수산해양기술연구 (Journal of the Korean Society of Fisheries and Ocean Technology)

  • 제42권2호
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  • Pages.86-96
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  • 2006
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  • 2671-9940(pISSN)
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  • 2671-9924(eISSN)
한국수산해양기술학회 (The Korean Society of Fisheries and Ocean Technology)
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PIV를 이용한 범포 주위의 유동장 특성

The characteristics of the flow field around canvas kite using the PIV

  • 배봉성 (국립수산과학원 동해수산연구소 자원관리조성팀) ;
  • 안희춘 (국립수산과학원 수산공학팀) ;
  • 배재현 (국립수산과학원 수산공학팀) ;
  • 박창두 (국립수산과학원 서해수산연구소 자원관리조성팀) ;
  • 김인옥 (국립수산과학원 수산공학팀)
  • Bae, Bong-Seong (Fisheries Resources Management and Enhancement Team, East Sea Fisheries Research Institute, NFRDI) ;
  • An, Heui-Chun (Fisheries Engineering Team, NFRDI) ;
  • Bae, Jae-Hyun (Fisheries Engineering Team, NFRDI) ;
  • Park, Chang-Doo (Fisheries Resources Management and Enhancement Team, West Sea Fisheries Research Institute, NFRDI) ;
  • Kim, In-Ok (Fisheries Engineering Team, NFRDI)
  • 발행 : 2006.05.31
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초록

This research aims at establishing the fundamental characteristics of the kite through the analysis of the flow field around various types of kites. The approach of this study were adopted for the analysis; visualization by PIV(particle image velocimetry). Also, the lift and drag tests of kites had been performed in our previous finding(Bae et al., 2004a; Bae et al., 2004b). For this situation, models of canvas kite were deployed in the circulating water channel for the PIV test using the same conditions as in the lift and drag tests. The results obtained from the above approach are summarized as follows: Given the rectangular and triangular kites when attack angle is $20^{\circ}$, vortex by the boundary layer separation was seen in the leading edge and the flow towards the trailing edge was more turbulent. But, the inverted triangular type kite was seen to be stable without any boundary layer separation or turbulence. The increase of the attack angle resulted in the eddy in order of the rectangular, triangular and inverted triangular type. The magnitude of the eddy followed the same order. The effect of edge-eddy was biggest in the triangular type followed by the rectangular and then the inverted triangular type. The kite as the buoyancy device or the opening device will be very useful when the appropriate applications and the stability are met.

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참고문헌

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