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What is the only energy available to move solids from the cutter to the pump eye and up the suction pipe when the pump is “in-hull”?

April 26, 2017cutter energy eye in-hull pipe pump solids suction

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What is the only energy available to move solids from the cutter to the pump eye and up the suction pipe when the pump is “in-hull”?

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The only energy/pressure available to move solids from the dredge cutter to the hull pump is the ambient pressure; one atmosphere. As the pump evacuates its housing a void is created. The ambient pressure will push the material to fill the void.