"In recent years, it has become apparent that approaches developed at very small modelling scales in particular can result in significant differences to nature. This increases the importance of large-scale experiments up to 1:1, which can model turbulence, coherent structures, sediment transport, morphodynamics as well as measures in the areas of hydropower, navigation or flood risk management in a more natural way. The interaction of vegetation with currents or sediment transport, the impact of hydraulic engineering measures on fish or the risk of people drifting away during floods cannot be investigated at all or only to a very limited extent at small scales.
The new BOKU hydraulic engineering laboratory therefore enables experiments to be carried out on a scale of up to 1:1 using a free-flow rate of up to 10 m³/s through the difference in water level between the Danube and the Danube Canal of 3 to 3.5 metres. Together with model tests on a smaller scale with drinking water, this results in a family of scales that allows in-depth insights into processes as well as their mathematical description."