Investigating CO2streamer inception in repetitive pulsed discharges

S. Mirpour; S. Nijdam

doi:10.1088/1361-6595/ac6a0e

Investigating CO₂streamer inception in repetitive pulsed discharges

S. Mirpour (Corresponding author), S. Nijdam

Research output: Contribution to journal › Article › Academic › peer-review

4 Citations (Scopus)

45 Downloads (Pure)

Abstract

In this study, we investigate the responsible species and processes involved in repetitive pulsed streamer inception in CO2. We applied a 10 kV high-voltage (HV) pulse with a repetition frequency of 10 Hz and pulse width of 1 ms to a pin electrode which is placed 160 mm apart from the grounded plane electrode. We measured the inception times by a photo-multiplier tube (delay between the rising edge of the HV pulse and the rising edge of the photo-multiplier waveform) for 600 high voltage cycles. We observed one peak in the histogram of inception times with a median of 1.2 μs. To identify the source of this peak, we applied a negative or positive low-voltage (LV) pulse before the main HV pulse to manipulate the leftover space charges. Three different phenomena are observed: (1) drift, (2) neutralization, and (3) ionization in the LV pulse. At low LV amplitude and pulse width, the peak starts to drift toward the faster and slower inception times under a positive and negative LV pulse, respectively. However, under the same LV pulse configuration for positive and negative LV pulse, the observed shift in inception times is not the same. We present a hypothesis to explain this asymmetry based on the difference of the detachment processes between air and CO2.

Original language	English
Article number	055007
Number of pages	13
Journal	Plasma Sources Science and Technology
Volume	31
Issue number	5
DOIs	https://doi.org/10.1088/1361-6595/ac6a0e
Publication status	Published - May 2022

Bibliographical note

Funding Information:
We would like to thank Andy Martinez, Prof. Dr. Ute Ebert, and Dr. Jannis Teunissen from Centrum Wiskunde & Informatica (CWI), who provided insight and expertise that greatly assisted the research. Moreover we would like to thank Prof. N Popov for his remark on the reaction rates and discussion. This project has received funding from the European Union’s Horizon 2020 research and innovation program under the Marie Sklodowska-Curie Grant Agreement 722337.

Keywords

CO
delay
discharge inception
repetitive pulses
streamer

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10.1088/1361-6595/ac6a0e

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Cite this

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title = "Investigating CO2streamer inception in repetitive pulsed discharges",

abstract = "In this study, we investigate the responsible species and processes involved in repetitive pulsed streamer inception in CO2. We applied a 10 kV high-voltage (HV) pulse with a repetition frequency of 10 Hz and pulse width of 1 ms to a pin electrode which is placed 160 mm apart from the grounded plane electrode. We measured the inception times by a photo-multiplier tube (delay between the rising edge of the HV pulse and the rising edge of the photo-multiplier waveform) for 600 high voltage cycles. We observed one peak in the histogram of inception times with a median of 1.2 μs. To identify the source of this peak, we applied a negative or positive low-voltage (LV) pulse before the main HV pulse to manipulate the leftover space charges. Three different phenomena are observed: (1) drift, (2) neutralization, and (3) ionization in the LV pulse. At low LV amplitude and pulse width, the peak starts to drift toward the faster and slower inception times under a positive and negative LV pulse, respectively. However, under the same LV pulse configuration for positive and negative LV pulse, the observed shift in inception times is not the same. We present a hypothesis to explain this asymmetry based on the difference of the detachment processes between air and CO2.",

keywords = "CO, delay, discharge inception, repetitive pulses, streamer",

author = "S. Mirpour and S. Nijdam",

note = "Funding Information: We would like to thank Andy Martinez, Prof. Dr. Ute Ebert, and Dr. Jannis Teunissen from Centrum Wiskunde & Informatica (CWI), who provided insight and expertise that greatly assisted the research. Moreover we would like to thank Prof. N Popov for his remark on the reaction rates and discussion. This project has received funding from the European Union{\textquoteright}s Horizon 2020 research and innovation program under the Marie Sklodowska-Curie Grant Agreement 722337. ",

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AU - Mirpour, S.

AU - Nijdam, S.

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N2 - In this study, we investigate the responsible species and processes involved in repetitive pulsed streamer inception in CO2. We applied a 10 kV high-voltage (HV) pulse with a repetition frequency of 10 Hz and pulse width of 1 ms to a pin electrode which is placed 160 mm apart from the grounded plane electrode. We measured the inception times by a photo-multiplier tube (delay between the rising edge of the HV pulse and the rising edge of the photo-multiplier waveform) for 600 high voltage cycles. We observed one peak in the histogram of inception times with a median of 1.2 μs. To identify the source of this peak, we applied a negative or positive low-voltage (LV) pulse before the main HV pulse to manipulate the leftover space charges. Three different phenomena are observed: (1) drift, (2) neutralization, and (3) ionization in the LV pulse. At low LV amplitude and pulse width, the peak starts to drift toward the faster and slower inception times under a positive and negative LV pulse, respectively. However, under the same LV pulse configuration for positive and negative LV pulse, the observed shift in inception times is not the same. We present a hypothesis to explain this asymmetry based on the difference of the detachment processes between air and CO2.

AB - In this study, we investigate the responsible species and processes involved in repetitive pulsed streamer inception in CO2. We applied a 10 kV high-voltage (HV) pulse with a repetition frequency of 10 Hz and pulse width of 1 ms to a pin electrode which is placed 160 mm apart from the grounded plane electrode. We measured the inception times by a photo-multiplier tube (delay between the rising edge of the HV pulse and the rising edge of the photo-multiplier waveform) for 600 high voltage cycles. We observed one peak in the histogram of inception times with a median of 1.2 μs. To identify the source of this peak, we applied a negative or positive low-voltage (LV) pulse before the main HV pulse to manipulate the leftover space charges. Three different phenomena are observed: (1) drift, (2) neutralization, and (3) ionization in the LV pulse. At low LV amplitude and pulse width, the peak starts to drift toward the faster and slower inception times under a positive and negative LV pulse, respectively. However, under the same LV pulse configuration for positive and negative LV pulse, the observed shift in inception times is not the same. We present a hypothesis to explain this asymmetry based on the difference of the detachment processes between air and CO2.

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