CIV250 - Hydraulics and Hydrology | Weeks 9-11

Undular Jumps 1-1.7

Weak Jumps 1.7-2.5

Oscillating Jumps 2.5-4.5

Steady Jumps 4.5-9

Strong Jumps >9

Conductivity

The ability of a material to transmit something

Hydraulic Conductivity

A measure of how easily water flows through a porous medium [K]

Hydraulic Depth

D = A/T

Hydraulic Gradient

Change in hydraulic head per unit distance

Hydraulic Radius

R = A/P_w

Total Flow Energy

Sum of potential, pressure, and velocity heads

Specific Energy

Energy when the channel bed is referred to as the datum

Suppressed Weir

A rectangular section that spans the full width of the channel

Weir with End Contraction

When the width of the weir section is less than the width of the channel

Free Discharge

Downstream water level is lower than the crest

Drowned/Submerged Weir

Downstream water level is higher than the crest

Sharp-Crested Weir

Vertical obstruction with relatively small width

Broad-Crested Weir

Vertical obstruction with solid broad width