Fig 1.
Sketch of the pre-aerated stilling basin spillway.
Fig 2.
Sketch of flow through the PSB.
Fig 3.
Experimental set-up.
Table 1.
Experimental cases.
Fig 4.
The layout of the air concentration measurement points.
(A) Main view. (B) Plain view.
Fig 5.
Flow regimes of the PSB for both Case M32 and M33 at different Frc.
(A) Case M32. (B) Case M33.
Fig 6.
Variations of σ with Frc concerning the effect of lb and sb.
(A) Effect of lb. (B) Effect of sb.
Fig 7.
Variation of σ with Frc0.2(sb/h1)1.20(lb/h1)-0.59.
Fig 8.
Air concentration at the sill position.
(A) Case M32. (B) Case M33.
Fig 9.
Variation of Cb and Cs downstream of the sill under all Frc.
(A) Case M32. (B) Case M33.
Fig 10.
Variation of Cb and Cs concerning the effect of lb and sb at Frc = 3.43.
(A) Effect of lb. (B) Effect of sb.
Fig 11.
Estimations of local relative local energy loss.