Journal of Advanced Marine Engineering and Technology

The Korean Society of Marine Engineering (한국마린엔지니어링학회)
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Measurements of a Round Jet with High-Definition 3D-PTV

  • Hwang, Tae-Gyu (Mechanical Engineering, Graduated School of Korea Maritime University) ;
  • Doh, Deog-Hee (Division of Mechanical and Information Eng., Korea Maritime University) ;
  • Saga Tetsuo (Institute of Industrial Scinece, University of Tokyo) ;
  • Kenneth D. Kihm (Mechanical, Aerospace and Biomedical Engineering, University of Tennessee, Knoxville)
  • Published : 2004.11.01
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Abstract

Two round jets. impinged and pulsed. were measured with high-resolution 3D-PTV technique. The measurement system consists of three CCD cameras, Ar-ion laser, an image grabber and a host computer. Two fitness functions were introduced in a genetic algorithm in order to enhance the correspondences of the particles. One was based on a concept of the continuum theory and the other one was based on a minimum distance error. The velocity profiles of the impinged jet obtained by the constructed 3D-PTV system were compared with those of LDV measurements made in this study. The head vortex of the jet was visualized by LIF and was reconstructed by the constructed high-resolution 3D-PTV system for comparisons.

Keywords

References

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