ERDC/CHL CETN-IV-26
June 2000
Figure 1. Model inlet results scaled to prototype (To obtain meters, multiply feet by 0.3048)
are results from 18 small-scale movable-bed model experiments. The solid circles are 11
experiments conducted by Mayor-Mora (1977), and the solid triangles are 7 experiments
conducted as part of the Coastal Inlets Research Program (CIRP). These experiment results fall
well below the tidal prism relationship indicating that the inlet cross-sectional area in the model
was an order of magnitude larger than what might be expected for the model tidal prism.
Model results were scaled to prototype size using both conventional Froude scaling and the
scaling relationship given in this technical note. For both methods the tidal prism can be
represented as:
Q
T A Vmax T
P = max =
(4)
π
π
where
P = tidal prism
Qmax = maximum flow discharge
T = tidal period
3
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