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TECHNICAL PAPERS

Flow in a Centrifugal Pump Impeller at Design and Off-Design Conditions—Part II: Large Eddy Simulations

[+] Author and Article Information
Rikke K. Byskov, Christian B. Jacobsen

Fluid Dynamic Engineering, Grundfos Management A/S, DK-8850 Bjerringbro, Denmark

Nicholas Pedersen

Department of Mechanical Engineering, Fluid Mechanics Section, Technical University of Denmark, DK-2800 Lyngby, Denmark

J. Fluids Eng 125(1), 73-83 (Jan 22, 2003) (11 pages) doi:10.1115/1.1524586 History: Received September 20, 2001; Revised August 23, 2002; Online January 22, 2003
Copyright © 2003 by ASME
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References

Vreman,  B., Geurts,  B., and Kuerten,  H., 1997, “Large-Eddy Simulation of the Turbulent Mixing Layer,” J. Fluid Mech., 339, pp. 357–390.
Moser,  R. D., and Moin,  P., 1987, “The Effect of Curvature in Wall-Bounded Turbulent Flows,” J. Fluid Mech., 175, pp. 479–510.
Wu, X., and Squires, K. D., 1998, “Numerical Investigation of the Turbulent Boundary Layer Over a Bump,” J. Fluid Mech., 362 .
Armenio, V., Piomelli, U., and Fiorotto, V., 1999, “Applications of a Largragian Mixed SGS Model in Generallized Coordinates,” Direct and Large-Eddy Simulation III, Peter Voke, Neil D. Sandham, and Leonhard Kleiser, eds., Kluwer Academic Publishers, Dordrecht, The Netherlands, pp. 135–146.
Moin,  P., and Kim,  J., 1982, “Numerical Investigation of Turbulent Channel Flow,” J. Fluid Mech., 118, pp. 341–377.
Härtel,  C., and Kleiser,  L., 1998, “Analysis and modeling of subgrid-scale motions in near-wall turbulence,” J. Fluid Mech., 356, pp. 327–352.
Lamballais,  E., Metais,  O., and Lesieur,  M., 1998, “Spectral-Dynamic Models for Large-Eddy Simulation of Turbulent Rotating Channel Flow,” Theor. Comput. Fluid Dyn., 12, pp. 149–177.
Germano,  M., Piomelli,  U., Moin,  P., and Cabot,  W. H., 1991, “A Dynamic Subgrid-Scale Eddy-Viscosity Model,” Phys. Fluids A, A3(7), pp. 1760–1765.
Piomelli,  U., and Liu,  J., 1995, “Large-Eddy Simulation of Rotating Channel Flow Using a Localized Dynamic Model,” Phys. Fluids, 7(4), pp. 839–848.
Liu,  S., Meneveau,  Ch., and Katz,  J., 1994, “On the Properties of Similarity Subgrid-Scale Models as Deduced From Measurements in a Turbulent Jet,” J. Fluid Mech., 275, pp. 83–119.
Garnier,  E., Mossi,  M., Sagaut,  P., Comte,  P., and Deville,  M., 1999, “On the Use of Shock-Capturing Schemes for Large-Eddy Simulation,” J. Comput. Phys., 153, pp. 273–311.
Haworth, D. C., and Jansen, K., 1996, “LES on Unstructured Deforming Meshes: Towards Reciprocating IC Engine,” CTR, Proceedings of the Summer Program, Center for Turbulence Reserach, Stanford University, Stanford, CA, pp. 329–346.
Jansen, K. E., 1997, “Large-Eddy Simulation Using Unstructured Grids” Advances in DNS/LES. Proceedings of the First AFOSR International Conference on DNS/LES, C. Liu, Z. Liu, and L. Sakell, eds., Greyden Press, Columbus, OH, pp. 117–128.
Eggels,  J. G. M., 1996, “Direct and Large Eddy Simulation of Turbulent Fluid Flow Using the Lattice-Boltzmann Scheme,” Int. J. Heat Fluid Flow, 17, pp. 307–323.
Revstedt,  J., Fuch,  L., and Trägård,  H., 1998, “Large Eddy Simulations of the Turbulent Flow in a Stirred Reactor,” Chem. Eng. Sci., 53(24), pp. 4041–4053.
Song, Ch., and Chen, X., 1996, “Simulation of Flow Through Francis Turbine by LES Method,” XVIII IAHR Symposium on Hydraulic Machinary and Cavitation, E. Cabrera, V. Espert, and F. Martinez, eds., Kluwer, Dordrecht, The Netherlands, 1 , pp. 267–276.
Chen, X., Song, Ch. C. S., Tani, K., Shinmei, K., Niikura, K., and Sato, J., 1998, “Comprehensive Modeling of Francis Turbine System by Large Eddy Simulation Approach,” Hydraulic Machinary and Cavitation, H. Brekke, C. G. Duan, R. K. Fisher, R. Schilling, S. K. Tan, and S. H. Winnoto, eds., World Scientific, Singapore, 1 , pp. 236–244.
Kato, C., Shimizu, H., and Okamura, T., 1999, “Large Eddy Simulation of Unsteady Flow in a Mixed-Flow Pump,” 3rd ASME/JSME Joint Fluids Engeneering Conference, ASME, New York, pp. 1–8.
Jang,  C. M., Furukawa,  M., and Inoue,  M., 2001, “Analysis of Vortical Flow Field in a Propeller Fan by LDV Measurements and LES—Part I: Three-Dimensional Vortical Flow Structures,” ASME J. Fluids Eng., 123, pp. 748–754.
Byskov, R. K., 2000, “Large Eddy Simulation of Flow Structures in a Centrifugal Pump Impeller. Part 1: Theory and Simulation of Pump Flow,” Ph.D. thesis, Aalborg University, Institute of Energy Technology, Aalborg, Denmark.
Byskov, R. K., 2000, “Large Eddy Simulation of Flow Structures in a Centrifugal Pump Impeller. Part 2: Code Validation,” Ph.D. thesis, Aalborg University, Institute of Energy Technology, Aalborg, Denmark.
Baldwin, B. S., and Lomax, H., 1978, “Thin Layer Approximation and Algebraic Model of Separated Turbulent Flow,” AIAA Paper No. 78–257.
Chien,  Y. K., 1982, “Predictions of Channel and Boundary-Layer Flows With a Low-Reynolds Number Turbulence Model,” AIAA J., 20(1), pp. 33–38.
Pedersen,  N., Larsen,  P. S., and Jacobsen,  C. B., 2003, “Flow in a Centrifugal Pump Impeller at Design and Off-Design Conditions—Part I: Particle Image Velocity (PIV) and Laser Doppler Velocimetry (LDV) Measurements,” ASME J. Fluids Eng., 125, pp. 61–72.
Lacor, C., Alavilli, P., Hirsch, Ch., Eliasson, P., Lindblad, I., and Rizzi, A., 1992, “Hypersonic Navier-Stokes Computations About Complex Configurations,” Proceedings from First European CFD Conference, Ch. Hirsch, ed., Elsevier, Amsterdam, 2 , pp. 1089–1096.
Jameson, A., Schmit, W., and Turkel, E., 1981, “Numerical Simulation of the Euler Equations by Finite Volume Methods Using Runge-Kutta Time-Stepping Schemes,” AIAA Paper No. 81.1259.
Hakimi, N., 1997, “Preconditioning Methods for Time Dependent Navier-Stokes Euations. Application to Environmental and Low Speed Flows,” Ph.D. thesis, Department of Fluid Mechanics, Vrije Universiteit, Brussel, Belgium.
Grundfos A/S. WinCAPS Catalogue, 1997, Ver 7.0. Product No: 41260001 CR4-20/1.
Hirsch, Ch., Kang, S., and Pointel, G., 1996, “A Numerically Supported Investigation of the 3D Flow in Centrifugal Impellers—Part I: The Validation Base,” ASME Paper No. 96-GT-151.
Chriss,  R. M., Hathaway,  M. D., and Wood,  J. R., 1996, “Experimental and Computational Results From the NASA Lewis Low-Speed Centrifugal Impeller at Design and Part-Flow Conditions,” ASME J. Turbomach., 118, pp. 55–65.
Muggli,  F. A., Eisele,  K., Casey,  M. V., Gulich,  J., and Schachenmann,  A., 1997, “Flow Analysis in a Pump Diffuser—Part 2: Validation and Limitations of CFD for Diffuser Flows,” ASME J. Fluids Eng., 119, pp. 978–984.
Davidson, L., and Nielsen, P., 1996, “Large Eddy Simulation of the Flow in a Three-Dimensional Ventilated Room,” Roomvent ’96, Fifth International Conference on Air Distribution in Rooms, Yokohama, Japan, 2 , 161–168.
Lund,  T. S., Wu,  X., and Squires,  K. D., 1998, “Generation of Turbulent Inflow Data for Spatially-Developing Boundary Layer Simulation,” J. Comput. Phys., 140, pp. 233–258.
Baralas,  N. Li. E., and Piomelli,  U., 2000, “Inflow Conditions for Large-Eddy Simulations of Mixing Layers,” Phys. Fluids, 12(4), pp. 935–938.
Stepanoff, A. J., 1992, Centrifugal and Axial Flow Pumps. Theory, Design and Application, 2nd Ed., Krieger, Melbourne, FL.
Hajem, EL. E., Morel, R., Champange, J. Y., and Spettel, F., 1998, “Detailed Measurements of the Internal Flow of a Backswept Centrifugal Impeller,” 9th International Symposium on Applications of Laser, pp. 36.2.1–36.2.6.
Liu,  C. H., Vafidis,  C., and Whitelaw,  J. H., 1994, “Flow Characteristics of a Centrifugal Pump,” ASME J. Fluids Eng., 116, pp. 303–309.
Sinha,  M., and Katz,  J., 2000, “Quantitative Visualization of the Flow in a Centrifugal Pump With Diffuser Vanes—Part I: On Flow Structures and Turbulence,” ASME J. Fluids Eng., 122, pp. 97–107.
Ubaldi,  M., Zunino,  P., and Ghiglione,  A., 1998, “Detailed Flow Measurements Within the Impeller and Vaneless Diffuser of a Centrifugal Turbomachine,” Exp. Therm. Fluid Sci., 17, pp. 147–155.
Abramian,  M., and Howard,  J. H. G., 1994, “Experimental Investigation of the Steady and Unsteady Flow in a Model Centrifugal Impeller Passage,” ASME J. Turbomach., 116, pp. 269–279.
Visser, F. C., and Jonker, J. B., 1995, “Investigation of the Relative Flow in Low Specific Speed Model Centrifugal Pump Impellers Using Sweep-Beam Particle Image Velocimetry,” 7th International Symposium on Flow Visualization, Seattle, WA, pp. 654–659.
Lenneman,  E., and Howard,  J. H. G., 1970, “Unsteady Flow Phenomena in Centrifugal Impeller Passages,” J. Eng. Power, 92, pp. 65–72.

Figures

Grahic Jump Location
Two stages of an industrial multistage pump with the shrouded centrifugal pump impeller under study, 28
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Performance curve for a single stage of the multistage pump under investigation. The pump design point is marked by  * , and ○ shows the static pressure rise predicted in the LES simulations.
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Blade-to-blade (left) and meridional (right) view of the impeller under investigation, 28. The circles indicate radii of comparison with experimental data. PS and SS refers to the blade pressure side and suction side, respectively.
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Computational domain of the impeller. For reasons of visualization the shroud is not shown.
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Cross-sectional view of mesh structure in the impeller mid-height
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Convergence history in dual-time-stepping procedure for the continuity equation (upper curve) and z-momentum equation (lower curve) at design load
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Time-averaged velocity field 〈W̃〉 in the impeller mid-height, z/b2=0.5.(Q/Qd=1.0)
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Time-averaged radial velocity, 〈Wr〉/U2 at positions of constant radius. r/R2=0.5 (top) and r/R2=0.95 (bottom). (Q/Qd=1.0).
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Time-averaged velocity field 〈W̃〉 in the impeller mid-height, z/b2=0.5.(Q/Qd=0.25)
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Time-averaged radial velocity, 〈Wr〉/U2 at positions of constant radius. r/R2=0.5 (top) and r/R2=0.95 (bottom). (Q/Qd=0.25).
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Sample instantaneous velocity derivation from the time-averaged velocity, W̃−〈W̃〉, in the impeller mid-height, z/b2=0.5.Q/Qd=1.0 (top) and Q/Qd=0.25 (bottom).
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Turbulence intensity Tu=100k/U2 in the impeller mid-height at z/b2=0.5.Q/Qd=1.0 (top) and Q/Qd=0.25 (bottom).
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Time-averaged SGS viscosity νsgs/ν in the impeller mid-height at z/b2=0.5.Q/Qd=1.0 (top) and Q/Qd=0.25 (bottom).
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Time-averaged model parameter C in the impeller mid-height at z/b2=0.5.Q/Qd=1.0 (top) and Q/Qd=0.25 (bottom).
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Radial (top) and tangential (bottom) velocities in the impeller mid-height, z/b2=0.5, at radial positions of r/R2=0.5 (left) and r/R2=0.9 (right). ——LES, – – – Baldwin-Lomax, [[dot_dash_line]] Chien k-ε and ○ PIV, 24. For PIV only every third data point is shown in order to avoid crowding. (Q/Qd=1.0.).
Grahic Jump Location
Radial (top) and tangential (bottom) velocities in the impeller mid-height, z/b2=0.5, at radial positions of r/R2=0.5 (left) and r/R2=0.9 (right). ——LES, – – – Baldwin-Lomax, [[dot_dash_line]] Chien k-ε and ○ PIV, 24. For PIV only every third data point is shown in order to avoid crowding. (Q/Qd=0.25).
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Velocity field 〈W̃〉 in the impeller mid-height, z/b2=0.5, given at radial positions of r/R2={0.50,0.65,0.75,0.90}. Computed using LES (top) and measured using PIV (bottom). (Q/Qd=0.25).

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