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Statements

Subject Item
n2:RIV%2F00216305%3A26310%2F09%3APU84033%21RIV10-GA0-26310___
rdf:type
n20:Vysledek skos:Concept
dcterms: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.
dcterms: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
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
skos:notation
RIV/00216305:26310/09:PU84033!RIV10-GA0-26310___
n3:aktivita
n18:P
n3:aktivity
P(GA202/08/1106), P(GD104/09/H080)
n3:dodaniDat
n4:2010
n3:domaciTvurceVysledku
n21:2888165 n21:7098634
n3:druhVysledku
n10:D
n3:duvernostUdaju
n19:S
n3:entitaPredkladatele
n15:predkladatel
n3:idSjednocenehoVysledku
318791
n3:idVysledku
RIV/00216305:26310/09:PU84033
n3:jazykVysledku
n8:eng
n3:klicovaSlova
nitrogen pink afterglow, numeric simulation, optical emission spectroscopy
n3:klicoveSlovo
n14:numeric%20simulation n14:optical%20emission%20spectroscopy n14:nitrogen%20pink%20afterglow
n3:kontrolniKodProRIV
[A3A8D00C6B97]
n3:mistoKonaniAkce
Sofia
n3:mistoVydani
Sofia
n3:nazevZdroje
Proceedings of 36th European Physical Society Conference on Plasma Physics
n3:obor
n7:BL
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
5
n3:projekt
n5:GA202%2F08%2F1106 n5:GD104%2F09%2FH080
n3:rokUplatneniVysledku
n4:2009
n3:tvurceVysledku
Soural, Ivo Guerra, Vasco Lino da Silva, M. Krčma, František Sá, Paul
n3:typAkce
n6:WRD
n3:zahajeniAkce
2009-06-29+02:00
s:numberOfPages
4
n16:hasPublisher
EPS
n17:isbn
2-914771-61-4
n12:organizacniJednotka
26310