Predictions of a Turbulent Separated Flow Using Commercial CFD Codes

[+] Author and Article Information
Gianluca Iaccarino

Center for Turbulence Research, Stanford University, Stanford, CA 94305-3030

J. Fluids Eng 123(4), 819-828 (May 21, 2001) (10 pages) doi:10.1115/1.1400749 History: Received October 16, 2000; Revised May 21, 2001
Copyright © 2001 by ASME
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Freitas,  C. J., 1995, “Perspective: Selected Benchmarks From Commercial CFD Codes,” ASME J. Fluids Eng., 117, p. 210–218.
Durbin,  P. A., 1996, “On the k-ε Stagnation Point Anomaly,” Int. J. Heat Fluid Flow, 17, pp. 89–91.
Launder,  B. E., and Sharma,  A., 1974, “Application of the Energy-Dissipation Model of Turbulence to the Calculation of Flow Near a Spinning Disk,” Lett. Heat Mass Transfer 1, pp. 131–138.
Durbin,  P. A., 1995, “Separated Flow Computations with the k-ε-v2 Model,” AIAA J., 33, pp. 659–664.
Apsley,  D. D., and Leschziner,  M. A., 2000, “Advanced Turbulence Modeling of Separated Flow in a Diffuser,” Flow, Turbul. Combust., 63, pp. 81–112.
Parneix,  S., Durbin,  P. A., and Behnia,  M., 1998, “Computation of a 3D turbulent boundary layer using the v′2−f model,” Flow, Turbul. Combust., 10, pp. 19–46.
Behnia,  M., Parneix,  S., Shabany,  Y., and Durbin,  P. A., 1999, “Numerical Study of Turbulent Heat Transfer in Confined and Unconfined Impinging Jets,” Int. J. Heat Fluid Flow 20, pp. 1–9.
Kaltenback,  H. J., Fatica,  M., Mittal,  R., Lund,  T. S., and Moin,  P., 1999, “Study of the Flow in a Planar Asymmetric Diffuser Using Large Eddy Simulations,” J. Fluid Mech., 390, pp. 151–185.
Vandoormaal,  J. P., and Raithby,  G. D., 1984, “Enhancements of the SIMPLE Method for Predicting Incompressible Fluid Flows,” Numer. Heat Transfer, 7, pp. 147–163.
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.
Kim, S. E., 2001, “Unstructured Mesh Based Reynolds Stress Transport Modeling of Complex Turbulent Shear Flows,” AIAA Paper 2001-0728.
Barth, T. J., and Jespersen, D., 1989, “The Design and Application of Upwind Schemes on Unstructured Meshes,” AIAA Paper 89-0366.
Craft, T. J., Launder, B. E., and Suga, K., 1995, “A Non-Linear Eddy-Viscosity Model Including Sensitivity to Stress Anisotropy,” Proc. 10th Symposium on Turbulent Shear Flows, 2 , pp. 23.19–23.24.
Launder, B. E., and Spalding, D. B., 1972, Mathematical Models of Turbulence, Academic Press, London.
Rodi, W., 1991, “Experience with two-layer models combining the k-ε model with a one-equation model near the wall,” AIAA Paper 91-0216.
Gibson,  M. M., and Launder,  B. E., 1978 “Ground Effects and Pressure Fluctuations in the Atmospheric Boundary Layer,” J. Fluid Mech., 86, pp. 491–511.
Speziale, C. G., Abid, R., and Anderson, E. C., 1990, “A critical evaluation of two-equation models for near wall turbulence,” AIAA Paper 90-1481.
Obi, S., Aoki, K., and Masuda, S., 1993, “Experimental and Computational Study of Turbulent Separating Flow in an Asymmetric Plane Diffuser,” Proc. 9th Symposium on Turbulent Shear Flows, pp. 305-312.
Buice,  C. U., and Eaton,  J. K., 1997, “Experimental Investigation of Flow Through an Asymmetric Plane Diffuser,” Report No. TSD-107. Thermosciences Division, Department of Mechanical Engineering, Stanford University, Stanford, CA, USA.


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Asymmetric diffuser geometry
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Computational grid—detail of the channel-diffuser connection
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Convergence history (L norm). Left column: v′2−f model; right column: low-Reynolds k-ε model. (a) CFX v4.3; (b) fluent v5.3; (c) star-CD v3.1.
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Mean streamwise velocity—CFX. Contour levels Min=−0.05;max=1.0,Δ=0.05 (dashed lines negative values).
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Streamwise velocity profiles
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Turbulent kinetic energy profiles
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Skin friction distribution on the diffuser walls. Left column: v′2−f model; right column: low-Reynolds k-ε model. (a) Lower wall; (b) Upper wall.
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Grid convergence and differencing scheme dependency—Fluent low-reynolds k-ε model
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Results using a differential Reynolds-stress model and non-linear eddy viscosity model




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