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Three-Dimensional Turbulent Flow Analysis for a Hydraulic Turbine Draft Tube by the Finite Element Method

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3D-Computation of Incompressible Internal Flows

Part of the book series: Notes on Numerical Fluid Mechanics (NNFM) ((NNFM,volume 39))

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Summary

This paper analyzes the three dimensional turbulent viscous flow through a given hydraulic turbine draft tube by solving the Reynolds averaged Navier-Stokes equations with a two-equation turbulence model using the finite element technique.

The flow behaviour predicted in the draft tube with a given swirl at the inlet shows that flow separation appears near the top of the draft tube after the bend.

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References

  1. Ikegawa, M. et. al: “Three-dimensional turbulent flow analysis in a cleanroom by the finite element method”, ASME Winter Annual Meeting, FED-Vol. 66, 1988, pp. 161–167.

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  2. Launder, B.E. and Spalding, D.B.: “The numerical computation of turbulent flows”, Computer methods in applied mechanics and engineering, 3 (1974), pp. 269–289.

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  3. Viecelli, J. A.: “A computing method for incompressible flows bounded by walls”, J. of Computational physics, 8 (1971), pp. 119–143.

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  4. Vu, T.C. et. al: “Recent development in viscous flow analysis for hydraulic turbine components”, IAHR Symposium 1986, vol.2, Montreal, Canada, 1986, pp. 915–926.

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Author information

Authors and Affiliations

  1. Mechanical Engineering Research Laboratory, Hitachi Ltd., 502, Kandatu-machi, Tsuchiura-shi, Ibaraki, 300, Japan

    T. Takagi, S. Tanabe, M. Ikegawa & H. Mukai

  2. Hitachi Works, Hitachi Ltd., 3-1-1, Saiwai-chou, Hitachi-shi, Ibaraki, 317, Japan

    J. Sato

Authors
  1. T. Takagi
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  2. S. Tanabe
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  3. M. Ikegawa
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  4. H. Mukai
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  5. J. Sato
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Editor information

Editors and Affiliations

  1. Hydraulic Machines and Fluid Mechanics Institute (IMHEF), Swiss Federal Institute of Technology (EPFL) ME - Ecublens, CH - 1015, Lausanne, Switzerland

    Gabriel Sottas  & Inge L. Ryhming  & 

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© 1993 Friedr. Vieweg & Sohn Verlagsgesellschaft mbH, Braunschweig/Wiesbaden

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Takagi, T., Tanabe, S., Ikegawa, M., Mukai, H., Sato, J. (1993). Three-Dimensional Turbulent Flow Analysis for a Hydraulic Turbine Draft Tube by the Finite Element Method. In: Sottas, G., Ryhming, I.L. (eds) 3D-Computation of Incompressible Internal Flows. Notes on Numerical Fluid Mechanics (NNFM), vol 39. Vieweg+Teubner Verlag. https://doi.org/10.1007/978-3-322-89452-6_16

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  • DOI: https://doi.org/10.1007/978-3-322-89452-6_16

  • Publisher Name: Vieweg+Teubner Verlag

  • Print ISBN: 978-3-528-07639-9

  • Online ISBN: 978-3-322-89452-6

  • eBook Packages: Springer Book Archive

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