CIV E 530 - OPEN-CHANNEL HYDRAULICS FALL 2019 - MIDTERM 1 - SOLUTION

PROBLEM 4

a.

The exponent of the discharge-area rating: β.

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b.

Gravity, friction, pressure gradient, and inertia.

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c.

W/D > 10

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d.

They are both integrals of force, energy the integration in space, momentum in time.

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e.

Under Chezy friction, in a wide rectangular channel the neutral-stability Froude number is 2.

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f.

For Froude number = 2, under Chezy friction, the Seddon and Lagrange waves have the same celerity.

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g.

n = 0.008, acrylic plastic (lucite).

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h.

For modeling in the Everglades of Florida, n = 1, and more recently, n = 1.2.

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Problem 1

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