| TESTRICH, Holger, Dirk PASEDAG, Zdeněk NAVRÁTIL, B. MAY, Rene REIMER, Christian WILKE a Hans-Erich WAGNER. Investigations on the stability of the low pressure positive column in oxygen. Journal of Physics D: Applied Physics. Bristol, England: IOP Publishing Ltd., 2009, roč. 42, č. 14, s. 145207-145216. ISSN 0022-3727. |
Další formáty:
BibTeX
LaTeX
RIS
@article{839707,
author = {Testrich, Holger and Pasedag, Dirk and Navrátil, Zdeněk and May, B. and Reimer, Rene and Wilke, Christian and Wagner, HansandErich},
article_location = {Bristol, England},
article_number = {14},
keywords = {instability;glow discharge;positive column;oxygen;waves},
language = {eng},
issn = {0022-3727},
journal = {Journal of Physics D: Applied Physics},
title = {Investigations on the stability of the low pressure positive column in oxygen},
url = {http://dx.doi.org/10.1088/0022-3727/42/14/145207},
volume = {42},
year = {2009}
}
TY - JOUR
ID - 839707
AU - Testrich, Holger - Pasedag, Dirk - Navrátil, Zdeněk - May, B. - Reimer, Rene - Wilke, Christian - Wagner, Hans-Erich
PY - 2009
TI - Investigations on the stability of the low pressure positive column in oxygen
JF - Journal of Physics D: Applied Physics
VL - 42
IS - 14
SP - 145207
EP - 145207
PB - IOP Publishing Ltd.
SN - 00223727
KW - instability;glow discharge;positive column;oxygen;waves
UR - http://dx.doi.org/10.1088/0022-3727/42/14/145207
N2 - The stability of low pressure positive column in oxygen was investigated. The studied H- to T-mode transition showed a marked hysteresis in the E(I) characteristics which is affected by wall processes. At small discharge current the el. field showed a significant modulation, characterized by incoherent fluctuations with a broadband Fourier spectrum. With increasing current the discharge operates in the T-mode, where a mode selection with high modulation degree occurred, resulting in a periodic oscillation of the electric field at a discrete frequency spectrum. The dynamic state in the T-mode is expressed by T-waves moving from the cathode to the anode. The stability was studied using a hydrodynamic model considering electrons, positive and negative ions as well as metastable O2 molecules. In good agreement with the experiments the transition was explained as a linear unstable equilibrium state where the energy dependence of the corresponding rate coefficients is the driving mechanism.
ER -
TESTRICH, Holger, Dirk PASEDAG, Zdeněk NAVRÁTIL, B. MAY, Rene REIMER, Christian WILKE a Hans-Erich WAGNER. Investigations on the stability of the low pressure positive column in oxygen. \textit{Journal of Physics D: Applied Physics}. Bristol, England: IOP Publishing Ltd., 2009, roč.~42, č.~14, s.~145207-145216. ISSN~0022-3727.
|
