Question: A 1:25 model is built to study a stilling basin at the outlet of a steep spillway chute assuming inertial and gravity forces are dominant.

A 1:25 model is built to study a stilling basin at the outlet of a steep spillway chute assuming inertial and gravity forces are dominant. The stilling basin consists of a horizontal floor (apron) with U.S. Bureau of Reclamation (USBR) type II baffles installed to stabilize the location of the hydraulic jump. The prototype has a rectangular cross section 82.0 ft wide designed to carry a 2,650 cfs (ft3/sec) discharge. The velocity immediately before the jump is 32.8 ft/sec. Determine the following:
(a) The model discharge,
(b) The velocity in the model immediately before the jump,
(c) The Froude number of the prototype and the model at this location, and
(d) The prototype depth downstream of the jump (see Section 8.10, Figure 8.21).

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