{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,4]],"date-time":"2026-02-04T16:02:07Z","timestamp":1770220927452,"version":"3.49.0"},"reference-count":39,"publisher":"IOP Publishing","issue":"35","license":[{"start":{"date-parts":[[2012,8,14]],"date-time":"2012-08-14T00:00:00Z","timestamp":1344902400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/iopscience.iop.org\/page\/copyright"},{"start":{"date-parts":[[2012,8,14]],"date-time":"2012-08-14T00:00:00Z","timestamp":1344902400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/iopscience.iop.org\/info\/page\/text-and-data-mining"}],"content-domain":{"domain":["iopscience.iop.org"],"crossmark-restriction":false},"short-container-title":["J. Phys. D: Appl. Phys."],"published-print":{"date-parts":[[2012,9,5]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>Electrical characteristics of a 1\u00a0cm-long free-burning atmospheric-pressure argon arc are calculated by means of a model taking into account the existence of a near-cathode space-charge sheath and the discrepancy between the electron and heavy-particle temperatures in the arc column. The computed arc voltage exhibits a variation with the arc current <jats:italic>I<\/jats:italic> similar to the one revealed by the experiment and exceeds experimental values by no more than approximately 2\u00a0V in the current range 20\u2013175\u00a0A. The sheath contributes about two-thirds or more of the arc voltage. The LTE model predicts a different variation of the arc voltage with <jats:italic>I<\/jats:italic> and underestimates the experimental values appreciably for low currents but by no more than approximately 2\u00a0V for <jats:italic>I<\/jats:italic>\u00a0\u2273\u00a0120\u00a0A. However, the latter can hardly be considered as a proof of unimportance of the space-charge sheath at high currents: the LTE model overestimates both the resistance of the bulk of the arc column and the resistance of the part of the column that is adjacent to the cathode, and this overestimation to a certain extent compensates for the neglect of the voltage drop in the sheath. Furthermore, if the latter resistance were evaluated in the framework of the LTE model in an accurate way, then the overestimation would be still much stronger and the obtained voltage would significantly exceed those observed in the experiment.<\/jats:p>","DOI":"10.1088\/0022-3727\/45\/35\/355201","type":"journal-article","created":{"date-parts":[[2012,8,14]],"date-time":"2012-08-14T13:13:44Z","timestamp":1344950024000},"page":"355201","update-policy":"https:\/\/doi.org\/10.1088\/crossmark-policy","source":"Crossref","is-referenced-by-count":38,"title":["Sheath and arc-column voltages in high-pressure arc discharges"],"prefix":"10.1088","volume":"45","author":[{"given":"M S","family":"Benilov","sequence":"first","affiliation":[]},{"given":"L G","family":"Benilova","sequence":"additional","affiliation":[]},{"given":"He-Ping","family":"Li","sequence":"additional","affiliation":[]},{"given":"Gui-Qing","family":"Wu","sequence":"additional","affiliation":[]}],"member":"266","published-online":{"date-parts":[[2012,8,14]]},"reference":[{"key":"jphysd434466bib01","doi-asserted-by":"publisher","first-page":"R153","DOI":"10.1088\/0022-3727\/38\/9\/R01","volume":"38","author":"Gleizes","year":"2005","journal-title":"J. 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