Abstract
Due to the complex growth environment of wild sea cucumbers, the difficulty and low efficiency of traditional ROV identification, at present, wild sea cucumber fishing is mainly obtained through manual fishing, in order to ensure the life safety of divers and improve the fishing efficiency of sea cucumbers, new ideas and solutions for single-man submersibles suitable for shallow water operations are proposed. Under the condition of ensuring the driver's operating space, the shape and structure of an easy-to-process manned submersible are designed to optimize its resistance performance. Creo was used to establish a model of a single-man submersible for shape design, and three design schemes were proposed: scheme 1 flat spindle type, scheme 2 imitation unmanned boat type, and scheme 3 imitation airfoil type. The drag performance of the single-man submersible is simulated and analyzed by using the Fluent module in the analytical fluid dynamics simulation software Ansys, and the results show that the drag performance of scheme 3 imitation airfoil type is better than that of other schemes.The conclusion was verified by simple experiments.It provides effective reference information for the subsequent structural optimization of single-man submersibles.
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