Coherent Structures in a Flow Past a Circular Cylinder at Critical and Super-Critical Reynolds Numbers

被引：0

作者：

Rodriguez, I. ^{[1
]}

Lehmkuhl, O. ^{[2
]}

Chiva, J. ^{[3
]}

Borrell, R. ^{[2
]}

Oliva, A. ^{[3
]}

机构：

[1] Univ Politecn Cataluna, Turbulence & Aerodynam Res Grp, ESEIAAT Colom 11, Terrassa 08222, Spain

[2] Barcelona Supercomp Ctr, Edificio NEXUS II,Gran Capitan 2-4, Barcelona 08034, Spain

[3] Univ Politecn Cataluna, Heat & Mass Transfer Technol Ctr, ESEIAAT Colom 11, Terrassa 08222, Spain

来源：

DIRECT AND LARGE-EDDY SIMULATION X | 2018年 / 24卷

关键词：

D O I：

10.1007/978-3-319-63212-4_32

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

It is well known that the wake topology in the flow past a circular cylinder remains almost unchanged up to Reynolds number ~ 105 Williamson (Annu Rev Fluid Mech 28(1), 477–539 (1996)) [1]. Then, at Re ~ 2 × 105 major changes take place entailing flow separation, turbulence transition in the detached shear layers, reattachment of the flow and further separation of the boundary layer. In the present work, large-eddy simulations of the flow past a cylinder at Reynolds numbers in the range 2.5 × 105-106 are performed. This range includes both critical and super-critical Reynolds numbers (J Fluid Mech 10(3), 345–356 (1961)) [2]. Contradicting results about the wake configuration and structures are found in the literature. © 2018, Springer International Publishing AG.

引用

页码：257 / 262

页数：6

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