System for removing submerged sandwaves

Details System for removing submerged sandwaves System for removing submerged sandwaves

1988-01-19

1989-04-11

Crowder, Clifford D.

Excavating

Peat excavators

37 79, 37195, E02F 528

Patent

active

048193470

ABSTRACT:
An apparatus for removing submerged sandwaves includes a transversely elongate manifold having an array of parallel, transversely spaced-apart fluid jets and an elongate eductor plate parallel to and spaced apart from the manifold so as to form a transverse orifice therebetween located above the outlets of the jets. The manifold and eductor plate are suspended above the riverbed by a pair of trailing arms pivotally connected to a barge. A pump on the barge takes water out of the river and pumps it down one of the trailing arms to the submerged manifold where it is ejected from the jets of the array in a transversely-extending, substantially planar flow parallel to the riverbed. The decreased pressure of the high-velocity water ejected from the jets draws surrounding river water down through the orifice between the manifold and the eductor plate adding significantly to the volumetric flow rate, and the combined flow errodes the riverbed.

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