![]() The reference to biotechnological topics (e.g. In the case of fixed beds and packing columns, too, there is great potential for process intensification through novel internals. Examples include test series with novel stirrer types in biological stirred tank reactors, which are being investigated as part of the Priority Program SPP1934. ![]() Additive manufacturing is also playing an increasingly important role, particularly at the apparatus level, as it is now possible to manufacture geometric shapes that could not previously be produced by machining, especially at the corresponding speed. As an example, we refer to ongoing and completed projects related to the stirred tank and the bubble column. The investigation of not only global but also local fluid dynamic conditions and local mass transfer phenomena, especially in liquid/liquid or gas/liquid systems, possibly with interfacially active substances, shows a broad research field with diverse apparatus forms to be investigated. ![]() Here, classical mass transfer correlations are no longer sufficient for description. " Reactive multiphase systems" includes systems with at least two phases, where, for example, a transferring component is consumed in a downstream reaction. This includes density measurements, the broad field of interfacial tension, and also rheology, which requires diverse measurement techniques, particularly in the area of non-Newtonian media, in order to be able to describe these fluids with models that are as accurate as possible. " Newtonian and non-Newtonian" here is representative of the basis of all measurements in the field of transport processes, namely mass transfer measurements. In the field of fundamental research, the development of measurement techniques and the investigation of the actual target quantities can rarely be considered separately, since one usually approaches the limits of established measurement techniques. In the latter, optical measurement techniques such as particle image velocimetry, laser induced fluorescence or rainbow schlieren are particularly useful tools. Numerical (keyword: Computational Fluid Dynamics) and experimental investigations go hand in hand. " Transport processes" here include energy, momentum and mass transport. Nevertheless, individual applications are also enormously important for the further development of one's own ideas and a stronger profiling of the research field.īased on the keywords in the summary title, I would like to briefly explain what current and future research priorities represent. Most of these applications are projects within the framework of networks (Collaborative Research Centers, Priority Programs, AiF-ZIM), which I consider to be a very desirable form of project work, since often more can be achieved in a group with a wide variety of approaches than when working alone. Without being an official applicant, I was also significantly involved in successful applications of the university's internal structural funding and an AiF-ZIM application in collaboration with several "small and medium-sized enterprises". The focus is clearly on fundamental research, which can be seen from the fact that the successful project proposals have all been submitted to the German Research Foundation (DFG) (for details see also CV). Even though this covers a very broad range of topics, it describes my research focus in an all-encompassing way. My research orientation after the PhD can be summarized under the title " Transport processes in reactive Newtonian and non-Newtonian multiphase systems".
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