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http://dx.doi.org/10.9726/kspse.2017.21.3.051

Thrust Simulation and Experiments for Underwater Thrusters  

Ahn, Yong-Seok (Department of Weapon Systems Engineering, Pukyong National University)
Baek, Woon-Kyung (Department of Mechanical Design Engineering, Pukyong National University)
Publication Information
Journal of Power System Engineering / v.21, no.3, 2017 , pp. 51-59 More about this Journal
Abstract
In the early design stage of underwater vehicles, it is important to estimate the vehicle's underwater motion performance. The key design elements for the motion are propellers, battery power, and underwater resistance of the vehicle. Small thrusters with motor and propeller are usually used for the UUV(unmanned underwater vehicles). In this study, a multiphysics thruster model combining electro-mechanical and hydrodynamics characteristics was proposed to estimate the thruster performance. To show the applicability of the mathematical model, an sample thruster was used for the derive the unknown parameters of thruster. Hydrodynamic parameters were calculated for a 3D geometry model of the propeller by ANSYS/CFX program. Finally, Matlab/simulink program was used for the numerical simulation to predict the thruster performance from the given voltage/current input to the motor. Also, proved validity of simulation model by experiment test. Test were done by 2 mode(middle/high speed, reverse). The thruster performance curves obtained from this simulation were confirmed to be similar with experiment results.
Keywords
Thruster; Multiphysics model; CFD; Simulation; Experiment;
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