A Study of the Discharge Gap Heterogeneity Effect on the Ozone Generator Parameters

  • Nikolay Yu. LYSOV
  • Aleksey Ya. SHMELEV
  • Andrey I. MILOSERDOV
  • DANIIL D. DMITRIEV
  • Valentin I. GIBALOV
  • Aleksandr V. KLUBKOV
  • Elena V. KORSA-VAVILOVA
Keywords: ozone generator, ozonizer, heterogeneous discharge gap, modeling, resonant frequency

Abstract

The paper presents the results of modeling the resonant power supply circuit of ozone generators (OG) with a heterogeneous discharge gap. Basic types of OG gas gap heterogeneity are considered, which are determined by the type in which the coaxial electrode system deviates from coaxiality, or the electrodes themselves deviate from the cylindrical shape. The discharge gap distribution densities over the electrodes area depending on the type of gas gap heterogeneity are determined. It is shown that the OG with a heterogeneous discharge gap is a nonlinear circuit element the effective capacitance of which depends on the voltage across its electrodes. Resonance curves of the OG with different types of gas gap heterogeneity are obtained. It is found that the resonant frequency in the ozonizer power supply circuit as a whole is determined by the dielectric capacitance, and the resonant amplitude of the voltage across the OG electrodes is not related to the power supply circuit ohmic resistance. The dependence of the “power supply source - ozone generator” system resonant frequency on the gas gap heterogeneity degree is shown. The results of comparison between experimentally measured values of current through and voltage across the OG electrodes and the modeling results are presented. It is shown that the amplitudes of the experimental and modeled current and voltage are in agreement only when the discharge gap heterogeneity is taken into account.

Author Biographies

Nikolay Yu. LYSOV

(National Research University "Moscow Power Engineering Institute", Moscow, Russia) – Docent of the High Voltage Engineering and Electrophysics Dept., Cand. Sci. (Eng.).

Aleksey Ya. SHMELEV

(Moscow Ozonators LLC, Moscow, Russia) – Deputy General Director-Chief Engineer.

Andrey I. MILOSERDOV

(National Research University "Moscow Power Engineering Institute", Moscow, Russia) – Master's Student of the High Voltage Engineering and Electrophysics Dept.

DANIIL D. DMITRIEV

(National Research University "Moscow Power Engineering Institute", Moscow, Russia) – Master's Student of the High Voltage Engineering and Electrophysics Dept.

Valentin I. GIBALOV

(Medozon Company LLC, Moscow, Russia) – Deputy General Director, Dr. Sci. (Phys.-Math.).

Aleksandr V. KLUBKOV

(National Research University "Moscow Power Engineering Institute", Moscow, Russia) – Postgraduate Student of the High Voltage Engineering and Electrophysics Dept.

Elena V. KORSA-VAVILOVA

(Moscow Ozonators LLC, Moscow, Russia) –General Director. Cand. Sci. (Eng.).

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Работа выполнена в рамках проекта «Моделирование процессов синтеза озона в барьерных озонаторах для систем водоподготовки объектов распределенной энергетики» при поддержке гранта НИУ «МЭИ» на реализацию программы научных исследований «Приоритет 2030: Технологии будущего» в 2022–2024 гг.
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13. Jin Sh. et al. A non‐Equal Gap Distance Dielectric Barrier Discharge: Between Cone-Shape and Cylinder-Shape Electrodes. – High Voltage, 2021, 7(2), DOI: 10.1049/hve2.12126.
14. Zhang Y.F. et al. Characteristics of the Discharge and Ozone Generation in Oxygen Fed Coaxial DBD Using an Amplitude Modulated AC Power Supply. – Plasma Chemistry and Plasma Processing, 2018, 38(11), pp. 1199–1208, DOI:10.1007/s11090-018-9922-2.
15. Brandenburg R. Dielectric Barrier Discharges: Progress on Plasma Sources and on the Understanding of Regimes and Single Filaments. – Plasma Sources Science and Technology, 2017, 26(5), DOI:10.1088/1361-6595/aa6426.
16. Paschen F. Ueber die zum Funkenübergang in Luft, Wasserstoff und Kohlensäure bei verschiedenen Drucken erforderliche Potentialdifferenz. – Annalen der Physik und Chemie Magazine, 1889, 273(5), 69–96
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The research was financially supported by the National Research University "Moscow Power Engineering Institute", grant for implementation of the scientific research program "Priority 2030: Technologies of the Future" in 2022–2024.
Published
2024-09-26
Section
Article