About: The Importance of the Discharge Current in the Formation of the Pink Afterglow of a Nitrogen DC Discharge

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	In this work we have used optical emission spectroscopy to measure the (2-0) 1st positive system emission in nitrogen DC discharge at pressure p=1000 Pa, for discharge currents in the range I=50-200 mA, in a Pyrex tube with internal diameter (2R)=13 mm. It is shown that an important difference in behaviour occurs when the discharge current is increased from 50 to 70 mA. As a matter of fact, at 50 mA the pink-afterglow, characterized by the raise in the optical emission after a dark zone, does not exist, only the well known yellow-afterglow being visible. The former is a result of the vibration-vibration (V-V) up-pumping followed by vibration-to-electronic (V-E) energy exchanges, whereas the latter is a result of 3-body N-atom recombination. However, for 70 mA and higher currents the pink-afterglow exists and gets more noticeable as the current increases. In this work we have used optical emission spectroscopy to measure the (2-0) 1st positive system emission in nitrogen DC discharge at pressure p=1000 Pa, for discharge currents in the range I=50-200 mA, in a Pyrex tube with internal diameter (2R)=13 mm. It is shown that an important difference in behaviour occurs when the discharge current is increased from 50 to 70 mA. As a matter of fact, at 50 mA the pink-afterglow, characterized by the raise in the optical emission after a dark zone, does not exist, only the well known yellow-afterglow being visible. The former is a result of the vibration-vibration (V-V) up-pumping followed by vibration-to-electronic (V-E) energy exchanges, whereas the latter is a result of 3-body N-atom recombination. However, for 70 mA and higher currents the pink-afterglow exists and gets more noticeable as the current increases. (en)
Title	The Importance of the Discharge Current in the Formation of the Pink Afterglow of a Nitrogen DC Discharge The Importance of the Discharge Current in the Formation of the Pink Afterglow of a Nitrogen DC Discharge (en)
skos:prefLabel	The Importance of the Discharge Current in the Formation of the Pink Afterglow of a Nitrogen DC Discharge The Importance of the Discharge Current in the Formation of the Pink Afterglow of a Nitrogen DC Discharge (en)
skos:notation	RIV/00216305:26310/09:PU84033!RIV10-GA0-26310___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA202/08/1106), P(GD104/09/H080)
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Krčma, František Soural, Ivo
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoké učení technické v Brně / Fakulta chemická
http://linked.open...dnocenehoVysledku	318791
http://linked.open...ai/riv/idVysledku	RIV/00216305:26310/09:PU84033
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	nitrogen pink afterglow, numeric simulation, optical emission spectroscopy (en)
http://linked.open.../riv/klicoveSlovo	numeric simulation nitrogen pink afterglow optical emission spectroscopy
http://linked.open...ontrolniKodProRIV	[A3A8D00C6B97]
http://linked.open...v/mistoKonaniAkce	Sofia
http://linked.open...i/riv/mistoVydani	Sofia
http://linked.open...i/riv/nazevZdroje	Proceedings of 36th European Physical Society Conference on Plasma Physics
http://linked.open...in/vavai/riv/obor	BL
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Plasmachemical processes and their technological applications Study of nonequilibrium kinetics of plasmachemical reactions in atmospheric gases at reduced pressure for applications in analytical chemistry
http://linked.open...UplatneniVysledku	2009
http://linked.open...iv/tvurceVysledku	Krčma, František Soural, Ivo Guerra, Vasco Lino da Silva, M. Sá, Paul
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2009-06-29 (xsd:date)
number of pages	4 (xsd:int)
http://purl.org/ne...btex#hasPublisher	EPS
https://schema.org/isbn	2-914771-61-4
http://localhost/t...ganizacniJednotka	26310

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