Publicação

Self-organization in dc glow microdischarges in krypton: modelling and experiments

Detalhes bibliográficos
Resumo:	Self-organized patterns of cathodic spots have been observed in microdischarges operated in xenon, but not in other gases. However, modelling has indicated that it is, in principle, possible to observe the patterns of spots in discharges operated in other gases provided that experimental conditions, in particular pressure, are right. In this work, self-organized patterns of cathodic spots are for the first time observed in dc glow microdischarges operated in a gas other than xenon: krypton. The experiments have been guided by the modelling. According to both the experiment and the modelling, patterns in krypton are similar to those found earlier in xenon, however occur at higher pressures.
Autores principais:	Zhu, W.
Outros Autores:	Niraula, P.; Almeida, P. G. C.; Benilov, M. S.; Santos, D. F. N.
Assunto:	Glow discharges Self-organization Multiple solutions Bifurcations . Faculdade de Ciências Exatas e da Engenharia
Ano:	2014
País:	Portugal
Tipo de documento:	artigo
Tipo de acesso:	acesso aberto
Instituição associada:	Universidade da Madeira
Idioma:	inglês
Origem:	DigitUMa - Repositório da Universidade da Madeira

Descrição
Resumo:	Self-organized patterns of cathodic spots have been observed in microdischarges operated in xenon, but not in other gases. However, modelling has indicated that it is, in principle, possible to observe the patterns of spots in discharges operated in other gases provided that experimental conditions, in particular pressure, are right. In this work, self-organized patterns of cathodic spots are for the first time observed in dc glow microdischarges operated in a gas other than xenon: krypton. The experiments have been guided by the modelling. According to both the experiment and the modelling, patterns in krypton are similar to those found earlier in xenon, however occur at higher pressures.

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