Time resolved optical emission spectroscopy in power modulated atmospheric pressure plasma jet

• Autorzy: Jaroslav Hnilica , Lucia Potočňáková , Vít Kudrle
• Języki publikacji: EN

Abstrakty

EN

In this paper, the effects of the power modulation on atmospheric pressure plasma jet, operated in Ar+2%N2 mixture, are studied. Time resolved optical emission spectroscopy is used for the investigation. From line and band intensities, the excitation, vibration and rotation temperatures are calculated. Their evolution during the modulation period exhibits a strong dependence on modulation frequency. For higher modulation frequencies, there is significant discrepancy in rotational temperatures calculated from OH spectra and from N2+ spectra, which indicates that thermalisation time can reach milliseconds.

EN

Słowa kluczowe

EN

plasma jet; amplitude modulation; rotational temperature; emission spectroscopy

• Czasopismo: Open Chemistry
• Rocznik: 2015
• Tom: 13
• Numer: 1

Daty

otrzymano

2014-01-16

zaakceptowano

2014-05-29

online

2014-12-22

Twórcy

autor

Jaroslav Hnilica

• Masaryk University, Department of Physical Electronics Kotlářská 2, CZ-61137 Brno, Czech Republic

autor

Lucia Potočňáková

• Masaryk University, Department of Physical Electronics Kotlářská 2, CZ-61137 Brno, Czech Republic

autor

Vít Kudrle

• Masaryk University, Department of Physical Electronics Kotlářská 2, CZ-61137 Brno, Czech Republic

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Identyfikatory

DOI

10.1515/chem-2015-0070