Electromechanical coupling mechanisms at a plasma–liquid interface
نویسندگان
چکیده
The direct interaction between a non-equilibrium gas discharge and liquid volume leads to the generation of plasma activated liquid. This induces flow in both above within volume. physical mechanisms behind induced flows are complex. In this work, two-dimensional experimentally validated numerical model was developed determine dominant mechanism driving at plasma–liquid interface. followed evolution fields phases, describing pin-water configuration operating air, which used treat de-ionized water sample tap sample. Two potential were investigated, electrohydrodynamic (EHD) phase electric surface stresses across It found that is correlated with charge relaxation time For liquids longer than characteristic plasma, such as water, behaves dielectric, dominate phase. shorter or same order plasma’s time, conductor, EHD dominates
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ژورنال
عنوان ژورنال: Journal of Applied Physics
سال: 2021
ISSN: ['1089-7550', '0021-8979', '1520-8850']
DOI: https://doi.org/10.1063/5.0045088