Publications de Martin Peter Bieri

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In mountainous areas, high-head-storage hydropower plants produce peak load energy. The resulting unsteady water release to rivers, called hydropeaking, alters the natural flow regime. Mitigating the adverse impacts of hydropeaking on aquatic ecosystems ha ...

Hydropeaking, resulting from rapid starting and shut-down of turbines, is one of the major hydrological alterations in Alpine streams. The upper Aare River basin in Switzerland comprises a complex high-head storage hydropower scheme. The significant turbin ...

Hydropower is the world’s most important renewable electricity source. More than 40% of European hydroelectric energy is produced in Alpine countries. High-head storage hydropower plants (HPP) contribute significantly to peak energy production as well as e ...

Pump and turbine operations lead to head losses in the tailrace channel. Pumping discharge may be limited due to potential air entrainment into the pump shaft when the downstream reservoir is at its lowest level and the head losses are too high. Regarding ...

Sudden starting and stopping of turbines and pumps lead to highly unsteady flow in tailrace channels of hydropower plants (HPP). Submergence of Pelton turbines and air entrainment in pumps due to surge waves must be avoided by technical measures. The exist ...

For the case study area of the upper Aare River catchment in Switzerland with large mountain glaciers, where a complex storage hydropower scheme is located, the impact of climate change on runoff was simulated. Future runoff was assessed for the ongoing ce ...

As several of other run-of:river hydropower plants, the hydraulic scheme of Lavey on the Rhone River in Switzerland is concerned by continuous reservoir sedimentation. To determine the flood evacuation capacity of the weir as well as the flow distribution ...

La réhabilitation des barrages existants impose généralement une augmentation de leur capacité d’évacuation en crue. Dans de nombreuses situations, le PK-Weir (Piano Key Weir) offre à cet égard une solution compacte et efficace. La conception et la réalisa ...

The simulation of runoff in Alpine catchment areas is essential for the optimal operation of high-head storage hydropower plants (HPP) under normal flow conditions, but also in case of flood events. A semi-distributed conceptual numerical approach has been ...

Le réchauffement climatique est une réalité alarmante et conduit probablement à une augmentation de la pression sur les systèmes socio‑économiques. Cependant, dans les régions de haute‑montagne, il pourrait induire l’opportunité d’adapter des aménagements ...

Die Wasserkraft ist mit grossen Herausforderungen konfrontiert. Ein neuartiger integrativer Ansatz erlaubt die Modellierung von komplexen Wasserkraftanlagen zur Beurteilung der Auswirkungen auf deren Betrieb. Das Simulationsprogramme Routing System beinhal ...

Martin Peter Bieri

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Mitigation measures for fish habitat improvement in Alpine rivers affected by hydropower operations

Flow restoration in Alpine streams affected by hydropower operations—a case study for a compensation basin

Operation of Complex Hydropower Schemes and its Impact on the Flow Regime in the Downstream River System under Changing Scenarios

Optimization of a Shared Tailrace Channel of Two Pumped-Storage Plants by Physical and Numerical Modeling

Surge Wave Propagation in a Common Tailrace Channel for Two Large Pumped-Storage Plants

Influence of climate change on future operation of a complex storage hydropower scheme in the Swiss Alps

Lavey Dam - Physical and numerical analysis of flow and sediment transport in the Rhone River

Réhabilitation de la capacité d’évacuation des crues – intégration de "PK-Weirs" sur des barrages existants

Active flood management in Alpine catchment areas equipped with storage hydropower schemes

Einsatz von Piano-Key-Wehren zur Erweiterung der Abflusskapazität von Hochwasserentlastungsanlagen

Large scale particle image velocimetry applications for complex free surface flows in river and dam engineering

Barrage de Lavey – Etudes physique et numérique des écoulements et du transport solide dans le Rhône

Impact du retrait glaciaire et adaptation du potentiel hydroélectrique dans les Alpes suisses

Spillway capacity upgrade of Gloriettes Dam: Environmental integration and energy dissipation

Bewirtschaftung alpiner Speicherkraftwerke unter Berücksichtigung klimatischer und wirtschaftlicher Veränderungen