About: Effect of Fluctuations of DC Current on Properties of Plasma Jet Generated in Plasma Spraying Torch with Gerdien Arc

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About: Effect of Fluctuations of DC Current on Properties of Plasma Jet Generated in Plasma Spraying Torch with Gerdien Arc Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Two different power supplies used for dc arc plasma spraying unit with water stabilized plasma torch were compared - classical thyristor controlled unit with the frequency of the current ripple 300 Hz and the rectifier with the high frequency converter and frequency of the current modulation 30 kHz. For the both types of power supply the arc characteristics were measured, time averaged plasma jet properties were determined from spectroscopic measurements and plasma jet fluctuations were analysed on the basis of diagnostics with an array of high frequency photodiodes. The properties of coatings sprayed with the two power supplies were compared. While time averaged profiles of plasma jet were the same for the both power supplies, the fluctuations of plasma jet differed substantially. Also the dynamic arc voltage characteristics of the arc were different and could be described by modified Cassie equation. The differences of properties of TiO2 coatings were not significant. Two different power supplies used for dc arc plasma spraying unit with water stabilized plasma torch were compared - classical thyristor controlled unit with the frequency of the current ripple 300 Hz and the rectifier with the high frequency converter and frequency of the current modulation 30 kHz. For the both types of power supply the arc characteristics were measured, time averaged plasma jet properties were determined from spectroscopic measurements and plasma jet fluctuations were analysed on the basis of diagnostics with an array of high frequency photodiodes. The properties of coatings sprayed with the two power supplies were compared. While time averaged profiles of plasma jet were the same for the both power supplies, the fluctuations of plasma jet differed substantially. Also the dynamic arc voltage characteristics of the arc were different and could be described by modified Cassie equation. The differences of properties of TiO2 coatings were not significant. (en)
Title	Effect of Fluctuations of DC Current on Properties of Plasma Jet Generated in Plasma Spraying Torch with Gerdien Arc Effect of Fluctuations of DC Current on Properties of Plasma Jet Generated in Plasma Spraying Torch with Gerdien Arc (en)
skos:prefLabel	Effect of Fluctuations of DC Current on Properties of Plasma Jet Generated in Plasma Spraying Torch with Gerdien Arc Effect of Fluctuations of DC Current on Properties of Plasma Jet Generated in Plasma Spraying Torch with Gerdien Arc (en)
skos:notation	RIV/61389021:_____/09:00330834!RIV10-AV0-61389021
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(AV0Z20430508)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Ctibor, Pavel Sember, Viktor Mašláni, Alan Hrabovský, Milan 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	312101
http://linked.open...ai/riv/idVysledku	RIV/61389021:_____/09:00330834
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Plasma torch; dc arc; plasma jet; fluctuations; plasma spraying (en)
http://linked.open.../riv/klicoveSlovo	fluctuations plasma jet plasma spraying Plasma torch dc arc
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[337730833DA1]
http://linked.open...i/riv/nazevZdroje	High Temperature Materials and Processes
http://linked.open...in/vavai/riv/obor	BL
http://linked.open...ichTvurcuVysledku	7 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	13
http://linked.open...iv/tvurceVysledku	Chumak, Oleksiy Ctibor, Pavel Hrabovský, Milan Mašláni, Alan Sember, Viktor Kavka, Tetyana Kopecký, Vladimír
http://linked.open...ain/vavai/riv/wos	000274202100011
http://linked.open...n/vavai/riv/zamer	Physical and chemical processes in plasmas and theis applications
issn	1093-3611
number of pages	12 (xsd:int)

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