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Greifswald 2024 – wissenschaftliches Programm

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P: Fachverband Plasmaphysik

P 16: Atmospheric Pressure Plasmas and their Applications III

P 16.7: Vortrag

Mittwoch, 28. Februar 2024, 15:45–16:00, WW 1: HS

Influence of EHD Force on Gas Dynamics in Atmospheric Pressure Plasma Discharges: A Computational Analysis — •Sebastian Wilczek, Máté Vass, Alexander Böddecker, Ihor Korolov, and Thomas Mussenbrock — Chair of Applied Electrodynamics and Plasma Technology, Faculty of Electrical Engineering and Information Technology, Ruhr University Bochum

Recent advancements in plasma technology have led to the development of various atmospheric pressure plasma discharges for gas conversion. Most of these discharges, such as dielectric barrier discharges, ignite streamers that significantly impact the gas dynamics. The electrohydrodynamic (EHD) force plays a crucial role in this context, exerting a significant momentum transfer on the process gas and altering the overall gas dynamics. This work presents an analysis of results obtained from 2D plasma simulations, which are subsequently integrated into pure fluid simulations via OpenFOAM. The study highlights the formation of vortices in the gas dynamics, demonstrating significant consistency with experimental measurements, including particle image velocimetry (PIV) and Schlieren techniques. The findings offer valuable insights into the complex interactions between EHD forces and gas dynamics in plasma-based gas conversion processes, contributing to the broader understanding and optimization of these applications.

**This work is supported by the DFG via SFB1316

Keywords: Dielectric Barrier Discharge; Steamer; Gas Dynamics; Gas Conversion; OpenFoam

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