Cathode-directed Streamer Development in Air at Different Pressures

Красночуб, А. В.; Nudnova, Maryia; Starikovskii, Andrei

doi:10.2514/6.2005-203

Cited by 7 publications

(10 citation statements)

References 5 publications

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“…Streamer development 1.1.1. Streamer propagation velocity There are many studies on streamer development under pulsed voltage conditions [2,5,6,12,22,7,8,9,38,39,10,3,11,40,41,42,43,44,45,46,4,47,48]. For instance, several researchers have reported on streamer propagation velocities for a range of voltages and rise times.…”

Section: Introductionmentioning

confidence: 99%

Spatiotemporally resolved imaging of streamer discharges in air generated in a wire-cylinder reactor with (sub)nanosecond voltage pulses

Huiskamp

Sengers²,

Beckers

et al. 2017

Plasma Sources Sci. Technol.

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• A submitted manuscript is the author's version of the article upon submission and before peer-review. There can be important differences between the submitted version and the official published version of record. People interested in the research are advised to contact the author for the final version of the publication, or visit the DOI to the publisher's website.• The final author version and the galley proof are versions of the publication after peer review.• The final published version features the final layout of the paper including the volume, issue and page numbers. Link to publication Citation for published version (APA):Huiskamp, T., Sengers, W., Beckers, F. J. C. M., Nijdam, S., Ebert, U. M., van Heesch, E. J. M., & Pemen, A. J. M. (2017). Spatiotemporally resolved imaging of streamer discharges in air generated in a wire-cylinder reactor with (sub)nanosecond voltage pulses. Plasma Sources Science and Technology, 26(7), 075009. DOI: 10.1088/1361-6595/aa7587General rights Copyright and moral rights for the publications made accessible in the public portal are retained by the authors and/or other copyright owners and it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights.• Users may download and print one copy of any publication from the public portal for the purpose of private study or research.• You may not further distribute the material or use it for any profit-making activity or commercial gain • You may freely distribute the URL identifying the publication in the public portal ? Take down policyIf you believe that this document breaches copyright please contact us providing details, and we will remove access to the work immediately and investigate your claim. Abstract. We use (sub)nanosecond high-voltage pulses to generate streamers in atmospheric-pressure air in a wire-cylinder reactor. We study the effect of reactor length, pulse duration, pulse amplitude, pulse polarity, and pulse rise time on the streamer development, specifically on the streamer distribution in the reactor to relate it to plasma-processing results. We use ICCD imaging with a fully automated setup that can image the streamers in the entire corona-plasma reactor. From the images, we calculate streamer lengths and velocities. We also develop a circuit simulation model of the reactor to support the analysis of the streamer development. The results show how the propagation of the high-voltage pulse through the reactor determines the streamer development. As the pulse travels through the reactor, it generates streamers and attenuates and disperses. At the end of the reactor, it reflects and adds to itself. The local voltage on the wire together with the voltage rise time determine the streamer velocities, and the pulse duration the consequent maximal streamer length.Spatiotemporally resolved imaging of streamer discharges in air generated in a wire-cylinder reactor with (sub

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Section: Introductionmentioning

confidence: 99%

Spatiotemporally resolved imaging of streamer discharges in air generated in a wire-cylinder reactor with (sub)nanosecond voltage pulses

Huiskamp

Sengers²,

Beckers

et al. 2017

Plasma Sources Sci. Technol.

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show abstract

“…These streamers typically have a velocity in the range of 10 5 -10 7 m · s −1 and a diameter of several hundred micrometers to several millimeters. [5][6][7][8][9][10][11][12][13][14][15] Due to the high energetic electrons that are generated in these non-thermal plasmas, they are very efficient in producing highly reactive radical species. 16,17 These species can consequently react with, for instance, particles in gas streams (for example, pollutants, odor and dust), contamination in water, biological tissue, and material surfaces.…”

Section: Introductionmentioning

confidence: 99%

Experimental setup for temporally and spatially resolved ICCD imaging of (sub)nanosecond streamer plasma

Huiskamp

Sengers

Pemen

2016

Review of Scientific Instruments

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Streamer discharges are efficient non-thermal plasmas for air purification and can be generated in wire-cylinder electrode structures (the plasma reactor). When (sub)nanosecond high-voltage pulses are used to generate the plasma, components like a plasma reactor behave as transmission lines, where transmission times and reflections become important. We want to visually study the influence of these transmission-line effects on the streamer development in the reactor. Therefore, we need a unique experimental setup, which allows us to image the streamers with nanosecond time resolution over the entire length of the plasma reactor. This paper describes the setup we developed for this purpose. The setup consists of a large frame in which a specially designed plasma reactor can be mounted and imaged from below by an intensified charge-coupled device (ICCD) camera. This camera is mounted on a platform which can be moved by a stepper motor. A computer automates all the experiments and controls the camera movement, camera settings, and the nanosecond high-voltage pulse source we use for the experiments. With the automated setup, we can make ICCD images of the entire plasma reactor at different instances of time with nanosecond resolution (with a jitter of less than several hundreds of picoseconds). Consequently, parameters such as the streamer length and width can be calculated automatically.

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“…We allow the streamer shape to adjust dynamically. Such an array of streamers with fixed period can be created experimentally by an array of needle electrodes inserted into a plate [3]. Here and in [23], we study the two-dimensional version of this problem, because we expect it to be qualitatively similar, but easier to study in this first analysis, and because the two-dimensional problem actually exhibits very interesting similarities with Saffman-Taylor fingers in two fluid flow in Hele-Shaw cells that casts a new light on this classical selection problem.…”

Section: Article Published By Edp Sciencesmentioning

confidence: 99%

“…Streamer discharges are usually (as in Fig. 1) imaged with conventional or digital cameras [1][2][3][4][5][6][7]. This leads to a 2D projection of an essentially 3D phenomenon.…”

Section: Stereographic Imaging In Experimentsmentioning

confidence: 99%

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3D properties of pulsed corona streamers

Veldhuizen

Nijdam

Luque

et al. 2009

Eur. Phys. J. Appl. Phys.

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Abstract. Properties of pulsed corona streamers are measured and simulated in full three spatial dimensions (3D). Stereo photography is used to measure branching angles and to investigate whether apparent streamers reconnections are real. 3D simulations of two parallel streamers show that they can repel each other electrostatically, but that they also can merge due to photoionization. The electrostatic interaction of several streamers becomes evident through theoretical investigations of a periodic array of streamers.

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Cathode-directed Streamer Development in Air at Different Pressures

Cited by 7 publications

References 5 publications

Spatiotemporally resolved imaging of streamer discharges in air generated in a wire-cylinder reactor with (sub)nanosecond voltage pulses

Spatiotemporally resolved imaging of streamer discharges in air generated in a wire-cylinder reactor with (sub)nanosecond voltage pulses

Experimental setup for temporally and spatially resolved ICCD imaging of (sub)nanosecond streamer plasma

3D properties of pulsed corona streamers

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