The Proceedings of the Fluids engineering conference
Online ISSN : 2424-2896
2018
Session ID : OS1-17
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Effect on horseshoe vortex by installing upstream tetrahedron in turbulent boundary layer
*Shintaro YOSHIIShinnosuke OBI
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CONFERENCE PROCEEDINGS FREE ACCESS

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Abstract

The research on the effect of upstream tetrahedron on horseshoe vortex around circular cylinder was conducted. The difference between no tetrahedron and tetrahedron introduced case was investigated by PIV measurements. Velocity measurements conducted at spanwise center plane and spanwise shifted plane. It was confirmed that upstream tetrahedron reduce horseshoe vortex in both plane and lower height tetrahedron works better to reduce vortex.

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© 2018 The Japan Society of Mechanical Engineers
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