Journal of Power System Engineering (동력기계공학회지)

The Korean Society for Power System Engineering (한국동력기계공학회)
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Thrust Simulation and Experiments for Underwater Thrusters

수중추진기의 추진력 시뮬레이션 및 실험

  • Ahn, Yong-Seok (Department of Weapon Systems Engineering, Pukyong National University) ;
  • Baek, Woon-Kyung (Department of Mechanical Design Engineering, Pukyong National University)
  • 안용석 (부경대학교 무기체계공학협동과정) ;
  • 백운경 (부경대학교 기계설계공학과)
  • Received : 2017.01.05
  • Accepted : 2017.04.17
  • Published : 2017.06.30
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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

References

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