Projects

Main Focus

1 Hydropower
2 Sediment management and morphology
3 Etho-hydraulics
4 Flood management
5 Various

CONDUCTED MAJOR PROJECTS

2015
4
Flood Management at the Inn River (hybrid physical and numerical modeling) Investigation of flood management options considering sediment transport. Identification of locations for polders, acceleration/deceleration options of flood waves, flood security and weir regulation considering sedimentation. Contractor: Bavarian State Ministry of the Environment and Consumer Protection, Germany
2015 1 Ljusne Strömmar HPP [36,4 MW/ 16 m] (physical model study scale 1:25) Investigation and improvement of energy dissipation and spillway discharge capacity. Contractor: Fortum Generation AB, Sweden
2014 - 2015 1 Hällby Bottom Outlet [84 MW/ 29 m] (physical model study scale 1:40) Investigation of bottom outlet discharge capacity and improvement of tailwater channel Contractor: E.ON Vattenkraft Sverige AB, Sweden
2015 2 Sediment trap in the reservoir of Krüner Weir [0,2 MW/ 5 m] (physical model study scale 1:17,5) Investigation of sediment traps Contractor: Wasserwirtschaftsamt Weilheim, Germany
2014 - 2015 2 Flood water levels in the reservoir of Krüner Weir (physical model study scale 1:17,5) Investigation of water levels and sediment transport during flushing Contractor: E.ON Kraftwerke GmbH, Germany
2014 4 EXAR Expert Panel Evaluating the risk of extreme flood events in the Rhine and Aare river catchments in Switzerland due to very rare events. Discussing appropriate methodologies with a dozen of experts from all research areas. Working out proposals for the project team. Contractor: BAFU the Swiss Federal Office for the Environment, Switzerland
2014 2 Floating debris and sediment/suspension worst case scenarios for Swiss nuclear power plants 2 (expertise) Checking the improved risk evaluation and numerical modeling methodology by the power plant owners concerning the impacts of floating debris, bed load and suspended matter transport and induced morphologic changes to the river bed on the plant safety. Reporting to the controlling administration. Contractor: ENSI the Swiss Federal Nuclear Safety Inspectorate, Switzerland
2013 - 2014 1 Kiblinger dam [0,7 MW/ 11 m] (physical model study, scale 1:30) Investigation of energy dissipation, scouring and spillway discharge capacity. Contractor: DB Energie GmbH, Germany
2014 1 Inn weirs Neuötting and Stamham with ship lock [26 MW/ 26 m] (physical model study scale 1:33 1/3) Investigation on the effect of weir geometry change and reservoir sedimentation on discharge capacity of the weir. Contractor: Verbund Innkraftwerke GmbH, Germany/Austria
2013 - 2014 3 Fish monitoring at a prototype shaft power plant (prototype test rig with 35kW Kaplan turbine) Investigation of downstream migration behavior and turbine damage to fish (size: 50mm to 200m) of differing species. Contractor: Bavarian Environment Agency (LfU), Germany
2013 - 2014 1 Hydropower station Au at the Iller river [0,9 MW/ 2,3 m] (physical model study scale 1:20) Physical model study to investigate and optimize the design of a VLH (very low head) power plant. Contractor: Bayerische Landeskraftwerke GmbH, Germany
2013 4 Optimization of a torrent weir at the Große Laine river (physical model study scale 1:12,5) Physical model investigation and design optimization for a weir structure to protect a nearby village by spilling off floods through a bypass system. Contractor: Regional Water Authority Weilheim, Germany
2013 - 2014 1 Spillway Skallböle Dam [46 MW/ 21 m] (physical model study scale 1:40) Physical model study to investigate extension of the spillway structures due to adapted design flood discharges. Capacity measurements and design optimizations. Contractor: Statkraft Sverige AB, Sweden
2013 2 Floating debris and sediment/suspension worst case scenarios for Swiss nuclear power plants 1 (expertise) Checking the risk evaluation by the power plant owners concerning the impacts of floating debris, bed load and suspended matter transport and induced morphologic changes to the river bed on the plant safety. Reporting to the controlling administration. Contractor: ENSI the Swiss Federal Nuclear Safety Inspectorate, Switzerland
2013 - 2016 5 NeXus of Water, Food and Energy (teaching project, expertise) Project to setup a master study line with Nexus topic. With academic partners from Switzerland, Denmark, Greece, US, Egypt, Tanzania and Ethiopia. Contractor: DAAD – German Academic Exchange Service, Germany
2011 - 2014 5 Guidelines for integral torrent catchment (part 2) (expertise) Developing new guidelines for the development of protective measures in alpine torrent catchment considering optimization of protection and cost efficiency. Contractor: Bavarian Environment Agency (LfU), Germany
2012 - 2014 1 Hydropower plant Borgharen [11 MW/ 4,5 m] (3D numerical model) Optimizing the design of a new power plant at the Maas river in the Netherlands by means of 3D CFD computations including sedimentation and dredging issues. Contractor: ARBRA BV, The Netherlands
2012 - 2013 4 Control and damping of floods with polders at the Bavarian Danube (2D numerical model) Detailed numerical 2D investigation of the Bavarian Danube and the effect of flood polder management. Focussing on the time management of polder operation in interaction with the main tributaries and upstream and downstream polders. Contractor: Regional Water Authority Deggendorf, Germany
2010 - 2013 2 Sediment management plan for the Rhine River (2.5D numerical model) Sedimentation and sediment mobilization potential, sediment management by flushing, optimization of fish habitat conditions. Contractor: Federal Ministry for Energy, Switzerland
2010 - 2014 4 Decay and fate of fecal bacteria in rivers at storm water sewage outlets (physical model study and 2D numerical model development) Etohydraulic investigation in a large outdoor facility fed by original Isar river water with original Isar river gravel, biofilm and macrozoobenthos growth. Implementation of the findings into a predictive 2D numerical tool. Contractor: DFG the German Research Foundation (in Cooperation with Prof. Horn, Chair of Sanitary Environmental Engineering), Germany
2012 - 2014 4 Hydraulic investigation on fish guidance on turbine outflows of hydropower plants at the Danube river (3D numerical model) 3D numerical computations with geometrically differing setups to optimize the turbine outflow for fish attraction. Contractor: Bayerische Elektrizitätswerke GmbH, Germany
2012 - 2015 5 Concepts for torrent basin management (part 1) (expertise) Reconstruction of the structural elements of torrent catchemnt. Derivation of new guidelines for secure yet economic solutions. Contractor: Bavarian Environment Agency (LfU), Germany
2010 - 2012 2 Licca Liber the “free” Lech River (expertise and 2D numerical model) Investigation of the effect and the position of fixed weirs on river morphology. Alternative possibilities for bed stabilization. Contractor: Regional Water Authority Donauwörth, Germany
2012 1 Krün weir and powerplant [0,2 MW/ 5 m] (hybrid 3D numerical and physical model investigation, scale 1:17,5) Sediment and suspended load transport at the weir of the power plant. Management of suspended load and bed load. Contractor: E.ON hydropower, Germany
2012 - 2014 1 Dal hydropower plant at the Sudanese Nile [570 MW/ 19 m] (hybrid 3D numerical and physical model investigation, scale 1:35) Physical model investigation of the spillway and the power plant. Design improvement, sediment management and vortex prevention at the power intakes. Contractor: Dam Implementation Unit (DIU), Sudan
2012 - 2013 1 Winznau hydropower plant [51 MW/ 17 m] (overall and detailed physical model, scale 1:40 and 1:15) Investigation of the new hydropower plant. Design optimization, capacity measurements, weir optimization on a full and a detailed model of the power intake. Contractor: Alpiq AG, Switzerland
2011 - 2012 1 Felsentunnel hydropower plant [0,3 MW/ 9 m] (physical model investigation, scale 1:15) Investigation of the dam on flood security upstream of the dam. Design optimization. Contractor: WKW Felsentunnel GmbH & Co. KG, Germany
2011 1 Kiblinger dam (expertise) [0,7 MW/ 13 m] Investigation of energy dissipation, scouring and spillway discharge capacity Contractor: DB Energie GmbH, Germany
2011 2 Alternative approach to numerical sediment transport (expertise) Expertise and literature search on alternative options to compute sediment transport in rivers. Contractor: BAW, Federal Waterways Engineering and Research Institute, Germany
2010 - 2011 4 Lechsend hydropower plant (2D numerical model) Numerical investigation of floods on the groundwater situation in case of dam construction. Contractor: LEW, Augsburg, Germany
2010 - 2011 4 Flood security at the Bavarian Danube (2D numerical model investigation) 2D numerical investigation of floods and flood management with polders. Optimization of the storage volumes and the managing strategies of a series of potential polders. Contractor: Bavarian Ministry of the Environment (StMUG)
2011 - 2013 1 Shaft power plant (physical model, scale 1:10) Invention of a new hydropower concept with several patents. Improving of the design and measurement of the flow fields and the efficiencies. Contractor: AiF, ZIM funded research project
2010 - 2011 1 Pumped storage scheme Riedl [300 MW/ 350 m] (overall and detailed physical models, scale 1:55 and 1:20) Investigation of intake and outlet structures in the Danube and the upper reservoir. Contractor: Verbund Hydropower, Austria
2010 - 2011 1 Beznau hydropower plant [19,5 MW/ 6,8 m] (physical model, scale 1:40) Investigation of the new hydropower plant. Design optimization, capacity measurements, weir optimization. Contractor: Axpo AG, Switzerland
2010 3 Evaluation of fish behaviour at inclined trash racks (physical model) Investigations with various living fish species on the behaviour at differently sloped and spaced trash racks. Contractor: Grenzkraftwerke GmbH, Germany/Austria
2010 5 Discharge measurements at the Mühlthaler Weir, Traun river, Germany (expertise) Propeller measurements in prototype. Contractor: Georg Koller Electric Power Station, Germany
2009 - 2011 1 Flood safty investigation for Mühlbach Powerplant in Landsberg a. Lech, Germany [0,47 MW/ 5 m] (1D numerical model) Surge heights and propagation times due to transient turbine operation. Contractor: Bayerische Elektrizitätswerke GmbH, Germany
2010 1 Discharge and velocity measurements at the Trostberg 1 power plant [2,6 MW/ 5 m] (prototype) Anemometer measurements in the intake cross section to determine turbine efficiency. Contractor: Alzkraftwerke Heider GmbH, Germany
2009 - 2010 1 Degerforsen dam [64 MW/ 25m] (3D numerical and physical model, scale 1:35) Hybrid 3D numerical and physical model investigation of spillway capacity, shock wave formation and dam face erosion problems. Contractor: EnergoRetea, Sweden
2009 - 2010 3 Fish bypass for downstream migration (physical model) Comparison of various bypass options for downstream migration of fish. Contractor: Bavarian State Ministry for Agriculture, Germany
2009 1 Power plants at the Var River (expertise) Consulting for a feasibility study. Contractor: Schlegel GmbH & Co.KG, Germany
2009 2 Kajbar dam reservoir management (2.5D numerical model) Effects of various flushing schemes on the Nile River bed and the Kajbar reservoir including the near field of power intakes and low level sluices. Contractor: Dam Implementation Unit (DIU), Sudan
2009 1 Kajbar dam, spillway model [360 MW/ 16 m] (physical model, scale 1:35) Functionality and operation of spillway, low level outlets and energy dissibation. Design optimization with respect to cavitation damage Contractor: Dam Implementation Unit (DIU), Sudan
2009 1 Kajbar dam, power house model [360 MW/ 16 m] (physical model, scale 1:30) Investigation of sedimentation and flushing options at the power house. Velocity distribution, vortex formation and vortex prevention at the intakes. Contractor: Dam Implementation Unit (DIU), Sudan
2004 - 2008 4 Retardation and damping of flood waves in the Bavarian Danube (2D numerical model) Flooding at the Bavarian Danube, natural and historical retention potentials and development of management strategies. Contractor: Bavarian Ministry of the Environment, Germany
2009 - 2011 5 Gravity waves in the Kühtai reservoir (3D numerical model) Avalanche and rock slide induced waves in the Kühtai reservoir and dam overtopping. Contractor: Tiroler Wasserkraft AG (TIWAG), Austria
2009 5 Vortices in pump sumps (expertise) Scalability and probability of air entraining vortices in a nuclear power plant due to emergency operation. Contractor: Federal Office for Radiation Protection, Germany
2009 1 Lambach powerplant [14 MW/ 9,5 m] (3D numerical model) Approaching flow conditions and sedimentation of the reservoir. Comparison of numerical computations with observations. Contractor: Energie AG, Austria
2009 3 Pielweichs outlet weir (physical model, scale 1:10) Bypass for fish and micro-organisms and dynamic flushing of the wetlands. Contractor: Regional Water Authority Landshut, Germany
2007 - 2009 1 Powerplant Feldheim [8,5 MW/ 8 m] (physical model, scale 1:30) Energy dissipation in the stilling basin and stability of scour protection. Contractor: Bayerische Elektrizitätswerke GmbH, Germany
2010 1 Powerplant Oberaudorf - Ebbs [60 MW/ 12,6 m] (physical model, scale 1:30) Preventing sedimentation of the power intakes with hydraulic modifications. Contractor: Grenzkraftwerke GmbH, Germany
2007 - 2008 2 Discharge and dynamic bed measurements with ADCP (field study) Determination of transient bed changes at the weir and in the reservoir during a flood. Contractor: E.ON Wasserkraft GmbH, Germany
2008 2 Reservoir management Shereik dam [370 MW/ 20 m] (2.5D numerical model) Effects of flushing on the Nile River bed and the Shereik reservoir. Near field and far field investigations. Contractor: Dam Implementation Unit (DIU), Sudan
2008 1 Shereik dam, spillway model [370 MW/ 20 m] (physical model, scale 1:35) Functionality and operation of spillway, energy dissipation and power intakes. Air entraining vortex formation and sedimentation upstream the power intakes. Contractor: Dam Implementation Unit (DIU), Sudan
2008 1 Shereik dam, power house model [370 MW/ 20 m] (physical model, scale 1:35) Investigation of sedimentation and flushing options at the power house. Velocity distribution, vortex formation and vortex prevention at the intakes. Contractor: Dam Implementation Unit (DIU), Sudan
2008 5 Floating debris 2 (physical model, scale 1:20) Blockage and capacity reduction due to floating logs, design of constructional measures. Contractor: ELFORSK AB, Sweden
2008 5 Flood prediction and management at the Bavarian Danube (1D/2D hydrologic/hydrodannamic numerical model) Strategies and potential of improvement of flood prediction and management. Contractor: Bavarian Environment Agency (LfU), Germany
2007 - 2008 1 Perach reservoir [19 MW/ 5,5 m] (physical model, scale 1:40) Spillway capacity of the plant under consideration of sediment depositions. Contractor: E.ON Wasserkraft GmbH, Germany
2008 1 Merowe dam [1260 MW/ 43 m] (3D numerical model) Flooding of bay 1 in the final stage of construction Contractor: Dam Implementation Unit (DIU), Sudan
2008 1 Merowe dam [1260 MW/ 43 m] (advisor to the panel of experts) Controlled actions in case of extreme floods in the final construction stage. Contractor: Dam Implementation Unit (DIU), Sudan
2006 - 2010 4 Isarplan (physical model, scale 1:22) River renaturation and flood protection of the Isar River in Munich. Contractor: Regional Water Authority Munich, Germany
2007 1 Reiselsberg dam [0,4 MW/ 9 m] (physical model, scale 1:20) Spillway and bottom outlet capacity and energy dissipation. Contractor: Halblech-Kraftwerke Einsiedler GmbH & Co, Germany
2006 - 2007 5 Floating debris 1 (physical model, scale 1:20) Blockage and capacity reduction due to floating logs, design of constructional measures. Contractor: ELFORSK AB, Sweden
2007 1 Regulation basin Innertkirchen [1260 MW/ 43 m] (physical model, scale 1:25) Hydraulic and morphologic effects of the basin - present and future status. Contractor: Kraftwerke Oberhasli AG, Switzerland
2006 - 2007 4 A8 highway bridge over the Lech River (physical model, scale 1:25) Cause of erosion and flood damage. Contractor: Highway direction, Southern Bavaria, Germany
2007 4 Flooding of the city of Innsbruck (3D numerical model) Flooding, flood propagation and flood management action planning in the historical city centre. Contractor: City of Innsbruck, Austria
2007 5 Meng gauging station (physical model, scale 1:15) Design optimization, stage/discharge curve and fish passage options. Contractor: Land Vorarlberg, Austria
2007 1 Kopswerk II - Intake/outlet of downstream reservoir [525 MW/ 818 m] (3D numerical model) Surges due to transient pumping and turbinating including air entraining vortices and their prevention. Contractor: Vorarlberger Illwerke AG, Schruns, Austria Until April 2007
2006 4 Risk management of the city of Innsbruck (3D numerical model) Flooding and transient inundation of the city center. Contractor: City of Innsbruck, Austria
2006 1 Hieflau power plant [63 MW/ 85 m] (physical model, scale 1:15) Design optimization, spillway capacity and optimization of approaching flow. Contractor: Austrian Hydro Power (AHP), Austria
2006 5 Kleine Schliere torrent (physical model, scale 1:30) Spilling optimization considering high sediment load and roller waves. Contractor: Wuhrgemeinschaft Alpnach, Switzerland
2006 1 Einöden power plant [0,66 MW/ 15,4 m] (3D numerical model) Weir capacity, sand trap and design optimization. Contractor: Bernard Consulting Engineers, Austria
2006 1 Enerpass power plant [16,5 MW/ 258 m] (3D numerical model) Spillway weir design and sand trap optimization, effect of debris flows on spillway capacity. Contractor: Enerpass AG, St. Leonhard in Passeier, Italy
2006 1 Swiss/Austrian power plant at the Inn River [89 MW/ 161 m] (physical model, scale 1:75) Optimize intake positions with respect to sedimentation, spillway capacity, stilling basin optimization and wave generation due to avalanches. Contractor: Grenzkraftwerke Inn, Austria/Switzerland
2006 4 Welsenberg dam (numerical model) Rainfall-runoff model with artificial neuronal networks, online flood management tool. Contractor: Autonomous Province Bozen, Italy
2005 2 Nordkettenbahn New (physical model, scale 1:15) Bridge scouring and scour protection. Contractor: Strabag AG, Austria
2005 5 Stubachtal hydrology (expertise) Design discharges using statistic methods and rainfall-runoff models, 3D numerical investigation on capacity increase of the spillway. Contractor: Austrian railways, Austria
2005 1 Kopswerk II power plant [525 MW/ 818 m] (physical model, scale 1:35, and 3D numerical model) Half-model of inlet/outlet of Kops II, vortex formation, design optimization, hybrid physical/numerical investigation. Contractor: Vorarlberger Illwerke AG, Austria
2004 5 Stage-Discharge relations (3D numerical model) Extrapolation of 17 stage discharge curves using 3D hydrodynamic modelling. Contractor: Hydrographic Service Tirol, Austria
2004 5 Discharge capacity of the Isel River (3D numerical model) Capacity of the Isel River in the city of Lienz, Austria. Contractor: Hydrographic Service Tirol, Austria
2004 5 Floodrisk - Floods in alpine catchments (expertise) Floods in alpine catchments, state of art chapter in the floodrisk report. Contractor: Ministry of Environment (BMLFUW), Austria
2004 1 Merowe dam spillway [1260 MW/ 43 m] (physical model, scale 1:35) Capacity, approaching flow and design optimization. Contractor: Dam Implementation Unit (DIU), Sudan
2004 1 Merowe dam power intake [1260 MW/ 43 m] (physical model, scale 1:25) Vortex formation, approaching flow and design optimization. Contractor: Dam Implementation Unit (DIU), Sudan
2003 1 Kopswerk II pumped storage power plant [525 MW/ 818 m] (3D numerical model) Transient water level fluctuations, aeration of the flow and vortex formation in the surge chamber. Contractor: Vorarlberger Illwerke AG, Austria
2003 5 Seeklause Seekirchen (3D numerical model) Stage-discharge evaluation of the orifice spilling structure. Contractor: Hydrogaphic Service Salzburg, Austria
2002 5 Rodeo wave Terminator 3 (3D numerical model) Optimization of the rodeo wave for the Rodeo World Championship in Graz, Austria. Contractor: Hydrographic Service Steiermark, Austria
2001 5 Paragon building (3D numerical model) Numerical simulation of the “Formal Lake” of the TAG McLaren F1 head quarter in London. Architectural design by Sir Norman Foster. Contractor: Atelier Dreiseitl, Ueberlingen, Germany
1996 5 Potsdamer Platz (3D numerical model) Optimization of the flow in the urban watersheds of the Debis Centre. Architectural design by Renzo Piano. Contractor: Atelier Dreiseitl, Ueberlingen, Germany
1995 4 Flooding of the city of Zurich (1D numerical model) Flood wave propagation in the Sihl River in Zurich, Switzerland. Contractor: Basler & Hofman, Engineers and Designers AG, Switzerland
1993 5 Water hammer in the supply system of the city of Berne (1D numerical model) Pressure hammer computations to determine maximum pressures and possible pipe failures. Contractor: Gas, Wasser und Fernwärme, Berne, Switzerland
1990 5 Contaminant transport in the Rhine River (2D numerical model) Development and application of a numerical alarm model for contaminant transport in the Rhine River, literature search and report in collaboration with J. Trösch und C. Beffa. Contractor: Swiss Federal Administration, Switzerland
1988 1 Aeration of spillway chutes - Design and calculation (physical model) Experimental research project on spillway chute aeration with thesis ETH No. 8514.
1987 1 Panix dam [50 MW/ 740 m] (physical model, scale 1:25) Investigation and optimization of spillway overfall, spillway chute and bottom outlets. Contractor: NOK power corporation, Switzerland
1985 1 Aghios Nikolaos dam [445 MW] (physical model, scale 1:15) Design and optimization of the aeration devices in the spillway chute. Contractor: Public Power Corporation, Athens, Greece
1985 5 Sulgenrain sewer storm outlet (physical model, scale 1:14.5) Design of a supercritical sewer junction with storm water outfall. Contractor: Steiner, Marchand & Türler, Switzerland
1983 1 El Cajon dam [600 MW/ 226 m] (physical model, scale 1:100) Design and opimization of the ski jump spillway. Contractor: Empresa Nacional de Energia Electrica, Honduras
1983 1 Mosul dam chute aeration [750 MW] (expertise) Number and shape of the aeration devices Contractor: Swiss Consultants, Switzerland
1983 1 Mosul dam power intake [60 MW] (physical model, scale 1:30) Design and optimization of the power intake at “Mosul Regulating Scheme” Contractor: Swiss Consultants, Switzerland
1982 1 Mosul dam bottom outlet [750 MW] (expertise) Vortex formation and air entrainment into the bottom outlet. Contractor: Swiss Consultants, Switzerland
1982 1 Mosul dam regulating scheme [60 MW] (physical model, scale 1:100) Design and optimization of spillway, bottom outlet and stilling basin. Prevention of vortex formation at the bottom outlets. Contractor: Swiss Consultants, Switzerland
1981 1 Mosul dam main scheme spillway [750 MW] (physical model, scale 1:100) Design and optimization of the main spillway, shock wave optimization, ski jump optimization and scouring investigation. Contractor: Swiss Consultants, Switzerland
1980 5 Barrage El Fakia (physical model, scale 1:10) Optimization of energy dissipation in the stilling chamber. Contractor: Société Générale pour l’Industrie, Switzerland