Journal of Advanced Marine Engineering and Technology

The Korean Society of Marine Engineering (한국마린엔지니어링학회)
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The Visualization of the Flow Field through Ship's Propulsion Mechanism of Weis-Fogh Type using the PIV

  • Ro, Ki-Deok (School of Mechanical and Aerospace Engineering.Institute of Marine Industry, Gyeongsang National University) ;
  • Kim, Kwang-Seok (Graduate school of Gyeongsang National University, Department of Mechanical system Engineering) ;
  • Kim, Si-Young (Pukyong National University, Faculty of Mechanical Engineering)
  • Published : 2008.11.30
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Abstract

The Flow fields of a ship's propulsion mechanism of Weis-Fogh type were investigated by the PIV. Velocity vectors and velocity profiles around the operating and stationary wings were observed at opening angles of ${\alpha}=15^{\circ} and $30^{\circ}$, velocity ratios of V/U=$0.5{\sim}1.5$ and Reynolds number of Re=$0.52{\times}10^4{\sim}1.0{\times}10^4$. As the results the fluid between wing and wall was inhaled in the opening stage and was jet in the closing stage. The wing in the translating stage accelerated the fluid in the channel. And the flow fields of this propulsion mechanism were unsteady and complex, but those were clarified by flow visualization using the PIV.

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References

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