About: Effect of pressure on behavior of anode attachment of dc arc plasma torch

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Anode attachment region of dc arc in hybrid argon/water plasma torch was studied at different ambient pressures. Anode region was photographed by CCD camera and voltage fluctuations, caused by anode attachment movement in a restrike mode, were measured by high frequency voltage dividers. The velocity of downstream movement of anode attachment increased with the reduction of pressure and the position of the attachment was shifted counter-stream-wise. The amplitude as well as the frequency of saw-tooth voltage fluctuations was reduced with decreasing pressure. For ambient pressures lower than 30 kPa the constricted anode attachment was not observed and the anode region has diffuse character. The change of anode attachment regime coincides with change of character of the jet flow from subsonic to supersonic. The measured dependences are explained by changes in the sheath between the plasma jet and the anode surface. Anode attachment region of dc arc in hybrid argon/water plasma torch was studied at different ambient pressures. Anode region was photographed by CCD camera and voltage fluctuations, caused by anode attachment movement in a restrike mode, were measured by high frequency voltage dividers. The velocity of downstream movement of anode attachment increased with the reduction of pressure and the position of the attachment was shifted counter-stream-wise. The amplitude as well as the frequency of saw-tooth voltage fluctuations was reduced with decreasing pressure. For ambient pressures lower than 30 kPa the constricted anode attachment was not observed and the anode region has diffuse character. The change of anode attachment regime coincides with change of character of the jet flow from subsonic to supersonic. The measured dependences are explained by changes in the sheath between the plasma jet and the anode surface. (en)
Title	Effect of pressure on behavior of anode attachment of dc arc plasma torch Effect of pressure on behavior of anode attachment of dc arc plasma torch (en)
skos:prefLabel	Effect of pressure on behavior of anode attachment of dc arc plasma torch Effect of pressure on behavior of anode attachment of dc arc plasma torch (en)
skos:notation	RIV/61389021:_____/05:00374713!RIV12-AV0-61389021
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA202/05/0669), Z(AV0Z20430508)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Hrabovský, Milan Konrád, Miloš Kopecký, Vladimír Chumak, Oleksiy Kavka, Tetyana
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyziky plazmatu AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	519401
http://linked.open...ai/riv/idVysledku	RIV/61389021:_____/05:00374713
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	arc anode; dc arc jet; anode restrike; low pressure (en)
http://linked.open.../riv/klicoveSlovo	dc arc jet anode restrike arc anode low pressure
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[360C3B33F1E8]
http://linked.open...i/riv/nazevZdroje	High Temperature Materials and Processes
http://linked.open...in/vavai/riv/obor	BL
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Expanding supersonic plasma jet generated in dc water-stabilized arcs
http://linked.open...UplatneniVysledku	2005
http://linked.open...v/svazekPeriodika	9
http://linked.open...iv/tvurceVysledku	Chumak, Oleksiy Hrabovský, Milan Kavka, Tetyana Konrád, Miloš Kopecký, Vladimír
http://linked.open...ain/vavai/riv/wos	000231634100006
http://linked.open...n/vavai/riv/zamer	Physical and chemical processes in plasmas and theis applications
issn	1093-3611
number of pages	10 (xsd:int)
http://bibframe.org/vocab/doi	10.1615/HighTempMatProc.v9.i3.60

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