State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body Hunan University Changsha 410082 China;
State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body Hunan University Changsha 410082 China;
State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body Hunan University Changsha 410082 China;
College of Electrical and Information Engineering Hunan University Changsha 410082 China;
State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body Hunan University Changsha 410082 China;
vortex suction device; hydrodynamic analysis; swirling flow; underwater wall-climbing robot; CFD;