Tue, 8. October 2019
Welcome Reception
Wed, 9. October 2019
9:00 - 10:25 Cavitation |
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Welcome | Stefan Riedelbauch |
Modelling a torus cloud employing the van Wijngaarden Ansatz and the Gilmore equation | Paul Taubert |
Experimental investigation of the passive control of unsteady cloud cavitation using miniature vortex generators (MVGs) | Ebrahim Kadivar |
Vibration and acoustic emission monitoring of a centrifugal pump under cavitating operating conditions | Georgios Mousmoulis |
Cavitation damage detection through acoustic emissions | Andreas Look |
10:25 - 10:50 Coffee break |
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10:50 - 12:35 Vibration and Fatigue |
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On variations in turbine runner dynamic behaviours observed within a given facility | Martin Gagnon |
Hydro-structural stability investigation of a 100 MW Francis turbine based on experimental tests and numerical simulations | Jean Decaix |
Two-way strongly coupled fluid-structure interaction simulations with OpenFOAM | Benjamin Doulcet |
Operation cycle concept for the fatigue life prediction of Francis runners | Florian von Locquenghien |
Predicting the stress and deformation of pump-turbine’s guide vane at small opening | Ran Tao |
Experimental and computational investigation of fluid structure interaction of flexible tube’s dynamic properties | Jan Kůrečka |
12:35 - 13:45 Lunch |
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13:45 - 15:10 Vibration and Fatigue |
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Practical implications of hydraulic phenomena in Francis turbines | Joe Pott |
Troubleshooting of von Karman induced penstock protection valve resonance at FMHL+ | Christophe Nicolet |
Axial check valve behaviour during flow reversal | Daniel Himr |
Digital clone for penstock fatigue monitoring | Matthieu Dreyer |
Dynamic response analysis of powerhouse under turbine pressure pulsation with different distributions and application methods | Zhenyue Ma |
15:10 - 15:30 Coffee break |
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15:30 - 16:55 Vibration and Fatigue |
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Dissolved-gas influence on the Francis part-load oscillation | Peter K Dörfler |
Dynamic radial forces and pressure fluctuations measurement at off-design conditions on a model scale pump-turbine | Vojtech Novotny |
Investigation on the hydrodynamic damping using prescribed blade motion techniques | Pavel Čupr |
The inverse vibration problem for fixed beam submerged in fluid | Michal Havlásek |
Analysis of flexural vibrations of composite hydraulic microhose under the conditions of external excitation | Mirosław Bocian |
Event location + Dinner |
Thu, 10. October 2019
9:00 - 10:25 Plant Dynamics |
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Recent developments in unsteady pipe flow experimentation at the University of Montenegro | Radislav Brđanin |
Using DGCM to predict transient flow in plastic pipe | Kamil Urbanowicz |
Dynamic closing modelling of the penstock protection valve for pipe burst simulations | Sébastien Alligné |
Numerical study of the Winter-Kennedy method for relative transient flow rate measurement | Binaya Baidar |
Wall shear stress in pulsating pipe flow at resonance and non-resonance conditions | Jurij Gregorc |
10:25 - 10:50 Coffee break |
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10:50 - 12:35 Computational Fluid Dynamics |
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PIV measurements on a Kaplan turbine and comparison with scale-adaptive numerical analysis | Johannes Beck |
Study of hydrofoil boundary layer transition using different turbulence models | Changliang Ye |
Simulation of a shut-down transient in the Francis-99 turbine model | L Uppström |
Simulation of stochastic loads on a medium head Francis runner | Jean-François Morissette |
Analysis of a propeller turbine operated in a full load operating point | Bernd Junginger |
Numerical study on pressure fluctuation in a multiphase rotodynamic pump with different inlet gas void fractions |
Wenwu Zhang |
12:35 - 13:45 Lunch |
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13:45 - 14:55 Cavitation |
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Numerical simulation of the tip leakage vortex cavitating flow | Rui Zhang |
Experimental verification of the effect of gap geometry on the tip-leakage flow pattern and tip-clearance cavitation | Konstantin S. Pervunin |
Cavitation erosion prediction based on a multi-scale method | Lydia Plastre |
Experimental and numerical analysis of cavitation and pressure fluctuations in large high head propeller turbine | Matic Ocepek |
14:55 - 15:25 Coffee break |
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15:25 - 17:20 Vortex flow, kinetic turbine |
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Experimental investigation of vortex ring formation as a consequence of spiral vortex re-connection | David Štefan |
POD analysis of a vortex rope with transient boundary conditions | Ondřej Urban |
Visualization of the elliptical form of a cavitation vortex rope and its collapse by two cameras | Arthur Favrel |
Numerical investigation of solutions to suppress the inlet vortex of an existing booster pump | Jean Decaix |
Cost-effective CFD simulation to predict the performance of a hydrokinetic turbine farm | Olivier Pacot |
Development of an adapted turbine model for hydrokinetic turbines in 2d shallow water solvers | Christa Stadler |
Closing Remarks | Stefan Riedelbauch |
Dinner |
Fri, 11. October 2019
Excursion