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3D-Computation of Incompressible Internal Flows

Proceedings of the GAMM Workshop held at EPFL, 13–15 September 1989, Lausanne, Switzerland

  • Conference proceedings
  • © 1993

Overview

Editors:
  1. Gabriel Sottas

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

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  2. Inge L. Ryhming

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

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

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Table of contents (18 papers)

  1. Front Matter

    Pages I-VIII
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  2. Test Cases Specifications

    1. Front Matter

      Pages 1-1
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    2. Test Cases Specifications

      • Gabriel Sottas, Inge L. Ryhming
      Pages 3-30

  3. Experimental Results

    1. Front Matter

      Pages 31-31
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    2. Experimental Flow Study of the GAMM Turbine Model

      • François Avellan, Philippe Dupont, Mohamed Farhat, Bernard Gindroz, Pierre Henry, Mahmood Hussain et al.
      Pages 33-53

    3. Normalization of Flow Profile Data Measured at Runner Inlet

      • T. Kubota
      Pages 55-62

  4. Numerical Flow Simulations

    1. Front Matter

      Pages 63-63
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    2. A 3D Euler Solution of Francis Runner Using Pseudo-Compressibility

      • C. Arakawa, M. Samejima, T. Kubota, R. Suzuki
      Pages 65-69

    3. Numerical Inviscid Flow Analysis of the GAMM Francis Runner

      • J. T. Billdal, Ø. Jacobsen, K. Bratsberg, H. I. Andersson, H. Brekke
      Pages 71-76

    4. Euler Simulations of Flow in a Francis Distributor and Runner

      • A. Bottaro, A. Drotz, P. Gamba, G. Sottas, C. Neury
      Pages 77-84

    5. Numerical Solution of the Incompressible Euler Equations in a Water Turbine Using a Multi-Block Approach

      • Peter Eliasson
      Pages 85-92

    6. A Stacking Technique for Multistage 3D Flow Computation in Hydraulic Turbomachinery

      • E. Goede
      Pages 93-100

    7. 3D Euler Computation of the Flow Inside the GAMM Francis Runner

      • I. Grimbert, A. Verry, E. M. El Ghazzani
      Pages 101-107

    8. 3D N-S FEM Flow Analysis in Draft Tube

      • T. Kubota, K. Toshigami, R. Suzuki
      Pages 109-112

    9. Computation of 3D Flow Field in a Draft Tube

      • B. Lazzaro, P. Riva
      Pages 113-118

    10. 3-D-Euler Flow Analysis of Runner and Draft Tube of the GAMM Turbine

      • C. Liess, A. Ecer
      Pages 119-126

    11. A Potential Prediction of Three-Dimensional Incompressible Flows Through Turbomachinery Blade Rows

      • N. Lymberopoulos, K. Giannakoglou, P. Chaviaropoulos, K. D. Papailiou
      Pages 127-133

    12. 3-D Flow Analysis in the Runner and the Distributor of Francis Turbines

      • T. Nagafuji, T. Suzuki, T. Kobayashi, N. Taniguchi
      Pages 135-142

    13. Calculation of the Draft Tube Geometry Using the Finite-Element-Code FENFLOSS

      • A. Ruprecht
      Pages 143-148

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

      • T. Takagi, S. Tanabe, M. Ikegawa, H. Mukai, J. Sato
      Pages 149-154
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Keywords

About this book

The aim of the 1989 GAMM Workshop on 3D-Computation of Incompressible Internal Flows was the simulation of a realistic incompressible flow field in an important industrial application. In view of the difficulties involved in formulating such a test case, requiring the availability of an experimental data base, extreme care had to be taken in the selection of the proper one. Professor I. L. Ryhming's proposal, that the flow through a Francis turbine configuration or parts thereof would be feasible as a test case, because of the numerical challenges as well as the possibility to produce an experimental data base by using the experimental facilities of the Hydraulic Machines and Fluid Mechanics Institute (IMHEF) at the Swiss Federal Institute of Technology in Lausanne (EPFL), was accepted by the GAMM Committee in April 1987. A scientific committee, formed under the chairmanship of Professor I. L. Ryhming, met a few times to decide on the Francis turbine configuration, the test case specifications, etc. , whereby the design input came from the water turbine experts. This committee decided to restrict the studies to the three following typical applications for the best operating point of the turbine: • simulation of the 3D flow in a Francis runner in rotation • simulation of the 3D flow in the distributor (stay and guide vane rings) of this turbine • simulation of the 3D flow in an elbow draft tube The simultaneous computation of two or three of these geometries was encouraged.

Editors and Affiliations

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

    Gabriel Sottas, Inge L. Ryhming

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