Temperature measurement of plasma-assisted flames: comparison between optical emission spectroscopy and 2-color laser induced fluorescence techniques

Deanna A. Lacoste; Sylvain A. Heitz; Jonas P. Moeck

Temperature measurement of plasma-assisted flames: comparison between optical emission spectroscopy and 2-color laser induced fluorescence techniques

Deanna A. Lacoste, Sylvain A. Heitz, Jonas P. Moeck

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Accurate thermometry of highly reactive environments, such as plasma-assisted combustion, is challenging. With the help of conical laminar premixed methane-air flames, this study compares two thermometry techniques for the temperature determination in a combustion front enhanced by nanosecond repetitively pulsed (NRP) plasma discharges. Based on emission spectroscopic analysis, the results show that the rotational temperature of CH(A) gives a reasonable estimate for the adiabatic flame temperature, only for lean and stoichiometric conditions. The rotational temperature of N2(C) is found to significantly underestimate the flame temperature. The 2-color OH-PLIF technique gives correct values of the flame temperature.

Original language	English (US)
Title of host publication	Proceedings of the European Combustion Meeting 2015
State	Published - Mar 30 2015
Externally published	Yes

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01

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https://repository.kaust.edu.sa/bitstream/10754/581469/1/P3-06.pdf

Cite this

@inproceedings{f054d2666a1c4038a819370283de82fb,

title = "Temperature measurement of plasma-assisted flames: comparison between optical emission spectroscopy and 2-color laser induced fluorescence techniques",

abstract = "Accurate thermometry of highly reactive environments, such as plasma-assisted combustion, is challenging. With the help of conical laminar premixed methane-air flames, this study compares two thermometry techniques for the temperature determination in a combustion front enhanced by nanosecond repetitively pulsed (NRP) plasma discharges. Based on emission spectroscopic analysis, the results show that the rotational temperature of CH(A) gives a reasonable estimate for the adiabatic flame temperature, only for lean and stoichiometric conditions. The rotational temperature of N2(C) is found to significantly underestimate the flame temperature. The 2-color OH-PLIF technique gives correct values of the flame temperature.",

author = "Lacoste, {Deanna A.} and Heitz, {Sylvain A.} and Moeck, {Jonas P.}",

note = "KAUST Repository Item: Exported on 2020-10-01",

year = "2015",

month = mar,

day = "30",

language = "English (US)",

booktitle = "Proceedings of the European Combustion Meeting 2015",

}

TY - GEN

T1 - Temperature measurement of plasma-assisted flames: comparison between optical emission spectroscopy and 2-color laser induced fluorescence techniques

AU - Lacoste, Deanna A.

AU - Heitz, Sylvain A.

AU - Moeck, Jonas P.

N1 - KAUST Repository Item: Exported on 2020-10-01

PY - 2015/3/30

Y1 - 2015/3/30

N2 - Accurate thermometry of highly reactive environments, such as plasma-assisted combustion, is challenging. With the help of conical laminar premixed methane-air flames, this study compares two thermometry techniques for the temperature determination in a combustion front enhanced by nanosecond repetitively pulsed (NRP) plasma discharges. Based on emission spectroscopic analysis, the results show that the rotational temperature of CH(A) gives a reasonable estimate for the adiabatic flame temperature, only for lean and stoichiometric conditions. The rotational temperature of N2(C) is found to significantly underestimate the flame temperature. The 2-color OH-PLIF technique gives correct values of the flame temperature.

AB - Accurate thermometry of highly reactive environments, such as plasma-assisted combustion, is challenging. With the help of conical laminar premixed methane-air flames, this study compares two thermometry techniques for the temperature determination in a combustion front enhanced by nanosecond repetitively pulsed (NRP) plasma discharges. Based on emission spectroscopic analysis, the results show that the rotational temperature of CH(A) gives a reasonable estimate for the adiabatic flame temperature, only for lean and stoichiometric conditions. The rotational temperature of N2(C) is found to significantly underestimate the flame temperature. The 2-color OH-PLIF technique gives correct values of the flame temperature.

UR - http://hdl.handle.net/10754/581469

UR - http://www.ecm2015.hu/papers/P3-06.pdf

M3 - Conference contribution

BT - Proceedings of the European Combustion Meeting 2015

ER -

Temperature measurement of plasma-assisted flames: comparison between optical emission spectroscopy and 2-color laser induced fluorescence techniques

Abstract

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