Publication Overview

HydroNet – Modern Methodologies for the Design, Manufacturing and Operation of Pumped Storage Power Plants

• Berten S., Dupont Ph., Farhat M., Avellan F., «Experimental investigation of pressure fluctuations and mechanical vibrations in a high-energy centrifugal pump stage». SHF’2011 conference on Cavitation & Hydraulic Machines, May 26–27 2011, Lausanne, Switzerland, 2011.
• Bonalumi M., Anselmetti F.S., Kägi R., Wüest A., «Particle dynamics in high-Alpine proglacial reservoirs modified by pump-storage operation». Water Resources Research, 2011.
• Bonalumi M., Anselmetti F.S., Wüest A., Kaegi R., «Effects of hydropower machines on turbidity and particle size of passing waters». To be submitted to Water Research, 2011.
• Hasmatuchi V., Farhat M., Avellan F., «Hydrodynamic instabilities in pump turbines at off-design operation». SHF’2011 conference on Cavitation & Hydraulic Machines, May 26–27 2011, Lausanne, Switzerland, 2011.
• Hachem F., Schleiss A., «Monitoring of steel-lined pressure shafts and tunnels». The International Journal on Hydropower & Dams, submitted for publication in the Special Edition for ICOLD 2011, Luzerne, 2011.
• Hachem F., Schleiss A., «Monitoring of steel-lined shafts using water-hammer records and wavelet filtering and decomposition». Proceedings of the 34th IAHR Biennial Congress, Balance and Uncertainty: Water in a Changing World, Brisbane, Australia, 2011.
• Hachem F., Schleiss A., «Physical tests for estimating the waterhammer wave speed in pipes and tunnels with local weak stiffness». Proceedings of the 2011 World Environmental & Water Resources Congress, ASCE, Palm Springs, California, 2011.
• Hachem F., Schleiss A., «The influence of local drop of wall stiffness of pressurized waterways on water-hammer wave speed and wave dissipation». Journal of Hydraulic Research, submitted, 2011.
• Hachem F., Schleiss A., «Detection of local wall stiffness drops in steel-lined pressure tunnels and shafts of hydroelectric power plants using steep pressure wave excitation and wavelet decomposition». Journal of Hydraulic Engineering, accepted for publication, 2011.
• Hachem F., Schleiss A., «A review of wave celerity in frictionless and axisymmetrical steel-lined pressure tunnels». Journal of Fluids and Structures, 27, 2011.
• Müller M., De Cesare G., Schleiss A.J., «Experiments on turbulence and settling down of fine sediments induced by pumped storage operations in a cuboidal reservoir». Proceedings of the 34th IAHR World Congress, 26 June –1 July 2011, Brisbane, Australia (accepted), 2011.
• Widmer C., Staubli T., Ledergerber N., «Unstable Characteristics and Rotating Stall in Turbine Brake Operation of Pump-Turbines». AMSE, Journal of Fluids Engineering, 2011.
• Berten S., «Hydrodynamics of High Specific Power Pumps for Off-Design Operating Conditions». EPFL Thesis N° 4642, 2010.
• Ruchonnet N., «Multiscale Computational Methodology Applied to Hydroacoustic Resonance in Cavitating Pipe Flow». EPFL Thesis N° 4778, 2010.
• Pannatier Y., «Optimisation des stratégies de réglage d’une installation de pompage-turbinage à vitesse variable». EPFL Thesis, N° 4789, 2010.
• Hasmatuchi V., Roth S., Botero F., Avellan F., Farhat M., «High-speed flow visualization in a pump-turbine under off-design operating conditions». In: IOP Conference Series: Earth and Environmental Science, volume 12, 2010.
• Hasmatuchi V., Farhat M., Avellan F., «Hydrodynamics of a Pump-Turbine under Off-Design Operating Conditions in Generating Mode». In: Proceedings of 1st EPFL Doctoral Conference in Mechanics, pages 111–114, Lausanne, 2010.
• Hasmatuchi V., Farhat M., Roth S., Botero F., Avellan F., «Experimental Evidence of Rotating Stall in a Pump-Turbine at Off-Design Conditions in Generating Mode». Submitted to Journal of Fluids Engineering, 2010.
• Zobeiri A., Avellan F., Farhat M., «Vortex Shedding from a Hydrofoil with Two Different Trailing Edge Geometries». In: Proceedings of 1st EPFL Doctoral Conference in Mechanics, pages 111–114, Lausanne, 2010.
• Zobeiri A., Ausoni Ph., Avellan F., Farhat M., «Experimental investigation of the vortex shedding dynamic in the wake of oblique and blunt trailing edge hydrofoils using PIV-POD method». Proceeding of 7th ASME International Symposium on Fluid-Structure Interactions, Montreal, Canada, August 2010.
• Zobeiri A., Avellan F., Farhat M., «Physics behind vortex-induced vibration reduction using an oblique trailing edge hydrofoil». 63rd Annual Meeting of the APS Division of Fluid Dynamics, Vol. 55, N° 16, USA, 2010.
• Zobeiri A., Ausoni Ph., Avellan F., Farhat M., «How oblique trailing edge of a hydrofoil reduces the vortex-induced vibration». Submitted to Journal of Fluids and Structures, 2010.
• Ruchonnet N., «Multiscale Computational Methodology Applied to Hydroacoustic Resonance in Cavitating Pipe Flow». EPFL Thesis N° 4778, 2010.
• Pannatier Y., Kawkabani B., Nicolet Ch., Simond J.-J., Schwery A., Allenbach Ph., «Investigation of Control Strategies for Variable-Speed Pump-Turbine Units by Using a Simplified Model of the Converters». IEEE Transactions on Industrial Electronics, Vol. 57 N°9, 2010.
• Pannatier Y., Kawkabani B., Sari G., Simond J.-J., «Stability Studies of a Mixed Islanded Power Network with Varspeed Units using Simplified Models of the Converters». IEEE Transactions on Industrial Electronics, Vol 57, N° 9, September 2010.
• Müller M., Bremen L., Schleiss A.J., «Modellversuche zum Einfluss von Pumpspeichersequenzen auf Strömungsverhältnisse in einem quaderförmigen Becken». In: Weber, Fenrich, Gebler, Kramer & Noack (Eds) 12. Treffen junger Wissenschafterinnen und Wissenschafter an Wasserbauinstituten, Stuttgart, Germany, August 11–14, 2010, Universität Stuttgart, Heft 193, pp. 72–78, 2010.
• Müller M., De Cesare G., Schleiss A.J., «Influence of pumped storage operation on flow conditions near intake/outlet structures: in situ measurements using ADCP». In: Dittrich, Koll, Aeberle & Geisenhainer (Eds) River Flow 2010, Braunschweig, Germany, September 8–10, 2010, pp. 1139–1145, 2010.
• Bonalumi M., Anselmetti F.S., Kägi R., Wüest A., «Particle dynamics in high-Alpine proglacial reservoirs modified by pump-storage operation». Submitted to Water Resources Research in 2010.
• Müller M., Schleiss A.J., «Monitoring und Vorhersage der Sedimentation in Pumpspeicherwerken». In: Schleiss (Ed), 11. Treffen junger Wissenschafterinnen und Wissenschafter an Wasserbauinstituten, Lausanne, Switzerland, paper N° 40, EPFL, pp. 153–158, August 26–29, 2009.
• Pannatier Y., Kawkabani B., Nicolet C., Simond J.-J, Schwery A., Allenbach P., «Investigation of control strategies for variable speed pump-turbine units by using a simplified model of the converters». IEEE Transactions on Industrial Electronics, 2009.
• Zobeiri A., «Investigations of time dependent flow phenomena in a turbine and a pump turbine of Francis type». PhD thesis EPFL N° 4272, 2009.
• Ausoni Ph., «Turbulent vortex shedding from a blunt trailing edge hydrofoil». EPFL Thesis N° 4475, 2009.
• Hachem F. E., Schleiss A. J., «The design of steel-lined pressure tunnels and shafts». Journal of Hydropower & Dams, Vol. 16, N° 3, pp 142–151, 2009.
• Schmid M., McGinnis D.F., Vogel U., Wüest A., «Simulation of the effects of projected pumped-storage operations on temperature and turbidity in the two affected lakes». Proc. Physical Processes in Natural Waters, Italy, Sep. 2009.
• Keller S., Th Xuan M., Simond J.-J., Schwery A., «Large low-speed hydro-generators-unbalanced magnetic pulls and additional damper losses in eccentricity conditions». IET Electr. Power Appl., 1, (5), pp. 657–664, 2007.