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High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes

Publicou 4 edições por ano

ISSN Imprimir: 1093-3611

ISSN On-line: 1940-4360

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 0.4 The Immediacy Index is the average number of times an article is cited in the year it is published. The journal Immediacy Index indicates how quickly articles in a journal are cited. Immediacy Index: 0.1 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.00005 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.07 SJR: 0.198 SNIP: 0.48 CiteScore™:: 1.1 H-Index: 20

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TWO-TEMPERATURE COMBINED DIFFUSION COEFFICIENTS IN ARGON-HELIUM THERMAL PLASMAS

Volume 7, Edição 1, 2003, 8 pages
DOI: 10.1615/HighTempMatProc.v7.i1.150
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RESUMO

From the derivation of two-temperature diffusion number fluxes of species proposed by Rat et al and that of ambipolar diffusion coefficients, combined diffusion coefficients introduced by Murphy at equilibrium are extended to non-equilibrium thermal plasmas, where the kinetic temperature of electrons Te is different from that of heavy species Th.
Two-temperature ordinary and thermal combined diffusion coefficients are calculated in an argon-helium plasma at atmospheric pressure up to 30,000 К. Plasma composition is obtained using a non-equilibrium constant method. The dependence on the electron temperature of combined diffusion coefficients is analyzed for different mole percentages of argon in the mixture and for different values of the non-equilibrium parameter q = Te/Th
Similar behaviors to those obtained at equilibrium are highlighted with a decrease in the combined diffusion coefficients, at fixed electron temperature, as q increases.

CITADO POR
  1. Pfender E., Heberlein J., Heat Transfer Processes and Modeling of Arc Discharges, in Advances in Heat Transfer Volume 40, 40, 2007. Crossref

  2. Murphy Anthony B., Calculation and application of combined diffusion coefficients in thermal plasmas, Scientific Reports, 4, 1, 2015. Crossref

  3. Wang Hai-Xing, He Qing-Song, Murphy A. B., Zhu Tao, Wei Fu-Zhi, Numerical Simulation of Nonequilibrium Species Diffusion in a Low-Power Nitrogen–Hydrogen Arcjet Thruster, Plasma Chemistry and Plasma Processing, 37, 3, 2017. Crossref

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