Hydraulic and earth engineering – Fluid control – treatment – or containment – Erosive scouring
Patent
1989-05-15
1991-02-12
Taylor, Dennis L.
Hydraulic and earth engineering
Fluid control, treatment, or containment
Erosive scouring
405 74, 37 63, 37 75, 37 78, E02F 388
Patent
active
049919970
ABSTRACT:
A method and apparatus for the transport of sand or silt underlying or adjoining a body of water using a submerged fluid induction device is disclosed. The device includes an open bottom and comprises an enclosure which is submerged below the top surface of the sand. One or more apertured pipes, supplied with a pressurized fluidizing medium such as seawater, are positioned below the enclosure. The apertured pipe(s) fluidize the sand underlying the enclosure to induce it up into the enclosure and out an opening at one end of the enclosure. A sump enclosure receives the fluidized sand discharged from the enclosure, and a jet pump within the sump enclosure, having its own associated fluidizing pipe, pumps the fluidized sand through a transport pipe to a remote discharge point. The device as described prevents the build up of sand in the region overlying the enclosure.
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"Fluidization-A New Channel Maintenance Technology Now Available"; Adams, Parks, Weismann and Collins; 1986.
"Anna Maria, Florida: Case Study of Sand Fluidization for Channel Maintenance"; Collins, Parks, Weisman and Adams; 1987.
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"Analytical Model of Duct Flow Fluidization"; Bailard and Inman; 1975.
DeLiguori Franco S.
Taylor Dennis L.
Wasp Edmund J.
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