| Issue |
Renew. Energy Environ. Sustain.
Volume 1, 2016
|
|
|---|---|---|
| Article Number | 20 | |
| Number of page(s) | 5 | |
| DOI | https://doi.org/10.1051/rees/2016032 | |
| Published online | 13 June 2016 | |
Research Article
State of the art in numerical simulation of high head Francis turbines
1 Norwegian University of Science and Technology, Trondheim, Norway
2 Luleå University of Technology, Luleå, Sweden
⁎ e-mail: chirag.trivedi@ntnu.no
The Francis-99 test case consists in a high head Francis turbine model, which geometry together with meshes and detailed experimental measurements is freely available at www.francis-99.org. Three workshops were initially planned to exchange experience on numerical investigations of the test case concerning steady state operating conditions, transient operating conditions and fluid structure analysis. The first workshop was held in Trondheim, Norway in December 2014. Some results of the 14 contributions are presented. They are concerned with the influence of the near wall space discretization and turbulence modelling in order to capture hydraulic efficiency, torque, pressure and velocity with a good uncertainty at three operating conditions.
© C. Trivedi and M. J. Cervantes, published by EDP Sciences, 2016
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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