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3 cards from this section. Quick, good the night before a test.
What are the main forces acting on water in an open channel?
Think about the motion and resistance.
What does the hydraulic radius represent?
Consider how we describe the shape of a channel.
What are the main forces acting on water in open channel flow?
One of these forces is always a pull in one direction.
True or False: In supercritical flow, the water depth is greater than in subcritical flow.
Think about the definitions of both flows and their characteristics.
A trapezoidal channel has a bottom width of 4 m, side slopes of 2:1, and a depth of 3 m. Calculate the hydraulic radius.
Use the trapezoid area formula and remember to find both the area and perimeter carefully.
Compare the energy loss in a long rectangular channel with laminar flow versus turbulent flow. Discuss factors impacting these losses.
Consider the nature of flow and how it interacts with the channel surface.
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