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Computational separated-reattaching flows around a rectangular cylinder

Tamura, T. / Itoh, Y. / Kuwahara, K.

AbstractThe unsteady behavior of separated-reattaching flows around a rectangular cylinder is investigated numerically. The presence of the separation bubble causes irregularly fluctuating pressure patterns around the reattachment area on the side surface. While bringing into focus the dynamic characteristics of the shear layer separated from the leading edge, we discuss the instability of the strong shear region to form the wake vortices. Especially in comparison between two- and three-dimensional computed flows around the cylinder, the statistical characteristics of a mean, rms and peak values of pressure in the separation bubble region are elucidated.

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Computational separated-reattaching flows around a rectangular cylinder

Tamura, T. / Itoh, Y. / Kuwahara, K.

AbstractThe unsteady behavior of separated-reattaching flows around a rectangular cylinder is investigated numerically. The presence of the separation bubble causes irregularly fluctuating pressure patterns around the reattachment area on the side surface. While bringing into focus the dynamic characteristics of the shear layer separated from the leading edge, we discuss the instability of the strong shear region to form the wake vortices. Especially in comparison between two- and three-dimensional computed flows around the cylinder, the statistical characteristics of a mean, rms and peak values of pressure in the separation bubble region are elucidated.

Computational separated-reattaching flows around a rectangular cylinder

Tamura, T. / Itoh, Y. / Kuwahara, K.

AbstractThe unsteady behavior of separated-reattaching flows around a rectangular cylinder is investigated numerically. The presence of the separation bubble causes irregularly fluctuating pressure patterns around the reattachment area on the side surface. While bringing into focus the dynamic characteristics of the shear layer separated from the leading edge, we discuss the instability of the strong shear region to form the wake vortices. Especially in comparison between two- and three-dimensional computed flows around the cylinder, the statistical characteristics of a mean, rms and peak values of pressure in the separation bubble region are elucidated.

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Document information

Title:

Computational separated-reattaching flows around a rectangular cylinder

Contributors:

Tamura, T. (author) / Itoh, Y. (author) / Kuwahara, K. (author)

Published in:

Journal of Wind Engineering and Industrial Aerodynamics ; 50 ; 9-18

Publication date:

1993-01-01

Size:

10 pages

ISSN:

DOI:

https://doi.org/10.1016/0167-6105(93)90056-T

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

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