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

Publication de 4  numéros par an

ISSN Imprimer: 1093-3611

ISSN En ligne: 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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ATOMIC RECOMBINATION AND ENERGY BALANCE IN A DECAYING COLUMN OF HOT HYDROGEN GAS

Volume 5, Numéro 4, 2001, 16 pages
DOI: 10.1615/HighTempMatProc.v5.i4.70
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RÉSUMÉ

The spatial and temporal evolution of the concentration of atomic radicals [H] in a high-temperature hydrogen gas column has been evaluated, assuming constant pressures in the range from 0,25 to 1.0 bar (1 bar = 105 Pa) and temperature decaying by heat conduction while energy is released by the termolecular recombination processes. The initial concentration [H], assumed to correspond to thermal equilibrium at 5000 К, would increase with .pressure, but the recombination also becomes faster with increasing pressure. As a result, high concentration of atomic radicals rapidly becomes favoured by lower gas pressure after the temperature has decayed for a certain time. Also, operation at lower pressures would make the decay of [H] radicals less dependent upon the radius of the gas column.

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