Laser-sheet flow visualization on the wake behind a confined ring

Jiun-Jih Miau, E. G. Chiu, J. H. Chou

研究成果: Chapter

摘要

Flow over a ring model situated axisymmetrically in a circular pipe has been studied by laser-sheet flow visualization technique. Over 25 cases of rings in different sizes were investigated and flow characteristics observed are summarized into six regimes, in reference to two geometrical parameters of G/W and D/W. Here, W is the width of the ring, D is the mean diameter of the ring, and G is the gap width between the pipe wall and the outer edge of the ring. It is interesting to point out that vortex-shedding structures produced by a ring model can exist a considerable distance downstream in three of the six regimes, which correspond to different physical processes of shedding. (A)

原文English
主出版物標題Unknown Host Publication Title
發行者New York, USA, ASME; Fluid engineering division; FED vol. 128
ISBN(列印)0791808742, 9780791808740
出版狀態Published - 1991 一月 1

指紋

Flow visualization
Pipe
Lasers
Vortex shedding

All Science Journal Classification (ASJC) codes

  • Engineering(all)

引用此文

Miau, J-J., Chiu, E. G., & Chou, J. H. (1991). Laser-sheet flow visualization on the wake behind a confined ring. 於 Unknown Host Publication Title New York, USA, ASME; Fluid engineering division; FED vol. 128.
Miau, Jiun-Jih ; Chiu, E. G. ; Chou, J. H. / Laser-sheet flow visualization on the wake behind a confined ring. Unknown Host Publication Title. New York, USA, ASME; Fluid engineering division; FED vol. 128, 1991.
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Miau, J-J, Chiu, EG & Chou, JH 1991, Laser-sheet flow visualization on the wake behind a confined ring. 於 Unknown Host Publication Title. New York, USA, ASME; Fluid engineering division; FED vol. 128.

Laser-sheet flow visualization on the wake behind a confined ring. / Miau, Jiun-Jih; Chiu, E. G.; Chou, J. H.

Unknown Host Publication Title. New York, USA, ASME; Fluid engineering division; FED vol. 128, 1991.

研究成果: Chapter

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AB - Flow over a ring model situated axisymmetrically in a circular pipe has been studied by laser-sheet flow visualization technique. Over 25 cases of rings in different sizes were investigated and flow characteristics observed are summarized into six regimes, in reference to two geometrical parameters of G/W and D/W. Here, W is the width of the ring, D is the mean diameter of the ring, and G is the gap width between the pipe wall and the outer edge of the ring. It is interesting to point out that vortex-shedding structures produced by a ring model can exist a considerable distance downstream in three of the six regimes, which correspond to different physical processes of shedding. (A)

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Miau J-J, Chiu EG, Chou JH. Laser-sheet flow visualization on the wake behind a confined ring. 於 Unknown Host Publication Title. New York, USA, ASME; Fluid engineering division; FED vol. 128. 1991