Page 396 - Civil Engineering Formulas

Roller L d 2 d 1 V 1 Strong jump Acceptable Expensive stilling basin and rough surface conditions performance 20 19 18 17 16 15 14 13 12 11 10 9 F 1 = V 1/√gd 1 Length of hydraulic jump in a horizontal channel depends on sequent depth d 2

8
Steady jump Best performance 7 6

5 4
Weak Oscillating jump jump Wavy 3 2

Undular jump Surface turbulence only 1

0 FIGURE 12.18
7 6 5 4 3
L d 2

324