首页|Development and experiments of a water-jet propulsion module for hybrid underwater gliders
Development and experiments of a water-jet propulsion module for hybrid underwater gliders
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NETL
NSTL
Elsevier
Underwater gliders (UGs) are widely deployed in oceanographic observation owing to their long endurance. However, with their low speed and saw-tooth pathway, UGs will face serious challenges when operating in areas of strong currents and shallow water. To improve the environmental adaptability of UGs, we present a water-jet propulsion module (WJPM) design in this paper. Compared with propellers, the WJPM is integrated inside the streamlined shell at the stern of UGs without additional attached bodies, thus avoiding the drag generated by the thruster during the gliding process. The integrated structure, hydraulic components, and drive system design of the WJPM are presented. Using the surrogate-based optimization (SBO) method, the optimized design of the integrated flow channel is accomplished. Finally, the tank test and field experiments of the hybrid-driven underwater glider (HDUG) integrated with the WJPM are accomplished. The test results show that the WJPM can significantly improve the maneuverability and environmental adaptability of the HDUG, and the maximum speed of the gliders can reach 2.31 m/s.
NETL
NSTL
Elsevier
