0
TECHNICAL PAPERS

Numerical Simulation of the Dynamic Effects Due to Impeller-Volute Interaction in a Centrifugal Pump

[+] Author and Article Information
José González, Joaquı́n Fernández, Eduardo Blanco, Carlos Santolaria

Universidad de Oviedo, Área de Mecánica de Fluidos, Campus de Viesques, 33271 Gijón, Asturias, Spaine-mail: aviados@correo.uniovi.es

J. Fluids Eng 124(2), 348-355 (May 28, 2002) (8 pages) doi:10.1115/1.1457452 History: Received July 01, 2001; Revised September 12, 2001; Online May 28, 2002
Copyright © 2002 by ASME
Your Session has timed out. Please sign back in to continue.

References

Brennen, C. E., 1994, Hydrodynamics of Pumps, Oxford University Press and CETI Inc.
Adkins,  D. R., and Brennen,  C. E., 1988, “Analysis of Hydrodynamic Radial Forces on Centrifugal Pump Impellers,” ASME J. Fluids Eng., 110, pp. 20–28.
Dong,  R., Chu,  S., and Katz,  J., 1997, “Effect of Modification to Tongue and Impeller Geometry on Unsteady Flow, Pressure Fluctuations and Noise in a Centrifugal Pump,” ASME J. Turbomach., 119, pp. 506–515.
Kaupert,  K. A., and Staubli,  T., 1999, “The Unsteady Pressure Field in a High Specific Speed Centrifugal Pump Impeller. Part I: Influence of the Volute,” ASME J. Fluids Eng., 121, pp. 621–626.
Chu,  S., Dong,  R., and Katz,  J., 1995, “Relationship Between Unsteady Flow, Pressure Fluctuations, and Noise in a Centrifugal Pump-Part B: Effects of Blade-Tongue Interactions,” ASME J. Fluids Eng., 117, pp. 30–35.
Lakshminarayana,  B., 1991, “An Assessment of Computational Fluid Dynamic Techniques in the Analysis and Design of Turbomachinery-The 1990 Freeman Scholar Lecture,” ASME J. Fluids Eng., 113, pp. 315–352.
Croba,  D., and Kueny,  J. L., 1996, “Numerical Calculation of 2D, Unsteady Flow in Centrifugal Pumps: Impeller and Volute Interaction,” Int. J. Numer. Methods Fluids, 22, pp. 467–481.
Denus, C. K., and Göde, E., 1999 “A Study in Design and CFD Analysis of a Mixed-Flow Pump Impeller,” ASME-FEDSM-99-6858.
Miner,  S. M., 2000, “Evaluation of Blade Passage Analysis Using Coarse Grids,” ASME J. Fluids Eng., 122, pp. 345–348.
British Standard BS-5316 Part-2, 1977, “Acceptance Tests for Centrifugal, Mixed Flow and Axial Pumps.”
González, J., 2000, “Modelización Numérica del Flujo no Estacionario en Bombas Centrı́fugas. Efectos Dinámicos de la Interacción entre Rodete y Voluta,” Ph.D. thesis (in Spanish), Universidad de Oviedo, Spain.
Kline,  S. J., 1985, “The Purposes of Uncertainty Analysis,” ASME J. Fluids Eng., 107, pp. 153–160.
Parrondo, J. L., Fernández, J., González, J., and Fernández, L., 2000, “An Experimental Study on the Unsteady Pressure Distribution Around the Impeller Outlet of a Centrifugal Pump,” ASME-FEDSM-00-11302.
Longatte, F., and Kueny, J. L., 1999, “Analysis of Rotor-Stator-Circuit Interactions in a Centrifugal Pump,” ASME-FEDSM-99-6866.
Blanco, E., Fernández, J., González, J., and Santolaria, C., 2000, “Numerical Flow Simulation in a Centrifugal Pump with Impeller-Volute Interaction,” ASME-FEDSM-00-11297.

Figures

Grahic Jump Location
Pressure taps and angular reference around the volute for unsteady measurements
Grahic Jump Location
Flow pattern at the blade passing frequency for two different flow rates (0.2 QN and QN) as function of the circumferential position (φ)
Grahic Jump Location
Sketch of the pump unstructured mesh. (Inlet and outlet pipe portions are added.)
Grahic Jump Location
Detail of the impeller mesh. (Only half of the mesh points are made visible.)
Grahic Jump Location
Static pressure contours (Pa) at nominal flow rate
Grahic Jump Location
Helicity at various angular points around the volute in m/s2 . (From volute tongue, each 90° in the rotating sense.)
Grahic Jump Location
Comparison of the performance curves. (Nondimensional head and efficiency.)
Grahic Jump Location
Pressure fluctuations in the volute wall in a angular position opposite to the tongue at a radius R=107 mm
Grahic Jump Location
Unsteady pressure distributions around the impeller. (Numerical results for the nominal flow rate.)
Grahic Jump Location
Comparison of the pressure fluctuations at the blade passing frequency for Q=0.5 QN. Tongue at φ=0 deg.
Grahic Jump Location
Comparison of the pressure fluctuations at the blade passing frequency for Q=0.7 QN. Tongue at φ=0 deg.
Grahic Jump Location
Comparison of the pressure fluctuations at the blade passing frequency for Q=QN. Tongue at φ=0 deg.
Grahic Jump Location
Comparison of the pressure fluctuations at the blade passing frequency for Q=1.3 QN. Tongue at φ=0 deg.
Grahic Jump Location
Comparison of the pressure fluctuations at the blade passing frequency for Q=1.5QN. Tongue at φ=0 deg.
Grahic Jump Location
Numerical calculation of the total force on the impeller for a blade passing period and Q=1.3 QN.
Grahic Jump Location
Polar representation of the fluctuating force (numerical result), Q=1.3 QN. Force at the blade passing frequency.

Tables

Errata

Discussions

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In