Estimation of numerical accuracy for the flow field in a draft tube

International Journal of Numerical Methods for Heat and Fluid Flow

Volumn 9, Issue 4, 1999, Pages 472-486

  Bergström, John ^a   Gebart, Rikard ^a  

^a LULEÅ UNIVERSITY OF TECHNOLOGY   (Sweden)

Author keywords

[No Author keywords available]

Indexed keywords

CURVE FITTING; ERROR ANALYSIS; EXTRAPOLATION; ITERATIVE METHODS; LEAST SQUARES APPROXIMATIONS; TUBES (COMPONENTS);

DRAFT TUBES; RICHARDSON EXTRAPOLATION;

TURBINES;

EID: 0032675302     PISSN: 09615539     EISSN: None     Source Type: Journal    
DOI: 10.1108/09615539910266620     Document Type: Article

References (18)

1. AEA Technology (1995), CFX 4.1 Flow Solver Guide User Guide, Computational Fluid Dynamics Services, Building 8.19, Harwell Laboratory, Oxfordshire OX11 0RA, United Kingdom.
2. Agouzoul, M., Reggio, M. and Camarero, R. (1990), "Calculation of turbulent flows in a hydraulic turbine draft tube", Journal of Fluids Engineering, Vol. 112, pp. 257-63.
3. Celik, I. and Karatekin, O. (1997), "Numerical experiments on application of Richardson extrapolation with nonuniform grids", Journal of Fluids Engineering, Vol. 119, pp. 584-90.
4. Celik, I. and Zhang, W.M. (1995), "Calculation of numerical uncertainty using Richardson extrapolation: application to some simple turbulent flow calculations", Journal of Fluids Engineering, Vol. 117, pp. 439-45.
5. Celik, I., Chen, C.J., Roache, P.J. and Scheuerer, G. (Eds) (1993), Quantification of Uncertainty in Computational Fluid Dynamics, FED-Vol. 158, The Fluids Engineering Conference, Washington, DC, 20-24 June.
6. Chen, H.C. and Patel, V.C. (1988), "Near-wall turbulence models for complex flows including separation", AIAA Journal, Vol. 26 No. 6, pp. 641-8.
7. Dahlbäck, N., Personal communication, Vattenfall Utveckling AB, Alvkarleby, Sweden.
8. Demuren, A.O. and Wilson, R.V., (1994), "Estimating uncertainty in computations of two dimensional separated flows", Journal of Fluids Engineering, Vol. 116, pp. 216-20.
9. Ferziger, J.H. (1993), "Estimation and reduction of numerical error", Quantification of Uncertainty in Computational Fluid Dynamics, FED-Vol. 158, The Fluids Engineering Conference, Washington, DC, 20-24 June, pp. 1-7.
10. Ferziger, J.H. and Peric, M. (1996), Computational Methods for Fluid Dynamics, Springer-Verlag, Berlin, Heidelberg.
11. Gaskell, P.H. and Lau, A.K.C. (1987), "An assessment of direct stress modelling for elliptic turbulent flows with the aid of a non-diffusive, boundedness preserving, discretization scheme", Proc. Conf. on Numerical Methods in Laminar and Turbulent Flow, Montreal.
12. Hanjalic, K. (1994), "Advanced turbulence closure models: a view of current status and future prospects", Int. J. Heat and Fluid Flow, Vol. 15 No. 3, pp. 178-203.
13. Raabe, J. (1984), Hydro Power, The Design, Use, and Function of Hydromechanical, Hydraulic, and Electrical Equipment, VDI-Verlag, Germany, p. 406.
14. Roache, P.J. (1994), "Perspective: a method for uniform reporting of grid refinement studies", Journal of Fluids Engineering, Vol. 116, pp. 405-13.
15. Sottas, G. and Ryhming, I.L. (1993), 3D-Computation of Incompressible Internal Flows, Notes on Numerical Fluid Mechanics, Vol. 39, Friedr. Vieweg & Sohn Verlagsgesellschaft mBH, Braunschweig/Weisbaden, Germany.
16. Van Doormaal, J.P. and Raithby, G.D. (1984), "Enhancement of the SIMPLE method for predicting incompressible fluid flows", Numerical Heat Transfer, Vol. 7, pp. 147-63.
17. Wilcox, D.C. (1993), Turbulence Modeling for CFD, DCW Industries, Inc., La Cañada, CA.
18. Zingg, D.W. (1992), "Grid studies for thin-layer Navier-Stokes computations of airfoil flow fields", AIAA Journal, Vol. 30 No. 10, pp. 2561-4.