Numerical Investigation of Vortex Shedding over a Circular Cylinder near a Plane Boundary

被引：0

作者：

Salehi, Mohammad Amin ^{[1
]}

Mazaheri, Said ^{[1
]}

Kazeminezhad, Mohammad Hossein ^{[1
]}

机构：

[1] Iranian Natl Inst Oceanog & Atmospher Sci, Ocean Engn & Technol Res Ctr, Tehran, Iran

来源：

INTERNATIONAL JOURNAL OF OFFSHORE AND POLAR ENGINEERING | 2019年 / 29卷 / 03期

关键词：

OpenFOAM; pressure distribution; force coefficient; separation point; stagnation point; swirling strength; FLOW; VICINITY; DYNAMICS; FORCES;

D O I：

10.17736/ijope.2019.mt23

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

3-D RANS simulations are employed numerically to study flow characteristics around a near-wall circular cylinder for varying gap-to-diameter (G/D) ratios and range of Reynolds numbers from 100 to 6.5 x 10(4). Pressure distribution and other flow parameters were calculated and compared for all of the cases. The reciprocal effect of vortex shedding and flow characteristics on each other has been discussed. The occurrence of vortex shedding suppression is investigated via comparative parameters, through which the features like flow regime, wall presence, vortical activity, and balance between upper and lower vortex sheets can be taken into account.

引用

页码：269 / 276

页数：8

共 24 条

[1] FLOW AROUND A CIRCULAR-CYLINDER NEAR A PLANE BOUNDARY [J].

BEARMAN, PW ;

ZDRAVKOVICH, MM .

JOURNAL OF FLUID MECHANICS, 1978, 89 (NOV) :33-+

[2] Suppression of vortex shedding on a bluff body [J].

Bimbato, Alex Mendonca ;

Alcantara Pereira, Luiz Antonio ;

Hirata, Miguel Hiroo .

JOURNAL OF WIND ENGINEERING AND INDUSTRIAL AERODYNAMICS, 2013, 121 :16-28

[3] On the origins of vortex shedding in two-dimensional incompressible flows [J].

Boghosian, M. E. ;

Cassel, K. W. .

THEORETICAL AND COMPUTATIONAL FLUID DYNAMICS, 2016, 30 (06) :511-527

[4] MEAN AND FLUCTUATING FORCES ON A CIRCULAR-CYLINDER IN CROSS FLOW NEAR A PLANE SURFACE [J].

BURESTI, G ;

LANCIOTTI, A .

JOURNAL OF WIND ENGINEERING AND INDUSTRIAL AERODYNAMICS, 1992, 41 (1-3) :639-650

[5] Flow past a circular cylinder in the vicinity of a plane wall [J].

Dipankar, A ;

Sengupta, TK .

JOURNAL OF FLUIDS AND STRUCTURES, 2005, 20 (03) :403-423

[6]

Gallardo Canabes JP, 2010, THESIS

[7]

Gerrard J., 1997, Fundamentals, P672

[8] THE INFLUENCE OF BOUNDARY-LAYER VELOCITY-GRADIENTS AND BED PROXIMITY ON VORTEX SHEDDING FROM FREE SPANNING PIPELINES [J].

GRASS, AJ ;

RAVEN, PWJ ;

STUART, RJ ;

BRAY, JA .

JOURNAL OF ENERGY RESOURCES TECHNOLOGY-TRANSACTIONS OF THE ASME, 1984, 106 (01) :70-78

[9] Numerical investigation of flow past single and tandem cylindrical bodies in the vicinity of a plane wall [J].

Harichandan, A. B. ;

Roy, A. .

JOURNAL OF FLUIDS AND STRUCTURES, 2012, 33 :19-43

[10] Vortex dynamics for flow over a circular cylinder in proximity to a wall [J].

He, Guo-Sheng ;

Wang, Jin-Jun ;

Pan, Chong ;

Feng, Li-Hao ;

Gao, Qi ;

Rinoshika, Akira .

JOURNAL OF FLUID MECHANICS, 2017, 812 :698-720

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