentum-based method to characterize such hydraulic jump: the sequent depth ratio, the length of hydraulic jump roller, and energy dissipation effectiveness. The proposed method provides better agreement with experimental data when compared to existing methods and can be used for preliminary design.
Keywords:
hydraulic jump / stepped spillway / hydraulic models / adverse-slope basin / hydraulic structure design
Source:
Water, 2018, 10, 4
Publisher:
  • MDPI AG
Funding / projects:
  • Monitoring and Modeling of Rivers and Reservoirs (MORE) - Physical, Chemical, Biological and Morphodynamic Parameters (RS-37009)
  • Urban Drainage Systems as Key Infrastructure in Cities and Towns (RS-37010)

DOI: 10.3390/w10040460

ISSN: 2073-4441

WoS: 000434954900114

Scopus: 2-s2.0-85045303048
[ Google Scholar ]
8
3
URI
https://grafar.grf.bg.ac.rs/handle/123456789/940
Collections
  • Radovi istraživača / Researcher's publications
  • Катедра за хидротехнику и водно-еколошко инжењерство
  • Катедра за материјале и конструкције
Institution/Community
GraFar
TY  - JOUR
AU  - Ljubičić, Robert
AU  - Zindović, Budo
AU  - Vojt, Predrag
AU  - Pavlović, Dragutin
AU  - Kapor, Radomir
AU  - Savić, Ljubodrag
PY  - 2018
UR  - https://grafar.grf.bg.ac.rs/handle/123456789/940
AB  - The performance of flat stilling basins can be inadequate for conditions when the tailwater depth is insufficient for hydraulic jump stabilization. In such cases, adverse-slope stilling basins can be used because they reduce the necessary tailwater depth. Sloped basins combined with smooth chutes have been the subject of many studies. However, limited research has been done for basins with stepped chutes, which are characterized by intensive flow aeration and high energy dissipation. Based on our scale-model experimental measurements of depth, velocity, and air concentration, we present a momentum-based method to characterize such hydraulic jump: the sequent depth ratio, the length of hydraulic jump roller, and energy dissipation effectiveness. The proposed method provides better agreement with experimental data when compared to existing methods and can be used for preliminary design.
PB  - MDPI AG
T2  - Water
T1  - Hydraulic Jumps in Adverse-Slope Stilling Basins for Stepped Spillways
IS  - 4
VL  - 10
DO  - 10.3390/w10040460
UR  - conv_1973
ER  - 
@article{
author = "Ljubičić, Robert and Zindović, Budo and Vojt, Predrag and Pavlović, Dragutin and Kapor, Radomir and Savić, Ljubodrag",
year = "2018",
abstract = "The performance of flat stilling basins can be inadequate for conditions when the tailwater depth is insufficient for hydraulic jump stabilization. In such cases, adverse-slope stilling basins can be used because they reduce the necessary tailwater depth. Sloped basins combined with smooth chutes have been the subject of many studies. However, limited research has been done for basins with stepped chutes, which are characterized by intensive flow aeration and high energy dissipation. Based on our scale-model experimental measurements of depth, velocity, and air concentration, we present a momentum-based method to characterize such hydraulic jump: the sequent depth ratio, the length of hydraulic jump roller, and energy dissipation effectiveness. The proposed method provides better agreement with experimental data when compared to existing methods and can be used for preliminary design.",
publisher = "MDPI AG",
journal = "Water",
title = "Hydraulic Jumps in Adverse-Slope Stilling Basins for Stepped Spillways",
number = "4",
volume = "10",
doi = "10.3390/w10040460",
url = "conv_1973"
}
Ljubičić, R., Zindović, B., Vojt, P., Pavlović, D., Kapor, R.,& Savić, L.. (2018). Hydraulic Jumps in Adverse-Slope Stilling Basins for Stepped Spillways. in Water
MDPI AG., 10(4).
https://doi.org/10.3390/w10040460
conv_1973
Ljubičić R, Zindović B, Vojt P, Pavlović D, Kapor R, Savić L. Hydraulic Jumps in Adverse-Slope Stilling Basins for Stepped Spillways. in Water. 2018;10(4).
doi:10.3390/w10040460
conv_1973 .
Ljubičić, Robert, Zindović, Budo, Vojt, Predrag, Pavlović, Dragutin, Kapor, Radomir, Savić, Ljubodrag, "Hydraulic Jumps in Adverse-Slope Stilling Basins for Stepped Spillways" in Water, 10, no. 4 (2018),
https://doi.org/10.3390/w10040460 .,
conv_1973 .

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