Design of a Throttled Surge Tank for Refurbishment by Increase of Installed Capacity at a High-Head Power Plant
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High-head storage hydropower plants are an important renewable source of energy in alpine areas. Kinetic energy released from water, which is stored in reservoir and diverted through turbines, produces electricity. During daily peaks of energy demand, the ...
With liberalization of European market, many high head power plants in Switzerland increase their potential generation to remain competitive. The existing surge tanks have to be modified to keep the flow management constant. A relevant way to limit the tim ...
The Swiss Energy Strategy 2050 pursues an ambitious transition to a more renew- able and efficient energy future, combining CO2 and energy saving targets with a phase-out of nuclear electricity generation. This transition poses challenges not only for the ...
Water retention in river plains is a common measure for flood routing. Discharge control is easily achieved by structures combining openings and weirs. Energy dissipation at the outlet is required to ensure the transition from supercritical to subcritical ...
The collection of floating woody debris at flow control structures, such as spillways and weirs, can potentially result in reduced discharge efficiency (higher upstream head for a given weir discharge). Compared to less hydraulically-efficient control stru ...
High-head storage hydropower plants are an important renewable source of energy in alpine areas. Kinetic energy released from water, which is stored in reservoir and diverted through turbines, produces electricity. During daily peaks of energy demand, the ...
According to the International Energy Agency, CO2 emissions have to be cut by a factor 2 if one wants to mitigate the effect on the climate change to an acceptable limit. To reach this target, efficient use and conversion of energy resources is expected to ...
In order to pave the way to a sustainable energy future based on a large share of Distributed Generation (DG), there is a clear need to prepare the European electricity system for the large-scale integration of both renewable and other distributed energy s ...
In recent years, spillway rehabilitation has increased in importance and become the subject of many projects worldwide. One solution for this problem is the implementation of a new type of labyrinth spillway, called Piano Key Weir (PK-Weir ). This is an ex ...
Driftwood is often transported by a river course during flood events and can be problematic where it accumulates at hydraulic structures. Near obstacles, driftwood can block and thus reduces the open flow area for water passage, resulting in a lowered disc ...