Modeling as Support for the Implementation of the Project "Renewal of the Töging Power Plant"

Josef Schneider, Shervin Shahriari, Gabriele Harb

Publikation: Beitrag in Buch/Bericht/KonferenzbandBeitrag in einem KonferenzbandBegutachtung


The renewal of the existing diversion hydropower plant (HPP) Töging and its weir Jettenbach requires testing of several construction components. Therefore, physical and numerical modelling were performed. The construction phase for the weir was tested and significant parameters like flow velocities or shear stresses were determined. Parallel operation of both weirs, the old and the new one, are critical and had to be studied. The optimization of the stilling basins, flow pattern to the existing (residual water) hydropower plant, the scouring of the riverbed and new developed downstream fish passage structures were tested and optimized.
As mentioned already, the existing hydropower station Töging should be in operation during most of the construction phase. Thus, numerical and physical tests were carried out both in the upstream part and in the downstream reach to fulfil this requirement. To guarantee a most sustainable operation of the new power station for decades, approach flow to the turbines had to be optimized extensively. The application of numerical tools and physical models led to a successful implementation of the planning phase.
The above-mentioned downstream fish migration facility, which is needed today at many hydropower plants in Europe, is not yet state of the art and satisfactory solutions are sought in a variety of ways. In this project, a solution was found in a scaled physical model test by measuring and determining flow fields, which suggest that the downstream fish passage structures work.
TitelIAHR World Congress 2019
UntertitelWater - Connecting the World
PublikationsstatusVeröffentlicht - 2019
VeranstaltungIAHR World Congress 2019 - Panama City, Panama
Dauer: 1 Sep 20196 Sep 2019


KonferenzIAHR World Congress 2019
OrtPanama City


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