CVG3116 Lecture 9: T5(Theory Review)

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Tutorial 5 Brief Review
Gradually varied non-uniform flow
Mild slope:   
Steep slope:   
Where yc is the critical slope of the channel. Note: A channel may be steep for a
discharge and mild for another one.
The variation of water depth in channels can be calculated using:


Where Sf is the friction slope, representing the slope of the total energy line.
We have:
   
   
And:
   
   
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