Complementarities Between Physical Modelling and Computational Fluid Dynamics for an Ecological Continuity Project

This study presents a comparison between physical modelling and computational fluid dynamics (CFD) for investigating ecological continuity of the Poutès dam modification project. Water depth and velocity measurements have been carried out in the whole physical model. A CFD model has been built based on the geometry of the physical model. Simulations were performed using the OpenFOAM software and the InterFoam solver. Water depths and velocities have been extracted from the numerical model and compared to measurements. The agreement is very good for water depths and quite good for velocities

Envelope Trajectory of Water Jet Issuing From a Thin Weir Obtained by Photogrammetry

Today, to have a good command of the energy dissipation of a jet issuing from a weir we need to improve our knowledge of the location of the impact. This laboratory experiment applied photogrammetry to determine the envelope trajectory of a water jet coming from a thin wall weir. The fall was about 9 meters, the weir was 1 meter wide and the flow was up to 500 l/s. The trajectory of the jet was reconstituted in the three spatial dimensions using the PhotoScan software package developed by Agisoft. The exposure time for each picture was enough to make white water. Envelope trajectory was compared to classical expressions such as those of Scimeni (1937) or De Marchi (1928

Experimental Study of the Interaction Bewteen a Turbulent Flow and a River Biofilm Growing on Macrorugosities

Source: ICHE Conference Archive - https://mdi-de.baw.de/icheArchiv