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高温材料处理:国际期刊

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ISSN 打印: 1093-3611

ISSN 在线: 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

Indexed in

STUDY OF NON-THERMAL AC ARC

卷 5, 册 3, 2001, 14 pages
DOI: 10.1615/HighTempMatProc.v5.i3.120
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摘要

A numerical model has been developed to calculate properties of non-thermal arc produced between two pointed electrodes. The model consists in solution of continuity electron equation and electron and heavy particles energy equations. The ratio between electron temperature and heavy particles temperature is about 5. The electric conductivity for these temperatures is 1.4 S/m and calculated with equilibrium assumption is 250 S/m. Joule heat is transferred in elastic collisions with heavy particles. The energy of heavy particles is dissipated by thermal conductivity. The results for electron and heavy particles temperatures as well as electron density are presented for argon arc with current of 240 mA, voltage of 210 V and 28 mm electrode spacing. Careful experimental and theoretical observations reveal that the influence of non-equilibrium on re-ignition of the arc after zero current is very important.

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