Studies of a fuel-rich propane flame with photoionization mass spectrometry

Flame-sampling photoionization mass spectrometry, using continuously tunable synchrotron radiation, offers important advantages for studies of flame chemistry. Mole fraction profile measurements for 24 flame species are presented for a fuel-rich low-pressure premixed laminar C 3H 8/O 2/Ar flame. Nea...

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Veröffentlicht in:Proceedings of the Combustion Institute 2005-01, Vol.30 (1), p.1681-1688
Hauptverfasser: Cool, Terrill A., Nakajima, Koichi, Taatjes, Craig A., McIlroy, Andrew, Westmoreland, Phillip R., Law, Matthew E., Morel, Aude
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container_end_page 1688
container_issue 1
container_start_page 1681
container_title Proceedings of the Combustion Institute
container_volume 30
creator Cool, Terrill A.
Nakajima, Koichi
Taatjes, Craig A.
McIlroy, Andrew
Westmoreland, Phillip R.
Law, Matthew E.
Morel, Aude
description Flame-sampling photoionization mass spectrometry, using continuously tunable synchrotron radiation, offers important advantages for studies of flame chemistry. Mole fraction profile measurements for 24 flame species are presented for a fuel-rich low-pressure premixed laminar C 3H 8/O 2/Ar flame. Near-threshold photoionization efficiency measurements provide selective detection of individual isomers and unambiguous identifications of other flame species of near-equal mass. The absolute molar composition of the allene and propyne isomers of C 3H 4 was determined. Absolute cross-sections for photoionization of C 2H 2, C 2H 4, CH 3OH, C 3H 4 (propyne), CH 3CHO, (CH 3) 2CO, and C 6H 6 were used to determine molecular beam mass discrimination factors valid for ion masses ranging from 26 to 78 amu.
doi_str_mv 10.1016/j.proci.2004.08.103
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source Elsevier ScienceDirect Journals Complete
subjects 10 SYNTHETIC FUELS
CHEMISTRY
COMBUSTION
INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
KINETICS
Mass spectrometry
OXIDATION
Photoionization
Premixed laminar flame
title Studies of a fuel-rich propane flame with photoionization mass spectrometry
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