Abstract
The ocean floor harbors abundant mineral resources, making seabed ore collection technology a prominent research area for scholars worldwide in recent years. In order to further explore the ore collection characteristics of the double-jet hydraulic collector, a numerical simulation method is employed to construct a numerical model, optimize the structure of front and back jet nozzle of the collector, and analyze the effects of circular tube nozzle and blade nozzle, different diameter of circular tube nozzle and nozzle axis distance on the collection efficiency and disturbance of the collector. It is concluded that the double-jet hydraulic collector achieves optimal collection performance when the circular tube nozzle has a diameter of 14 mm and the nozzle axis distance is twice the diameter of the round tube, and higher flow rates are better for collecting nodules but also increase environmental disturbance.
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