You will learn how to solve 3 hydraulic radius and wetted perimeter example problems for use in Manning’s Equation – rectangle and trapezoid channels and also circular pipes that are only partially full.
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Hydraulic Radius of a rectangular channel and hydraulic radius of a trapezoidal channel are relatively quick to calculate because of their simple geometry. However, when a circular pipe is partially full, you’ll need to find the area of a partially filled pipe, based on the depth of the partially filled pipe. This isn’t a formula or procedure that most people have seen in a while, so I review how to find the area of a circular segment.
TIMECODES
0:00 Rectangle Channel
1:53 Trapezoid Channel
3:09 Circular Pipe
