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Dynamic behaviors of AUV show a complex six-degrees of freedom (6-DOF) motion. They have great influence on the task precision and are influenced by uncertain marine environment parameters, in which influence of the lateral flow is one of the most significant. In this paper, dynamic behaviors of AUV in lateral flow are investigated using the CFD-based numerical method. Pressure distribution on the...
Thermal glider is a new type of underwater glider which harvests its propulsive energy from the thermocline in the ocean. Compared with traditional electric underwater glider, the thermal glider may achieve a much longer duration and range. The heat exchangers on the underwater glider can be mounted above the hull, below the hull, and by the sides of the hull. In this paper, hydrodynamic analysis...
A hybrid underwater glider Petrel-II is presented in this paper. It combines behaviors of traditional autonomous underwater vehicle and those of autonomous underwater gliders. It can dive along a saw-tooth trajectory in the gliding mode and autonomously cruise in the level-flight mode. It is characterized by long endurance, long fight range, high cost efficiency, and good maneuverability. The hydrodynamic...
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