期刊
JOURNAL OF APPLIED PHYSICS
卷 109, 期 2, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3532055
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资金
- Fundacao para a Ciencia e a Tecnologia, of the Portuguese Ministry of Science, Technology, and Higher Education, under a contract of Associated Laboratory with the Instituto de Plasmas e Fusao Nuclear of Instituto Superior Tecnico
The spatial structure of a microwave plasma torch driven by an azimuthally symmetric surface wave operating in a N-2-Ar mixture at atmospheric pressure is investigated. A two-dimensional (2D) self-consistent theoretical model is developed to investigate the entire spatial structure of the source, including the discharge zone, sustained by the field of the surface TM00 mode, and the postdischarge plasma. Maxwell's equations, the rate balance equations for the most important excited species-vibrationally and electronically excited states, ions and nitrogen atoms N(S-4)-and the Boltzmann equation for electrons are consistently solved. Model calculations of the 2D spatial distributions of species of interest such as charged particles (electrons and positive ions), N-2(X 1 Sigma(+)(g), u) vibrationally excited molecules, N-2(A (3)Sigma(+)(u)) metastable molecules, and N(S-4) ground state atoms are presented and discussed. (C) 2011 American Institute of Physics. [doi:10.1063/1.3532055]
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