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Institut für Wasser- und Umweltsystemmodellierung - IWS



"Functionality and calibration of a ring-shaped Floc Erosion Chamber"

The significant impact of processes such as biostabilization and flocculation on their environment, particularly on sediment transport, has been attracting the attention of many researchers in the last few decades. In order to optimize research on the properties of biofilms and flocculates, as well as to aid in linking their characteristics to environmental conditions and sediment transport, a floc erosion chamber built by the Institute for Modelling Hydraulic and Environmental Systems of the University of Stuttgart was put through a variety of tests to pinpoint possible areas of improvement, calibrate the device, and carry out a few sample biofilm stability analyses. A series of experiments were performed, including examining current flow conditions in the chamber; evaluating flow velocity and shear stress, and assessing the erosion range and capabilities of the device. The results of this pre-testing were used to optimize the chamber for further experiments and to validate it for accurate measurements and calculations, contributing to future research on biofilm stability and floc characteristics.