SIMULATIONS DE TURBINES HYDRAULIQUES - hevs.ch · 2017. 6. 9. · U-RANS models for the simulation of full load pressure surge in Francis turbines validated by PIV. J. Decaix, A.

HES-SO Valais-Wallis Page 1

SIMULATIONS DE TURBINES

HYDRAULIQUES

Dr. Jean Decaix

Pr. Cécile Münch-Alligné


Dr. J. Decaix

Pr. C. Münch

Groupe Hydroélectricité

ISI, HEI, HES-SO Valais//Wallis

Forum CADFEM & ANSYS 2017

Lausanne EPFL 06/09/2017

Groupe Hydroélectricité : l’équipe

Professeurs

V. Hasmatuchi Hydraulique & Mécanique

C. Münch Hydraulique

S. Chevailler Entrain. Electr.

D. Pavanello Réseau

L. Rapillard Mécanique

Adjoint scientifique Assistants de recherche

J. Decaix Hydraulique S. Richard

Hydraulique & Electrique

D. Biner Hydraulique & Mécaniquee

S. Martignony Hydraulique & Entrain. Electr.

A. Gaspoz Hydraulique & Mécanique

S. Luisier Hydraulique & Mécanique & Entrain. Electr.

A. Mottiez Hydraulique & Entrain. Electr.


Dr. J. Decaix

Pr. C. Münch





Groupe Hydroélectricité : les activités


Dr. J. Decaix

Pr. C. Münch





Projet Duo Turbo

Développer une famille de machine à récupération d’énergie hydraulique compétitive et à faible coût.

Projet CTI N°17181 1 PFEN IW


Dr. J. Decaix

Pr. C. Münch





Conception Hydraulique : optimisation Couplage Matlab® - Ansys®

1.3 106 noeuds


Dr. J. Decaix

Pr. C. Münch





Conception Hydraulique : design final


Dr. J. Decaix

Pr. C. Münch





Le Futur


Dr. J. Decaix

Pr. C. Münch





Projet de turbine iso-cinétique

http://www.google.ch/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=0ahUKEwiilI7y_MjNAhXKPRQKHW9iApwQjRwIBw&url=http://www.technopole.ch/entreprise-valais/swiss-309.html&psig=AFQjCNEleF7ZWtEPyd8zlI0CNsbLGWh3xg&ust=1467143311765536


Dr. J. Decaix

Pr. C. Münch





Etude du canal


Dr. J. Decaix

Pr. C. Münch





Maillage Turbine et Canal

Channel & Turbine :

Structured mesh of 10 Millions nodes

Platform :

Unstructured mesh of 3 Millions of nodes


Dr. J. Decaix

Pr. C. Münch





Steady pressurized flow Unsteady free surface flow

Etude de la turbine


Dr. J. Decaix

Pr. C. Münch





Performances de la turbine


Dr. J. Decaix

Pr. C. Münch





Torche cavitante à forte charge

To better understand the Francis turbine draft tube flow at full load Q > QBEP

HYPERBOLE

LMH Laboratory for Hydraulic Machines


Dr. J. Decaix

Pr. C. Münch





Identification de paramètres

CFD-3D

SIMSEN-1D

CFD-3D


Dr. J. Decaix

Pr. C. Münch





Approche 3D

Guide Vanes/Runner interface

Inlet condition of the

reduced domain


Dr. J. Decaix

Pr. C. Münch





Validation


Dr. J. Decaix

Pr. C. Münch





f = 20 Hz f = 30 Hz

Dynamique de la torche

Iso-surface du volume de vapeur


Dr. J. Decaix

Pr. C. Münch





Amplitude is decreased

near the cavitation

volume

Amplitude is increased

near the cavitation

volume

fs=30Hz

Out of resonance conditions

fs=20Hz

Resonance conditions !

Dynamique de la torche


Dr. J. Decaix

Pr. C. Münch





Conclusion

Exploration et validation du design de nouvelles

turbines hydrauliques

Exploration de phénomènes physiques

complexes dans les turbines hydrauliques

ANSYS


Dr. J. Decaix

Pr. C. Münch





Pour aller plus loin

Engineering & Performance of DuoTurbo: Microturbine with Counter-Rotating Runners, D. Biner, V. Hasmatuchi, D.

Violante, S. Richard, S. Chevailler, L. Andolfatto, F. Avellan and C. Münch, IOP Conference Series: Earth and

Environmental Science, Volume 49, Sustainable Hydropower, 2016.

New prototype of a kinetic turbine for artificial channels, C. Münch-Alligné, A. Gaspoz, S. Richard, V. Hasmatuchi, N.

Brunner, Simhydro, Nice, 14-16 June 2017.

U-RANS models for the simulation of full load pressure surge in Francis turbines validated by PIV. J. Decaix, A.

Müller, A. Favrel, F. Avellan, C. Münch-Alligné, ASME/Journal of Fluids Engineering, 2017.

RANS computations for identification of 1-D cavitation model parameters: application to full load cavitation vortex

rope, S. Alligné, J. Decaix, A. Müller, C. Nicolet, F. Avellan, C. Münch, 2017, Journal of Physics: Conference Series,

813, 12032.

SIMULATIONS DE TURBINES HYDRAULIQUES - hevs.ch · 2017. 6. 9. · U-RANS models for the simulation of full load pressure surge in Francis turbines validated by PIV. J. Decaix, A.

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