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Scour at Coastal Inlet Structures
Scour at inlet navigation structures was investigated using a series of movable-bed physical models. Experiments included ebb and flood flows, sometimes combined with wave action. A new and potentially important scour mechanism was identified for situations where the ebb-flow discharge is redirected by a navigation structure. As ebb flow is deflected, flow velocities increase and a scour trench forms adjacent to the jetty.
In this paper formulations from inviscid jet theory are used to develop an easily-applied, but crude, prediction capability for maximum flow velocity in terms of entrance channel velocity and inlet geometry. A simplified scour prediction method is also provided, but much needs to be done to make it more realistic. Preliminary conclusions are given about scour produced by flood flow combined with waves.
Scour at Coastal Inlet Structures
Scour at inlet navigation structures was investigated using a series of movable-bed physical models. Experiments included ebb and flood flows, sometimes combined with wave action. A new and potentially important scour mechanism was identified for situations where the ebb-flow discharge is redirected by a navigation structure. As ebb flow is deflected, flow velocities increase and a scour trench forms adjacent to the jetty.
In this paper formulations from inviscid jet theory are used to develop an easily-applied, but crude, prediction capability for maximum flow velocity in terms of entrance channel velocity and inlet geometry. A simplified scour prediction method is also provided, but much needs to be done to make it more realistic. Preliminary conclusions are given about scour produced by flood flow combined with waves.
Scour at Coastal Inlet Structures
Hughes, Steven A. (author) / Kamphuis, J. William (author)
25th International Conference on Coastal Engineering ; 1996 ; Orlando, Florida, United States
Coastal Engineering 1996 ; 2258-2271
1997-08-05
Conference paper
Electronic Resource
English
Scour at Coastal Inlet Structures
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