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Journal of Flow Visualization and Image Processing
SJR: 0.161 SNIP: 0.312 CiteScore™: 0.5

ISSN 印刷: 1065-3090
ISSN オンライン: 1940-4336

Journal of Flow Visualization and Image Processing

DOI: 10.1615/JFlowVisImageProc.v2.i3.40
pages 243-250

INFLUENCE OF AFTERBODY GEOMETRY ON THE ROLLING UP OF SHEAR LAYERS

B.H.Lakshmana Gowda
BTL Institute of Technology, Department of Mechanical Engineering, Bommasandra, Bengaluru - 560 099, India

要約

In this report, the influence of the afterbody geometry of bluff bodies on the shear layer separation, reattachment, and the rolling-up process of the shear layer is studied using flow visualization. The afterbody geometries considered are rectangular, curved (semicircular and elliptic), and triangular shapes. In each case the length-to-width (l/b) ratio is systematically varied. It is seen that the relative influence of the geometries depend on the l/b ratio and not only the near wake, but also the wake region beyond can be affected by the afterbody shapes.


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