Operational principle and dynamic analysis of a new-type water-jet propeller

Abstract

Aimed at the problem of high dissipation of energy,high cost and complicated recovery and restoration with the traditional and water-jet propellers,a highly-efficiency water-jet propeller working with planetary gear train was put forward.It would be suitable for high-speed,small-scale underwater vehicles and robots that work in the shallow water and certain small surface ships as well.Working process of this water-jet propeller was introduced.The operational principle of the planetary gear propulsion was explained by means of homogeneous transformation of coordinate,systems and its kinematic analysis was conducted,so that the displacement,speed and acceleration of the propulsion end were determined.The dynamic analysis was carried out by using the modules of dynamic mechanism analysis and simulation in the software Pro/E.The correctness of kinematics analysis of the planetary gear propulsion and the validity of operational principle of the water-jet propeller were verified.