This paper designs a flying wing underwater glider based on the design concept of wing-body fusion aircraft,and its main design parameters.Through calculation,it is found that the flying wing underwater glider has a higher lift-to-drag ratio than the traditional underwater glider,which can reach more than 15.The flow field distribution results show that there is no significant flow separation around the wing of a flying wing underwater glider at specific speeds of 0.1 m/s,0.3 m/s,and 0.5 m/s.The surface pressure of the wing depends greatly on the Angle of attack.By comparing the vortex shed-ding on the wing surface under different o Reynolds numbers,it is found that the vortex shedding increases sharply with the increase of the Angle of attack,and a large number of vortices appear at the tail of the wingtip small wing,which greatly af-fects the motion state of the glider.
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