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Research Papers: CFD and VIV

Particle Image Velocimetry Experiment and Computational Fluid Dynamics Simulation of Flow Around Rigid Cylinder

[+] Author and Article Information
Guangyao Wang

Ocean Engineering Group Department of Civil,
Architectural and Environmental Engineering,
The University of Texas at Austin,
Austin, TX 78712
e-mail: gw5923@utexas.edu

Ye Tian

Ocean Engineering Group Department of Civil,
Architectural and Environmental Engineering,
The University of Texas at Austin,
Austin, TX 78712
e-mail: tianye@utexas.edu

Spyros A. Kinnas

Ocean Engineering Group Department of Civil,
Architectural and Environmental Engineering,
The University of Texas at Austin,
Austin, TX 78712
e-mail: kinnas@mail.utexas.edu

1Corresponding author.

Contributed by the Ocean, Offshore, and Arctic Engineering Division of ASME for publication in the JOURNAL OF OFFSHORE MECHANICS AND ARCTIC ENGINEERING. Manuscript received August 19, 2015; final manuscript received April 5, 2018; published online May 21, 2018. Assoc. Editor: Solomon Yim.

J. Offshore Mech. Arct. Eng 140(5), 051801 (May 21, 2018) (11 pages) Paper No: OMAE-15-1091; doi: 10.1115/1.4039948 History: Received August 19, 2015; Revised April 05, 2018

This work focuses on the study of the flow around a rigid cylinder with both particle image velocimetry (PIV) experiment and computational fluid dynamics (CFD) simulation. PIV measurements of the flow field downstream of the cylinder are first presented. The boundary conditions for CFD simulations are measured in the PIV experiment. Then the PIV flow is compared with both Reynolds-averaged Navier–Stokes (RANS) two-dimensional (2D) and large eddy simulation (LES) three-dimensional (3D) simulations performed with ANSYS fluent. The velocity vector fields and time histories of velocity are analyzed. In addition, the time-averaged velocity profiles and Reynolds stresses are analyzed. It is found that, in general, LES (3D) gives a better prediction of flow characteristics than RANS (2D).

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References

Stetson, P. B. , 2013, “PIV Measurements of Flow Field Downstream of a Cylinder With and Without Fairing and Comparison With CFD,” M.S. thesis, Ocean Engineering Group, The University of Texas at Austin, Austin, TX . https://repositories.lib.utexas.edu/handle/2152/21493
Huang, Z. , 2011, “CFD Simulation of Riser VIV,” Ph.D. thesis, Texas A&M University, College Station, TX. http://oaktrust.library.tamu.edu/bitstream/handle/1969.1/ETD-TAMU-2011-05-9335/HUANG-DISSERTATION.pdf?sequence=2
Bearman, P. W. , 1984, “Vortex Shedding From Oscillating Bluff Bodies,” Annu. Rev. Fluid Mech., 16(1), pp. 195–222. [CrossRef]
Gabbai, R. , and Benaroya, H. , 2005, “An Overview of Modeling and Experiments of Vortex-Induced Vibration of Circular Cylinders,” J. Sound Vib., 282(3–5), pp. 575–616. [CrossRef]
de Wilde, J. , Huijsmans, R. , and Tukker, J. , 2006, “Experimental Investigation Into the Vortex Formation in the Wake of an Oscillating Cylinder Using Particle Image Velocimetry,” The Sixteenth International Offshore and Polar Engineering Conference, International Society of Offshore and Polar Engineers, San Francisco, CA, May 28–June 2, Paper No. ISOPE2006-JSC-434. http://www.marin.nl/web/Publications/Publication-items/Experimental-investigation-into-the-vortex-formation-in-the-wake-of-an-oscillating-cylinder-using-Particle-Image-Velocimetry-1.htm
Kang, Z. , and Jia, L. , 2013, “An Experiment Study of a Cylinder's Two Degree of Freedom VIV Trajectories,” Ocean Eng., 70, pp. 129–140. [CrossRef]
Wang, Q. , Li, M. , and Xu, S. , 2015, “Experimental Study on Vortex Induced Vibration (VIV) of a Wide-d-Section Cylinder in a Cross Flow,” Theor. Appl. Mech. Lett., 5(1), pp. 39–44. [CrossRef]
Al-Jamal, H. , and Dalton, C. , 2004, “Vortex Induced Vibrations Using Large Eddy Simulation at a Moderate Reynolds Number,” J. Fluids Struct., 19(1), pp. 73–92. [CrossRef]
Asyikin, M. T. , 2012, “CFD Simulation of Vortex Induced Vibration of a Cylindrical Structure,” M.S. thesis, Norwegian University of Science and Technology, Trondheim, Norway. https://brage.bibsys.no/xmlui/handle/11250/232233
Blackburn, H. M. , Govardhan, R. , and Williamson, C. , 2001, “A Complementary Numerical and Physical Investigation of Vortex-Induced Vibration,” J. Fluids Struct., 15(3–4), pp. 481–488. [CrossRef]
Shur, M. , Spalart, P. R. , Squires, K. D. , Strelets, M. , and Travin, A. , 2005, “Three Dimensionality in Reynolds-Averaged Navier–Stokes Solutions around Two-Dimensional Geometries,” AIAA J., 43(6), pp. 1230–1242. [CrossRef]
Verma, A. , and Mahesh, K. , 2012, “A Lagrangian Subgrid-Scale Model With Dynamic Estimation of Lagrangian Time Scale for Large Eddy Simulation of Complex Flows,” Phys. Fluids, 24(8), p. 085101. [CrossRef]
Williamson, C. H. , 1988, “Defining a Universal and Continuous Strouhal–Reynolds Number Relationship for the Laminar Vortex Shedding of a Circular Cylinder,” Phys. Fluids, 31(10), pp. 2742–2744. [CrossRef]
Wang, G. , 2015, “PIV Experiment and CFD Simulation of Flow Around Cylinder,” M.S. thesis, Ocean Engineering Group, The University of Texas at Austin, Austin, TX. https://repositories.lib.utexas.edu/handle/2152/31761

Figures

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Fig. 1

Open channel flume and Dantec PIV system setup

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Fig. 2

Schematic of cylinder in the flume

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Fig. 3

Photo of cylinder during the measurement

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Fig. 4

PIV calibration image

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Fig. 5

Image of particles

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Fig. 6

Schematic of the measured region

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Fig. 7

Horizontal velocity profile of the inflow

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Fig. 8

Vertical velocity profile of the inflow

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Fig. 9

Horizontal velocity profile of the top side

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Fig. 10

Vertical velocity profile of the top side

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Fig. 11

Time history of horizontal velocity at the selected point of the inflow

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Fig. 12

2D mesh replicating the measured region

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Fig. 13

Close-up of mesh in the vicinity of cylinder

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Fig. 14

3D mesh replicating the measured region

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Fig. 15

Results of RANS (3D) at three different planes in the spanwise direction

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Fig. 16

Results of LES at three different planes in the spanwise direction

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Fig. 17

Boundary conditions for 2D case

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Fig. 18

Relationship between Re and Strouhal number [13]

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Fig. 19

Y+ around the cylinder in RANS

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Fig. 20

Y+ around the cylinder in LES

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Fig. 21

Location of points around cylinder

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Fig. 22

Velocity profile recording sections

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Fig. 23

Time history of horizontal velocity of point 1

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Fig. 24

Time history of horizontal velocity of point 2

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Fig. 25

Time history of horizontal velocity of point 3

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Fig. 26

Time history of horizontal velocity of point 4

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Fig. 27

Time history of horizontal velocity of point 5

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Fig. 28

Time history of horizontal velocity of point 6

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Fig. 29

Time history of horizontal velocity of point 7

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Fig. 30

Time history of horizontal velocity of point 8

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Fig. 31

Time history of horizontal velocity of point 9

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Fig. 32

Time history of horizontal velocity of point 10

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Fig. 33

Time-averaged horizontal velocity at section 1

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Fig. 34

Time-averaged vertical velocity at section 1

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Fig. 35

Time-averaged horizontal velocity at section 2

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Fig. 36

Time-averaged vertical velocity at section 2

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Fig. 37

Time-averaged horizontal velocity at section 3

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Fig. 38

Time-averaged vertical velocity at section 3

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Fig. 39

〈u′2〉 at section 1

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Fig. 40

〈v′2〉 at section 1

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Fig. 41

〈u′v′〉 at section 1

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Fig. 42

〈u′2〉 at section 2

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Fig. 43

〈v′2〉 at section 2

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Fig. 44

〈u′v′〉 at section 2

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Fig. 45

〈u′2〉 at section 3

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Fig. 46

〈v′2〉 at section 3

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Fig. 47

〈u′v′〉 at section 3

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Fig. 49

Close-up near the cylinder of the refined mesh

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Fig. 50

Close-up of grids on the surface of the cylinder

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Fig. 51

Comparison of pressure coefficients on the cylinder

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Fig. 52

Comparison of wall Y-plus values on the cylinder

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Fig. 53

Comparison of time history of horizontal velocity at point 10 (the two curves are practically identical to each other)

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Fig. 54

Comparison of time-averaged velocity profiles at section 1

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