LOCAL SCOUR PROFILES DOWNSTREAM OF ADVERSE STILLING BASINS

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KHALILI SHAYAN H.; FARHOUDI J.

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Paper Information

Journal: SCIENTIA IRANICA Year:2015 | Volume:22 | Issue:1 (TRANSACTIONS A: CIVIL ENGINEERING) Page(s): 1-14

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Information Journal Paper

Title

LOCAL SCOUR PROFILES DOWNSTREAM OF ADVERSE STILLING BASINS

Author(s)

KHALILI SHAYAN H. | FARHOUDI J. | Issue Writer Certificate

Keywords

SCOUR PROFILES

TIME DEPENDENCE

SIMILARITY

ADVERSE STILLING BASIN

SUBMERGED JET

SLUICE GATE

Abstract

In this paper, scour profiles downstream of adverse stilling basins, due to the submerged jet issuing from a sluice gate, were investigated. Experiments were conducted in a wide range of sediment sizes, incoming flow Froude numbers, tail water depths, length and slope of the stilling basin. The results showed that the scour profiles at any bed slope are similar in shape. However, the longitude evolution of scour profiles and the volume of eroded materials increased in accordance with the slope of the basin. It was observed that the maximum depth of the scour hole occurs in the vicinity of the side walls and slightly decreases towards the centerline. A polynomial equation was derived to describe the nondimensional scour profiles at different slopes. Based on experimental data, the scour characteristics have been correlated with the time of equilibrium stage by developing some empirical relationships. Finally, a power-law equation was derived and fully defined to include the dimensions of the scour hole time scale and the geometry of the sluice gate.

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APA: Copy

KHALILI SHAYAN, H., & FARHOUDI, J.. (2015). LOCAL SCOUR PROFILES DOWNSTREAM OF ADVERSE STILLING BASINS. SCIENTIA IRANICA, 22(1 (TRANSACTIONS A: CIVIL ENGINEERING)), 1-14. SID. https://sid.ir/paper/290309/en

Vancouver: Copy

KHALILI SHAYAN H., FARHOUDI J.. LOCAL SCOUR PROFILES DOWNSTREAM OF ADVERSE STILLING BASINS. SCIENTIA IRANICA[Internet]. 2015;22(1 (TRANSACTIONS A: CIVIL ENGINEERING)):1-14. Available from: https://sid.ir/paper/290309/en

IEEE: Copy

H. KHALILI SHAYAN, and J. FARHOUDI, “LOCAL SCOUR PROFILES DOWNSTREAM OF ADVERSE STILLING BASINS,” SCIENTIA IRANICA, vol. 22, no. 1 (TRANSACTIONS A: CIVIL ENGINEERING), pp. 1–14, 2015, [Online]. Available: https://sid.ir/paper/290309/en

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