Journal
IEEE TRANSACTIONS ON PLASMA SCIENCE
Volume 48, Issue 12, Pages 4080-4088Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPS.2020.3031076
Keywords
Corona; Discharges (electric); Ions; Mathematical model; Computational modeling; Voltage control; Numerical models; Corona; current-voltage characteristics; dc discharges
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Funding
- FCT of Portugal [UIDP/50010/2020]
- European Regional Development Fund through the Program Madeira 2014-2020 [PlasMa-M1420-01-0145-FEDER-000016]
- HCEI [13.1.4]
- RFBR [20-02-00320]
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The use of stationary solvers instead of approximate solution methods or time-dependent solvers, which are standard tools in gas discharge modeling, allows one to develop a very fast and robust numerical model for studying the time-averaged characteristics of dc corona discharges. Such an approach is applied to dc corona discharges in point-plane gaps in ambient air. A wide range of currents of both voltage polarities and various gap lengths are investigated, and the simulation results are validated by comparing the computed current-voltage characteristics and spatial distributions of the radiation intensity with experimental results. Specific features of the numerical and experimental results at both polarities are discussed.
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