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The wave glider is a long-endurance unmanned surface vehicle driven by wave energy, widely used in hydrological and meteorological observations as well as oceanographic surveys. However, its low speed due to a single driving mechanism limits its adaptability at sea. To improve speed, this paper proposes a method of sail-assisted wave glider. First, the aerodynamic parameters of the sail were obtained through CFD numerical simulation. Next, a multi-body dynamics coupling model for the wave and sail-assisted wave glider was established. Finally, the synergistic driving effects under typical sea conditions were simulated and analyzed. The results show that, except for headwind and tailwind angles within 30°, the speed increases, with the optimal enhancement observed under crosswind conditions. Under a second-level sea state and a wind speed of 20 kn, the speed can increase by up to 28%. Furthermore, the synergistic propulsion effect and the motion response characteristics of the twin-body structure exhibit strong coupling with wave and wind fields. The research findings provide important theoretical support and design foundations for the optimization of the propulsion system and navigation control strategies of sail-assisted wave gliders.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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