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TECHNICAL PAPERS

Factorial Design Applied to CFD

[+] Author and Article Information
Michel J. Cervantes, T. Fredrik Engström

Division of Fluid Mechanics, Luleå University of Technology, SE-97187 Luleå, Sweden

J. Fluids Eng 126(5), 791-798 (Dec 07, 2004) (8 pages) doi:10.1115/1.1792277 History: Received August 21, 2002; Revised May 12, 2004; Online December 07, 2004
Copyright © 2004 by ASME
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References

Hirsh,  C., 2001, “The QNET-CFD Project,” QNET-CFD Network Newsletter,1, January, pp. 4–5.
Hutton, A. G., and Casey, M. V., 2001, “Quality and Trust in Industrial CFD—A European Initiative,” 39th Aerospace Sciences Meeting and Exhibit, Reno, NV, Jan. 8–11.
Casey, M., and Wintergerste, T., eds., 2000, Best Practice Guidelines, ERCOFTAC Special Interest Group on Quality and Trust in industrial CFD.
Bergström,  J., and Gebart,  B. R., 1999, “Estimation of the Numerical Accuarcy for the Flow Field in a Draft Tube,” Int. J. Numer. Methods Heat Fluid Flow, 9, pp. 472–486.
Iaccarino, G., 2000, “Prediction of the Turbulent Flow in a Diffuser With Commercial CFD Codes,” Center for Turbulence Research, Annual Research Briefs, pp. 271–278.
Box, E. P., Hunter, W. G., and Hunter, J. S., 1978, Statistics for Experimenters, Wiley, New York.
Gebart, B. R., Gustavsson, L. H., and Karlsson, R. I., 1999, Proceedings of Turbine-99 Workshop on Draft Tube Flow, Porjus, Sweden, June 20–23.
Karlsson, R. I., and Gustavsson, L. H., 2001, The Second ERCOFTAC Workshop on Draft Tube Flow, Älvekarleby, Sweden, June 18–20, published at http://www.luth.se/depts/mt/strl/turbine99/.
Dahlbäck, N., 1996, “Redesign of Sharp Heel Draft Tube—Results From Tests in Model and Prototype,” Proc. of the XVIIIth IAHR Symp. on Hydraulic Machinery and Cavitation, Vol. 2, pp. 985–993.
Roberson, J. A., and Crowe, C. T., 1997, Engineering Fluid Mechanics, Wiley, New York, p. 368.
White, F. M., 1991, Viscous Fluid Flow, McGraw-Hill, New York, pp. 426–428.
AEA Technology, “CFX4.4 Solver,” Fluid Dynamics Services, Building 8.19, Harwell Laboratory, Oxfordshire, United Kingdom.
Apsley,  D. D., and Leschziner,  M. A., 1999, “Advanced Turbulence Modelling of Separated Flow in a Difffuser,” Flow, Turbul. Combust., 63, pp. 81–112.

Figures

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CAD drawing of the Höllefors draft tube, dimensions in millimeters
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Pressure recovery obtained at the first Turbine-99 Workshop. The line represents the experimental value 1.12.
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Inlet and XZ midplane of the draft tube with the coarse grid
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Inlet and XZ midplane of the draft tube with the fine grid
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Normalized engineering quantity function of the ratio of the mass source residual of the second iteration and the last iteration for run 2
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Ratio of the mass source residual of the second iteration and the last iteration for the different runs
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Normal probability plot for the effects on ζ. Significant effects deviate from the normal distribution represented by the straight line.
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Horizontal velocity profiles at the center of cross section II for runs 1 and 9
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Streamwise velocity (contours) and secondary motion (vectors) in cross section III. View is upstream: (a) run 1, (b) run 3 (c) run 2, (d) run 4.

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