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    CRC 1615 - Project B04: Tailored transport processes in multiphase reactors
    Project B04 investigates transport processes in the vicinity of nanostructured surfaces, which are an essential component of SMART reactors. Test microreactors with defined but manipulable flow characteristics are built to determine the influence of partially functionalized and switchable interfaces on mass transport processes. These are analysed using microscopic flow measurements with fluorescent particles and concentration imaging with pH-sensitive dyes. Phenomenological models of the transport processes are derived by correlating Lagrangian analysis with concentration fields. The results enable the optimisation of the positioning and design of nanostructured interfaces in SMART reactors.
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    CRC 1615 - Project B05: From sensors and trajectories to transport and mixing
    This project aims to understand Lagrangian transport and mixing of substrates in reactors to prevent zones of poor mixing and to tailor the mixing process. 3D Lagrangian particle tracking measurements and decolorization experiments are conducted resulting in highly resolved Lagrangian data and mixing time distributions for different classical reactor types. Novel computational Lagrangian methods allow us to extract transient transport patterns, i.e. moving volumes with certain mixing abilities from these data sets. Finally, measurements and analysis are extended to structured reactors and to the context of trajectories of Lagrangian sensors that do not exactly follow the flow.
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