Validated Modeling of Atmospheric-Pressure Anodic Arc
Alexander Khrabry, Igor D. Kaganovich, Andrei Khodak, Vlad Vekselman,, Yevgeny Raitses
TL;DR
This paper presents a validated self-consistent model of atmospheric-pressure arc discharges, integrating complex plasma-electrode interactions and confirming accuracy through comparison with experimental data.
Contribution
It introduces a novel numerical coupling procedure for plasma and sheath dynamics implemented in ANSYS CFX, advancing modeling capabilities for atmospheric-pressure plasmas.
Findings
Model accurately reproduces experimental plasma diagnostics
Coupling procedure improves simulation stability and realism
Validated results enhance understanding of plasma-electrode interactions
Abstract
We performed self-consistent modeling of the atmospheric-pressure plasmas produced by arc discharges. Special numerical procedure for coupling of the plasma current, emission current, ion current, sheath voltage drop, heat fluxes at plasma-electrode interfaces was developed and implemented into the ANSYS CFX code. Validation of the simulation results is performed through comparison of simulation results with the previously available experimental data obtained by a range of various plasma diagnostics.
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Taxonomy
TopicsPlasma Applications and Diagnostics · Plasma Diagnostics and Applications · Vacuum and Plasma Arcs