TITLE

Discharge dynamics of pin-to-plate dielectric barrier discharge at atmospheric pressure

AUTHOR(S)
Sun, Liqun; Huang, Xiaojiang; Zhang, Jie; Zhang, Jing; Shi, J. J.
PUB. DATE
November 2010
SOURCE
Physics of Plasmas;Nov2010, Vol. 17 Issue 11, p113507
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The discharge dynamics of pin-to-plate dielectric barrier discharge was studied in atmospheric helium at 20 kHz. The discharge was predominately ignited in positive half cycle of applied voltage with sinusoidal waveform. The temporal evolution of the discharge was investigated vertically along the discharge gap and radically on the dielectric surface by time resolved imaging. It is found that a discharge column with a diameter of 2 mm was ignited above the pin electrode and expanded toward a plate electrode. On the dielectric surface with space charge accumulation, plasma disk in terms of plasma ring was formed with radius up to 25 mm. The expansion velocity of plasma ring can reach a hypersonic speed of 3.0 km/s. The ionization wave due to electron diffusion is considered to be the mechanism for plasma ring formation and dynamics.
ACCESSION #
55509494

 

Related Articles

  • Plasma formation in atmospheric pressure helium discharges under different background air pressures. Liu, Yaoge; Hao, Yanpeng; Zheng, Bin // Physics of Plasmas;Sep2012, Vol. 19 Issue 9, p093506 

    Atmospheric pressure glow discharges generated between parallel-plate electrodes in helium have been characterized using temporally resolved emission spectra. The variation of typical spectral lines over time has been analyzed. In helium with a low concentration of N2, the emission of He at...

  • Spatio-temporal development of microdischarges in a surface barrier discharge arrangement in air at atmospheric pressure. Grosch, H.; Hoder, T.; Weltmann, K.-D.; Brandenburg, R. // European Physical Journal D -- Atoms, Molecules, Clusters & Opti;Dec2010, Vol. 60 Issue 3, p547 

    The spatio-temporal development of single microdischarges in an asymmetric surface barrier discharge arrangement was investigated. The arrangement consisted of two needle electrodes laid on a dielectric plate. The discharge was operated in dry air at atmospheric pressure with a sinusoidal...

  • Nonequilibrium state of highly ionized helium plasma at atmospheric pressure. Isakaev, E.; Chinnov, V.; Sargsyan, M.; Kavyrshin, D. // High Temperature;Mar2013, Vol. 51 Issue 2, p141 

    A spectral study of arc helium plasma of atmospheric pressure with the electron density n ≤ 10 cm and the ionization degree of ∼0.25 is performed. The character of the population of HeI levels with the excitation energy of 20.96-24.04 eV, which indicates infeasibility of the Boltzmann...

  • Comparative study on the atmospheric pressure plasma jets of helium and argon. Shao, Xian-Jun; Jiang, Nan; Zhang, Guan-Jun; Cao, Ze-xian // Applied Physics Letters;12/17/2012, Vol. 101 Issue 25, p253509 

    Formation mechanisms for atmospheric pressure plasma jets (APPJ) of He and Ar are investigated by comparing the discharge current, light emission from jet, and time-resolved image of the discharge. A longer jet of He (Ar) is available with active (ground) electrode sitting at downstream side....

  • Development of a dielectric barrier discharge enhanced plasma jet in atmospheric pressure air. Li, Xuechen; Chang, Yuanyuan; Jia, Pengying; Xu, Longfei; Fang, Tongzhen; Wang, Long // Physics of Plasmas;Sep2012, Vol. 19 Issue 9, p093504 

    A plasma jet equipped with dielectric barrier discharge (DBD) is developed to generate diffuse air plasma with fairly large gap and cross sectional area. The diffuse air plasma has two discharge modes under different gap widths from the nozzle to the ground plate electrode. For large gap width,...

  • Simulation of a wire-cylinder-plate positive corona discharge in nitrogen gas at atmospheric pressure. Martins, Alexandre A. // Physics of Plasmas;Jun2012, Vol. 19 Issue 6, p063502 

    In this work, we are going to perform a simulation of a wire-cylinder-plate positive corona discharge in nitrogen gas, and compare our results with already published experimental results in air for the same structure. We have chosen to simulate this innovative geometry because it has been...

  • ON ANALYSIS OF COMPLEX ELECTRO CHEMICAL PROCESSES. LUKOMSKIY, Yu. Ya. // Izvestiya Vysshikh Uchebnykh Zavedenii. Seriya Khimiya i Khimich;2012, Vol. 55 Issue 3, p116 

    The letter aim is to show that in complex electrode reactions the rates of elementary consecutive processes are interconnected in the general case. That processes can be described with reaction parameters of discharge-ionization at various elementary limiting steps.

  • ON ANALYSIS OF COMPLEX ELECTRO CHEMICAL PROCESSES. LUKOMSKIY, Yu. Ya. // Izvestiya Vysshikh Uchebnykh Zavedenii. Seriya Khimiya i Khimich;2012, Vol. 55 Issue 3, p126 

    The letter aim is to show that in complex electrode reactions the rates of elementary consecutive processes are interconnected in the general case. That processes can be described with reaction parameters of discharge-ionization at various elementary limiting steps.

  • Periodic plasma structures in nanosecond discharge with a slit cathode. Ashurbekov, N. A.; Iminov, K. O.; Kobzev, O. V.; Kobzeva, V. S. // Technical Physics Letters;Aug2010, Vol. 36 Issue 8, p766 

    The spatial structure of optical emission from a transverse nanosecond pulsed electric discharge with a hollow (slit) cathode has been experimentally studied. A regular periodic plasma structure has been observed during nanosecond pulsed discharge in helium at medium pressures. Conditions of the...

Share

Read the Article

Courtesy of THE LIBRARY OF VIRGINIA

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics