병진운동하는 평판의 모서리에서의 3차원 와류 구조 가시화 Three-dimensional vortex structure near a corner of a translating plate

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. Three-dimensional vortex structures in the corner region of translating normal plates are visualized experimentally with defocusing digital particle image velocimetry. Vortex formation processes for three plates with corner angle 60°, 90°, and 120° are compared in order to study the effect of corner shape on vortex formation. In all cases, the self-induction of the starting vortex and its interaction with the potential flow induced by the moving plate cause the vortex to change its form dynamically after the plate starts to translate. While the vortex near a corner follows the plate in the low corner angle of 60°, the vortex separates early from the plate and its forward motion becomes slow in the high corner angle of 120°. It is also found that the starting vortex can transport inward at the corner, which depends on the corner angle.
Publisher
한국가시화정보학회
Issue Date
2015-04
Language
Korean
Citation

한국가시화정보학회지, v.13, no.1, pp.21 - 25

ISSN
1598-8430
DOI
10.5407/jksv.2015.13.1.021
URI
http://hdl.handle.net/10203/204032
Appears in Collection
ME-Journal Papers(저널논문)
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