2D simulations of short-pulsed dielectric barrier discharge xenon excimer lamp

E. A. Bogdanov, A. A. Kudryavtsev, R. R. Arslanbekov

Результат исследований: Научные публикации в периодических изданияхстатья

15 Цитирования (Scopus)

Выдержка

Self-consistent two-dimensional (2D) simulations of short-pulsed dielectric barrier discharge (DBD) in pure xenon have been performed. It is shown that during short current pulse the traversal inhomogeneity of the plasma parameters can be important only at the end of the current pulse as an edge effect close to the side walls. During the current pulse, the gap voltage drops until the ionization wave reaches the cathode so the current in the cathode sheath is the displacement current. This means that almost all of the absorbed power is deposited into excitation of xenon atoms and not to the ion heating in the cathode sheath as in the traditional glow discharges. This fact is one of the reasons of high efficiency of short-pulsed DBD. The developed model allows one to estimate the temporal position of the plasma-sheath boundary.

Язык оригиналаанглийский
Страницы (с-по)807-816
Число страниц10
ЖурналContributions to Plasma Physics
Том46
Номер выпуска10
DOI
СостояниеОпубликовано - 28 дек 2006

Отпечаток

excimers
xenon
luminaires
cathodes
sheaths
simulation
pulses
plasma sheaths
glow discharges
inhomogeneity
ionization
heating
electric potential
estimates
excitation
atoms
ions

Предметные области Scopus

  • Физика конденсатов

Цитировать

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2D simulations of short-pulsed dielectric barrier discharge xenon excimer lamp. / Bogdanov, E. A.; Kudryavtsev, A. A.; Arslanbekov, R. R.

В: Contributions to Plasma Physics, Том 46, № 10, 28.12.2006, стр. 807-816.

Результат исследований: Научные публикации в периодических изданияхстатья

TY - JOUR

T1 - 2D simulations of short-pulsed dielectric barrier discharge xenon excimer lamp

AU - Bogdanov, E. A.

AU - Kudryavtsev, A. A.

AU - Arslanbekov, R. R.

PY - 2006/12/28

Y1 - 2006/12/28

N2 - Self-consistent two-dimensional (2D) simulations of short-pulsed dielectric barrier discharge (DBD) in pure xenon have been performed. It is shown that during short current pulse the traversal inhomogeneity of the plasma parameters can be important only at the end of the current pulse as an edge effect close to the side walls. During the current pulse, the gap voltage drops until the ionization wave reaches the cathode so the current in the cathode sheath is the displacement current. This means that almost all of the absorbed power is deposited into excitation of xenon atoms and not to the ion heating in the cathode sheath as in the traditional glow discharges. This fact is one of the reasons of high efficiency of short-pulsed DBD. The developed model allows one to estimate the temporal position of the plasma-sheath boundary.

AB - Self-consistent two-dimensional (2D) simulations of short-pulsed dielectric barrier discharge (DBD) in pure xenon have been performed. It is shown that during short current pulse the traversal inhomogeneity of the plasma parameters can be important only at the end of the current pulse as an edge effect close to the side walls. During the current pulse, the gap voltage drops until the ionization wave reaches the cathode so the current in the cathode sheath is the displacement current. This means that almost all of the absorbed power is deposited into excitation of xenon atoms and not to the ion heating in the cathode sheath as in the traditional glow discharges. This fact is one of the reasons of high efficiency of short-pulsed DBD. The developed model allows one to estimate the temporal position of the plasma-sheath boundary.

KW - Dielectric barrier discharge

KW - Excimer lamp

KW - Simulation

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