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TECHNICAL BRIEFS

A Numerical Study of Vortex Breakdown in Turbulent Swirling Flows

[+] Author and Article Information
Robert E. Spall, Blake M. Ashby

Department of Mechanical and Aerospace Engineering, Utah State University, Logan, UT 84322-4130

J. Fluids Eng 122(1), 179-183 (Nov 02, 1999) (5 pages) doi:10.1115/1.483247 History: Received November 23, 1998; Revised November 02, 1999
Copyright © 2000 by ASME
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References

Grabowski,  W. J., and Berger,  S. A., 1976, “Solutions of the Navier-Stokes Equations for Vortex Breakdown,” J. Fluid Mech., 75, pp. 525–544.
Spall,  R. E., and Gatski,  T. B., 1991, “Computational Study of the Topology of Vortex Breakdown,” Proc. R. Soc. London, Ser. A, 435, pp. 321–337.
Breuer,  M., and Hanel,  D., 1993, “A Dual Time-Stepping Method for 3-D Viscous Incompressible Vortex Flows,” Comput. Fluids, 22, pp. 467–484.
Spall,  R. E., 1996, “Transition From Spiral- to Bubble-Type Vortex Breakdown,” Phys. Fluids, 8, pp. 1330–1332.
Sarpkaya,  T., 1995, “Turbulent Vortex Breakdown,” Phys. Fluids, 7, pp. 2301–2303.
Sarpkaya, T., and Novak, F., 1998, “Turbulent Vortex Breakdown Experiments,” IUTAM Symposium on Dynamics of Slender Vortices, E. Krause and K. Gersten, eds., Kluwer Academic Publishers, pp. 287–296.
Hogg,  S., and Leschziner,  M. A., 1989, “Computation of Highly Swirling Confined Flow with a Reynolds Stress Turbulence Model,” AIAA J., 27, 57–63.
Bilanin, A. J., Teske, M. E. and Hirsh, J. E., 1997, “Deintensification as a Consequence of Vortex Breakdown,” Proceedings of the Aircraft Wake Vortices Conference, Report No. FAA-RD-77-68.
Spall,  R. E., and Gatski,  T. B., 1995, “Numerical Calculations of Three-Dimensional Turbulent Vortex Breakdown,” Int. J. Numer. Methods Fluids, 20, pp. 307–318.
Gatski,  T. B., and Speziale,  C. G., 1993, “On Explicit Algebraic Reynolds Stress Models for Complex Turbulent Flows,” J. Fluid Mech., 254, pp. 59–78.
Leonard,  B. P., 1979, “A Stable and Accurate Convective Modeling Procedure Based on Quadratic Upstream Interpolation,” Comput. Methods Appl. Mech. Eng., 19, pp. 59–98.
Patankar, S. V., 1980, Numerical Heat Transfer and Fluid Flow, Washington, DC, Hemisphere Publishing Corp.
Launder,  B. E., Reece,  G. J., and Rodi,  W., 1975, “Progress in the Development of a Reynolds-Stress Turbulence Closure,” J. Fluid Mech., 68, pp. 537–566.
Gibson,  M. M., and Launder,  B. E., 1978, “Ground Effects on Pressure Fluctuations in the Atmospheric Boundary Layer,” J. Fluid Mech., 86, pp. 491–511.
Lien,  F. S., and Leschziner,  M. A., 1994, “Assessment of Turbulence-Transport Models Including Non-Linear RNG Eddy-Viscosity Formulation and Second-Moment Closure for Flow Over a Backward-Facing Step,” Comput. Fluids, 23, pp. 983–1004.
Sarpkaya, T. and Novak, F., private communication.

Figures

Grahic Jump Location
Computational grid in the diverging section of the tube (every fourth grid point plotted in each direction)
Grahic Jump Location
Comparison between experimental data of Sarpkaya and Novak 6 and Sarpkaya 16 and model predictions of centerline mean axial velocity
Grahic Jump Location
Comparison of mean azimuthal velocity between model predictions and experimental data 616. (a) x=5.0; (b) x=8.3
Grahic Jump Location
Comparison of mean axial velocity between model predictions and experimental data 616. (a) x=5.0; (b) x=8.3
Grahic Jump Location
Contours of mean axial velocity for fully three-dimensional, unsteady calculations

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