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International Journal for Multiscale Computational Engineering
Facteur d'impact: 1.016 Facteur d'impact sur 5 ans: 1.194 SJR: 0.554 SNIP: 0.68 CiteScore™: 1.18

ISSN Imprimer: 1543-1649
ISSN En ligne: 1940-4352

International Journal for Multiscale Computational Engineering

DOI: 10.1615/IntJMultCompEng.v4.i2.40
pages 233-242

Self-consistent Particle Model of Discharge Plasmas in Hydrogen

Savino Longo
Dipartimento di Chimica dell'Universitá di Bari, and IMIP/CNR, Via Orabona 4, 70126 Bari, Italy
Mario Capitelli
Dipartimento di Chimica, Universita di Bari, via Orabona n. 4, 70126 Bari, Italy; IMIP-CNR, sect Bari, via Orabona n. 4, 70126 Ban, Italy
P. Diomede
Dipartimento di Chimica dell'Universitá di Bari, Via Orabona 4, 70126 Bari, Italy

RÉSUMÉ

We describe a mixed particle/continuum model for discharge plasmas in molecular gases developed by our group, which couples a particle description of the plasma phase with the diffusion/reaction kinetics of atoms and molecules in the gas phase. In particular, we focus on hydrogen plasma, in view of the interesting negative ion kinetics. The model includes an improved treatment of ion kinetics, which incorporates original solutions for specific problems of multiple time scale kinetics. Results obtained for a parallel plate, radio frequency discharge considered as a test case are discussed, also in comparison with fluid code results.


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