Research on Improvement of Lateral Static Stability Based on Hydrodynamic Parameters of Underwater Glider

In order to improve the lateral static stability of underwater glider under ocean current, premised on certain gliding efficiency, the appropriate hydrofoil swept angle and vertical tail aspect-ratio parameters are designed and numerical simulation method is used to analyze their influence on lateral static navigation performance under conditions of diving and floating. The results show that increasing the hydrofoil swept angle in a certain range has a positive effect on the lateral static stability of underwater glider in different gliding conditions, and increasing the vertical tail aspect-ratio has a dual effect on the lateral static stability in different gliding conditions. The method provides a theoretical basis for the design of hydrodynamic parameters of underwater glider sailing under different working conditions.