C. Müssing, A. Kabat vel Job, S. Knorr, H. Meyer, D. Wiest
Recent research shows that the investigation of particle flow of small particles with diameters smaller than 10 micrometers has emerged as an important field of interest, especially for purposes in the industrial sector. Investigating the behavior, deposition and acting forces of individual particles have become particularly relevant. Understanding theses dynamics is crucial for setting up practical simulations in terms of particle transport drawn from industrial problems. Previous research has identified numerous forces involved in particle transport e.g. Sommerfeld, 2000, Crown, 2005, Löffler & Raasch, 1992 or Crown, et al., 2011. However, not all of the various forces have yet been implemented in practice for different reasons. In this case study, acting forces are examined theoretically using a component coming directly from the automotive industry. The examined component is a venting tube used in headlights of vehicles. Due to its simple geometry the component is suitable for investigating particle-laden flow using different simulation software. The simulation setup for this component is less complex, which saves time and reduces computational costs. The implementation of the examination processes within different types of simulation software has been analyzed too. Simulating a particle-laden flow results in significant computational costs. It is therefore necessary to identify and implement boundary conditions. All results serve as the basis for developing an appropriate simulation model and to create a methodological approach representing particle transport. The simulation results have been validated using suitable experiments. Furthermore, a transfer function is derived to determine the filtering effect of the mentioned automotive component. This study combines theoretical background with a practical approach.
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Published on 19/02/26Submitted on 19/02/26
Volume Particle-laden flows, 2026Licence: CC BY-NC-SA license
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