Journal of Advanced Marine Engineering and Technology

The Korean Society of Marine Engineering (한국마린엔지니어링학회)
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The Visualization of the Flowfield through Tube Banks with In-line and Staggered Arrangements Using the PIV

PIV를 이용한 정렬 및 엇갈림 배열을 가진 관군을 지나는 유동장의 가시화

  • 노기덕 (경상대학교 기계항공공학부.해양산업연구소) ;
  • 박지태 (경상대학교 대학원 기계시스템공학과) ;
  • 변용수 (범한산업(주) 연구개발부)
  • Published : 2009.01.31
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Abstract

The Characteristics of the flowfield through tube banks with in-line and staggered arrangements were investigated by PIV. Strouhal numbers, velocity vectors and velocity profiles around the cylinders with in-line and staggered arrangements were observed at the pitch ratio Pt/D=2.0 and Reynolds number of Re=$Re=4.0{\times}10^3$. As the results The flow patterns through tube banks were almost a straight line in case of the in-line arrangement while it was almost 八 type in case of the staggered arrangement in the direction of the wake. The average velocity in the rear region of the tube banks with the staggered arrangement was far smaller than that with the in-line arrangement. The Strouhal number in the last rank was far smaller than that in the front ranks in both of the in-line and staggered arrangements. The wake of each cylinder changed with time and with the position of the cylinder.

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References

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