Experimental Analysis of Cold Plasma With Glow Discharge Mechanism Under a Variety of Input Parameters

Saman, Norhafezaidi Mat; Ahmad, Mohd Hafizi; Buntat, Zolkafle

doi:10.1109/tps.2022.3176455

Cited by 4 publications

(1 citation statement)

References 87 publications

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“…In this experiment, as V a increased, a partial discharge occurred over the entire area. In general, the filamentary discharge becomes more noticeable as V a increases [56,57]. This is beneficial as V a increases until a uniform discharge is achieved [58].…”

Section: Discharge Characteristicsmentioning

confidence: 97%

Characteristics of high-repetition-rate bipolar pulse DBD under various electrical conditions in atmospheric-pressure air

Kim,

Yun,

Kim

2023

J. Phys. D: Appl. Phys.

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Numerous studies have been conducted on pulse dielectric barrier discharge (DBD) because it can produce powerful discharges uniformly at atmospheric pressure with a fast rise time. Although much research has been conducted on pulse DBD below 10 kHz, relatively little has been conducted on pulse DBD at high pulse repetition rates (PRRs). Therefore, in this study, the ozone generation and discharge characteristics of bipolar pulse DBD in atmospheric-pressure air at a high PRR of 10 kHz or above were investigated. According to the results of this study, with the exception of electron temperature, most discharge characteristics need for practical applications—like transfer charge, electron density, and discharge uniformity—improved as the voltage and duty ratio increased at high PRR. On the contrary, increasing the PRR exhibited trade-off features like low electron temperature, low discharge uniformity, and a high number of discharges per unit time. Ozone generation demonstrated good results at high voltage, appropriate PRR, and low duty ratio, but applying suitable electrical conditions is crucial considering ozone generation speed and power consumption. The findings of this study will be very beneficial for high-PRR pulse DBD applications that require quick and effective processing. Additionally, they will be useful for researching the characteristics of pulse DBD at high PRR.

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Section: Discharge Characteristicsmentioning

confidence: 97%

Characteristics of high-repetition-rate bipolar pulse DBD under various electrical conditions in atmospheric-pressure air

Kim,

Yun,

Kim

2023

J. Phys. D: Appl. Phys.

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Enhancing One-Step Methanol Production from Methane in a Double Dielectric Barrier Discharge Reactor with Glow-like Discharge

Ji,

Peng,

Yuan

et al. 2024

Ind. Eng. Chem. Res.

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Nonthermal plasma is a promising way to achieve one-step partial oxidation of methane to methanol (MTM) under ambient conditions. Double dielectric barrier discharge (DDBD) possesses a glow-like discharge character to activate inert CH 4 molecules and protect methanol from overoxidation. Herein, we perform an MTM reaction in CH 4 /O 2 plasma in DDBD reactors for the first time, which exhibited the advantages of high methanol selectivity and methanol yield compared to single dielectric barrier discharge (SDBD). Glow-like mode discharge was observed in the DDBD, while filamentary mode discharge was obtained in the SDBD. By varying the discharge length, discharge gap, and discharge power, the performance of MTM was optimized, and outstanding outcomes compared to prior literature were achieved. Kinetic analysis and optical emission spectroscopy (OES) were performed to gain insight into the reaction mechanism of the MTM reaction. It can be deduced that methanol is more likely to be generated in the DDBD, attributed to the high proportion of CH 3 radicals in all CH x radicals, which are capable of producing methanol through collisions with oxygen related radicals. In addition, the low oxidizing ability and the restricted carbon−carbon coupling in the DDBD promote methanol selectivity and yield.

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Atmospheric Pressure Plasma Jet Assisted by Magnetic Field: A Simulation Study

Abdullah,

Jalaludin,

Ahmad

et al. 2023

2023 IEEE Conference on Energy Conversion (CENCON)

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Experimental Analysis of Cold Plasma With Glow Discharge Mechanism Under a Variety of Input Parameters

Cited by 4 publications

References 87 publications

Characteristics of high-repetition-rate bipolar pulse DBD under various electrical conditions in atmospheric-pressure air

Characteristics of high-repetition-rate bipolar pulse DBD under various electrical conditions in atmospheric-pressure air

Enhancing One-Step Methanol Production from Methane in a Double Dielectric Barrier Discharge Reactor with Glow-like Discharge

Atmospheric Pressure Plasma Jet Assisted by Magnetic Field: A Simulation Study

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