1952
DOI: 10.1007/bf01331479
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Der Einflu� der Kontraktion auf den Temperatur- und Feldst�rkeverlauf vor der Kathode

Abstract: ~vVie WEIZEL, ROMPE und SCH6N gezeigt haben, h~,ngt der niedrige Kathodenfall des Lichfbogens mit der Einschnfirung der S~iule vor der Kathode zusammen, indem der Spannungsbedarf des Raumladungsgebietes mit wachsender Stromdichte bis zu einem gewissen Minimalwert absinkt. Der Obergang yore Entladungsquerschnitt der S~Lule auf denjenigen der schmalen Raumladungszone unmittelba~ vor tier IKathode erfolgt in einem ausgedehnten Bereich der Siiule, dem ,,Kontraktionsbereich", der bisher als W~irmeleitungsgebiet bez… Show more

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Cited by 26 publications
(6 citation statements)
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“…The new formula is applicable to not only thermoelectron emission but also secondary electron emission [1,2,18,34,35] and ion emission from the edge of cathode sheath in glow discharge. Moreover, in the cathode of arc discharge [36,37,38,39,40,41,42,43,44], the formula is tried to be applied for cathode fall analysis [45].…”
Section: Discussionmentioning
confidence: 99%
“…The new formula is applicable to not only thermoelectron emission but also secondary electron emission [1,2,18,34,35] and ion emission from the edge of cathode sheath in glow discharge. Moreover, in the cathode of arc discharge [36,37,38,39,40,41,42,43,44], the formula is tried to be applied for cathode fall analysis [45].…”
Section: Discussionmentioning
confidence: 99%
“…The cathode region plays a dominant role in controlling many properties of an electric arc, but the physics of the arc cathode is poorly understood. As discussed by Ecker (1961) and others, this poor understanding is due mainly to the fact that the behaviour of arc cathodesisdetermined by the mutual interplay between several physical processes. Not all of these processes are themselves well understood, and it is even more difficult to explain their interaction in a satisfactory way.…”
Section: Introductionmentioning
confidence: 99%
“…In addition, they subdivide the space charge region into four subregions and make a thorough investigation of them and the entire onedimensional region as a whole. They assume a realistic cathode jet flow pattern and take convective heat transfer into account which has been neglected in previous analyses [4][5][6].…”
Section: Spot Formation At the Anode Oi High Intensity Arcsmentioning
confidence: 99%
“…The axis of the arc is normal to the plane anode and the arc column is confined by a coaxial cooled constrictor tube. Similar to the cathode region described in [4][5][6][7][8], the anode region is subdivided into three distmctively different zones-the contraction, space charge, and the anode surface zone.…”
Section: The Analytical Modelmentioning
confidence: 99%
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