About: Spectroscopic Characterization of a Steam Arc Cutting 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	Optical emission spectroscopy has been used to investigate the characteristics of a plasma jet produced by a steam arc cutting torch operated in air at atmospheric pressure. A procedure has been developed for simultaneous determination of temperature and pressure in the plasma jet as well as an effective nonequilibrium factor. It is based on comparison of a few experimental and simulated spectral quantities. The experimental data were obtained from the spectrum of Hβ and OII lines centred at 480 nm. The existence of the shock wave structure characteristic of an underexpanded jet can clearly be deduced from the measured properties. In the first expansion region, the centreline pressure drops from about 1.4 atm at the nozzle exit to about 0.7 atm a few tenths of millimeter downstream. On the contrary, the centreline temperature remains almost unchanged within this region and reaches the value of about 23 000 K Optical emission spectroscopy has been used to investigate the characteristics of a plasma jet produced by a steam arc cutting torch operated in air at atmospheric pressure. A procedure has been developed for simultaneous determination of temperature and pressure in the plasma jet as well as an effective nonequilibrium factor. It is based on comparison of a few experimental and simulated spectral quantities. The experimental data were obtained from the spectrum of Hβ and OII lines centred at 480 nm. The existence of the shock wave structure characteristic of an underexpanded jet can clearly be deduced from the measured properties. In the first expansion region, the centreline pressure drops from about 1.4 atm at the nozzle exit to about 0.7 atm a few tenths of millimeter downstream. On the contrary, the centreline temperature remains almost unchanged within this region and reaches the value of about 23 000 K (en)
Title	Spectroscopic Characterization of a Steam Arc Cutting Torch Spectroscopic Characterization of a Steam Arc Cutting Torch (en)
skos:prefLabel	Spectroscopic Characterization of a Steam Arc Cutting Torch Spectroscopic Characterization of a Steam Arc Cutting Torch (en)
skos:notation	RIV/61389021:_____/11:00366111!RIV12-AV0-61389021
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GAP205/11/2070), Z(AV0Z20430508)
http://linked.open...iv/cisloPeriodika	5
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Sember, Viktor Mašláni, Alan Křenek, Petr Hrabovský, Milan
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	231385
http://linked.open...ai/riv/idVysledku	RIV/61389021:_____/11:00366111
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Plasma cutting; Optical emission spectroscopy; Steam arc; Supersonic plasma jet (en)
http://linked.open.../riv/klicoveSlovo	Plasma cutting Steam arc Supersonic plasma jet Optical emission spectroscopy
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[7C32BE641A94]
http://linked.open...i/riv/nazevZdroje	Plasma Chemistry and Plasma Processing
http://linked.open...in/vavai/riv/obor	BL
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Interaction of steam plasma jet with solids, liquids and gases in low pressure and gasification reactors
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	31
http://linked.open...iv/tvurceVysledku	Hrabovský, Milan Křenek, Petr Mašláni, Alan Sember, Viktor Pauser, H. Heinrich, M. Nimmervoll, R.
http://linked.open...ain/vavai/riv/wos	000300100900010
http://linked.open...n/vavai/riv/zamer	Physical and chemical processes in plasmas and theis applications
issn	0272-4324
number of pages	16 (xsd:int)
http://bibframe.org/vocab/doi	10.1007/s11090-011-9312-5

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