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Statements

Subject Item
n2:RIV%2F00216305%3A26310%2F07%3APU68443%21RIV08-GA0-26310___
rdf:type
skos:Concept n19:Vysledek
dcterms:description
This contribution presents results obtained during the wide study focused on the oxygen influence to the pure nitrogen post-discharge. The DC flowing afterglow in Pyrex tube (i.d. 13 mm) at discharge current of 150 mA and pressure of 1000 Pa was studied by optical emission spectroscopy at decay times in the range of 3 - 45 ms. Many band head intensities of 1st and 2nd positive and 1st negative nitrogen spectral systems were observed as a function of oxygen concentration in the wide range from 0 up to 5000 ppm. The nitrogen pink afterglow effect was observed in all cases. Temperature during the afterglow was determined by two different ways. The first one was the direct calculation of the rotational temperature of nitrogen 1st positive 2-0 band using numeric simulation of this spectral band. The second way was the use of the ratio of band head intensities originating from 11 and 12 vibrational levels of N_2 (B ^3 Pi_g) state because these levels were populated during the afterglow mainly by the atomic Příspěvek prezentuje výsledky z rozsáhlé studie zaměřené na vliv kyslíku na dohasínající výboj v čistém dusíku. Stejnosměrný průtočný dosvit generovaný v pyrexové trubici při výbojovém proudu 150 mA a tlaku 1000 Pa byl studován optickou emisní spektroskopií v rozkladných časech 3-45 ms. Intenzity hlav mnoha pásů prvního a druhého pozitivního a prvního negativního spektrálního systému dusíku byly pozorovány jako funkce koncentrace kyslíku pro širokou oblast 0-5000 ppm. Účinek růžového dosvitu dusíku byl pozorován ve všech případech. Teplota během dosvitu byla stanovena dvěma způsoby. První způsob spočíval v přímé kalkulaci rotační teploty prvního pozitivního 2-0 pásu dusíku pomocí numerické simulace tohoto spektrálního pásu. Druhý způsob použil poměr intenzit hlav pásů pocházejících z 11. a 12. vibrační hladiny stavu N_2 (B ^3 Pi_g) , protože tyto hladiny byly obsazovány během dosvitu zejména rekombinací dusík This contribution presents results obtained during the wide study focused on the oxygen influence to the pure nitrogen post-discharge. The DC flowing afterglow in Pyrex tube (i.d. 13 mm) at discharge current of 150 mA and pressure of 1000 Pa was studied by optical emission spectroscopy at decay times in the range of 3 - 45 ms. Many band head intensities of 1st and 2nd positive and 1st negative nitrogen spectral systems were observed as a function of oxygen concentration in the wide range from 0 up to 5000 ppm. The nitrogen pink afterglow effect was observed in all cases. Temperature during the afterglow was determined by two different ways. The first one was the direct calculation of the rotational temperature of nitrogen 1st positive 2-0 band using numeric simulation of this spectral band. The second way was the use of the ratio of band head intensities originating from 11 and 12 vibrational levels of N_2 (B ^3 Pi_g) state because these levels were populated during the afterglow mainly by the atomic
dcterms:title
Light Emission and Temperatures During the DC Afterglow in Nitrogen-Oxygen Mixtures Emise záření a teploty v průběhu DC dohasínání ve směsích dusík-kyslík Light Emission and Temperatures During the DC Afterglow in Nitrogen-Oxygen Mixtures
skos:prefLabel
Emise záření a teploty v průběhu DC dohasínání ve směsích dusík-kyslík Light Emission and Temperatures During the DC Afterglow in Nitrogen-Oxygen Mixtures Light Emission and Temperatures During the DC Afterglow in Nitrogen-Oxygen Mixtures
skos:notation
RIV/00216305:26310/07:PU68443!RIV08-GA0-26310___
n4:strany
1722-1725
n4:aktivita
n15:Z n15:P
n4:aktivity
P(GA202/05/0111), Z(AV0Z20430508)
n4:dodaniDat
n8:2008
n4:domaciTvurceVysledku
n9:2888165 n9:7098634 n9:7469985
n4:druhVysledku
n5:D
n4:duvernostUdaju
n14:S
n4:entitaPredkladatele
n21:predkladatel
n4:idSjednocenehoVysledku
431058
n4:idVysledku
RIV/00216305:26310/07:PU68443
n4:jazykVysledku
n22:eng
n4:klicovaSlova
nitrogen post-discharge, pink afterglow, post-discharge kinetics, optical spectroscopy, rotational temperature
n4:klicoveSlovo
n13:nitrogen%20post-discharge n13:rotational%20temperature n13:optical%20spectroscopy n13:pink%20afterglow n13:post-discharge%20kinetics
n4:kontrolniKodProRIV
[FB423159297A]
n4:mistoKonaniAkce
Praha
n4:mistoVydani
Praha
n4:nazevZdroje
Proceedings of ICPIG XXVIII
n4:obor
n10:BL
n4:pocetDomacichTvurcuVysledku
3
n4:pocetTvurcuVysledku
4
n4:projekt
n16:GA202%2F05%2F0111
n4:rokUplatneniVysledku
n8:2007
n4:tvurceVysledku
Soural, Ivo Šimek, Milan Krčma, František Mazánková, Věra
n4:typAkce
n18:WRD
n4:zahajeniAkce
2007-07-15+02:00
n4:zamer
n12:AV0Z20430508
s:numberOfPages
4
n7:hasPublisher
Ústav fyziky plazmatu AV ČR
n11:isbn
978-80-87026-01-4
n17:organizacniJednotka
26310