Forced Hydraulic Jump in a Diverging Stilling Basin Using Angled Baffle Blocks

Eshkou, Z.; Dehghani, Amir Ahmad; Ahmadi, Ahmad

doi:10.1061/(asce)ir.1943-4774.0001328

Cited by 8 publications

(1 citation statement)

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“…They found that the roller length of the hydraulic jump on a gradual expansion basin with a rough bed was smaller than classical hydraulic jumps in a rectangular basin with a smooth and rough bed. Eshkou et al (2018) evaluated the effect of angled baffle blocks in an expanding channel. Analysis of experimental data illustrated that the best convergence angle is 30 degrees, which decreased jump length by up to 35%.…”

Section: Graphical Abstract Introductionmentioning

confidence: 99%

Experimental study of spatial hydraulic jump stabilization using lateral jet flow

et al. 2022

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The present experimental study analyzes the effects of lateral jet flow (LJF) in a stilling basin with abruptly expanding channels on the stabilization and the significant characteristics of spatial hydraulic jump. The experiments were carried out with three different inflow Frude number (8.77,9.56,and 10.87), three different distances of the LJF from the abruptly expanding channel (0 m, 0.25 m, and 0.5 m), and one and two LJF (i.e., the number of active orifices in the LJF system). According to the results, both distances of the LJF from the narrow channel and the number of LJF improve the hydraulic jump's stabilization and flow pattern enhancement in the tailwater channel. Additionally, the average sequent depth and the spatial jump length decreased by 14 and 20%, respectively, compared to no LJF. Also, using LJF increases relative energy dissipation by 12.45% on average.

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Section: Graphical Abstract Introductionmentioning

confidence: 99%