WASSERWIRTSCHAFT

Today's topics at the operation of Hydropower plants

Numerical investigation of added mass and damping effects on a hydrofoil in cavitation tunnel

Pavel Čupr, Pavel Rudolf, Vladimír Habán

Vibrations of flexible bodies submerged in fluid

Michal Havlásek, Tomáš Machů, František Pochylý

Flow phenomena in a model pump turbine at synchronous condenser mode - description of test rig

Anton Maly, Klaus Käfer, Christian Bauer

The growth of a rotary gravity wave in a cylindrical container

Herbert Steinrück, Anton Maly

Performance improvement of a mixed-flow pump by means of multi-objective optimization

Franz Hahn, Julian Unterluggauer, Christian Bauer

Investigation of hydraulic losses in a centrifugal pump with low specific speed

Fabian Hankeln, Stefan Riedelbauch

In situ investigations and failure analysis of the rainwater pumps installed in a wastewater treatment plant

Sebastian Muntean, Liviu Marşavina, Alexandru Hedeş, Liviu Eugen Anton, Ilie Vlaicu

Fatigue analysis of Francis Turbines with different specific speeds using site measurements

Julian Unterluggauer, Markus Eichhorn, Eduard Doujak

Fatigue analysis of a medium head Francis Runner at low-load operation using numerical investigations

Markus Eichhorn, Lukas Waldner, Christian Bauer

On-board measurements at a 100 MW high-head Francis turbine

Maximilian Titzschkau, Vlad Hasmatuchi, Jean Decaix, Cécile Münch-Alligné

Fatigue analysis of a prototype Francis turbine based on strain gauge measurements

Julian Unterluggauer, Eduard Doujak, Christian Bauer

Surge Tank Design for Storage-Tunnels

Wolfgang Richter, Helmut Knoblauch, Gerald Zenz

3D numerical flow analysis of the non-uniformity induced by a reshaped geometry of the symmetrical suction elbow

Daniel Calin Moș, Sebastian Muntean, Liviu Eugen Anton

Hydraulics of the Tail Race Surge Tank of Gouvães Pumped-Storage Hydropower

Wolfgang Richter, Gerald Zenz, Christophe Nicolet, Christian Landry Juan Carlos, Vera Rodríguez, Luis de la Torre Abietar

Auto-oscillation - basic considerations and protection system for the Waldeck Hydro Group

Pablo Llosa, Jörg Lingelbach

Experimental investigation of transient pressure effects in the side chambers of a reversible pump turbine model

Anton Maly, Markus Eichhorn, Christian Bauer

An industrial micro grid powered by a Pelton unit

Johann Hell, Wolfgang Hofbauer, Serdar Kadam, Wolfgang Michler

Best practice grid restoration with hydropower plants

Stefan Polster, Robert Schürhuber, Herwig Renner, Leopold Ruppert, Robert Schmaranz, Christian Rupp, Christian Tengg

Investigation of the control behaviour of hydropower plants in island mode during grid restoration

Volker Brost, Stefan Riedelbauch

Improvement in the stability of S-shaped characteristics by using misaligned guide vanes

Markus Lenarcic, Christian Bauer, Martin Giese, Alexander Jung

Analysis of a full load operating point of a propeller turbine using scale-resolving turbulence models

Bernd Junginger, Stefan Riedelbauch