Spatially Resolved Vibrational Temperature Profiles in Flames From Molecular Absorption Spectroscopy

Carmen W K Huie; Edward S. Yeung

doi:10.1366/0003702844554882

Spatially Resolved Vibrational Temperature Profiles in Flames From Molecular Absorption Spectroscopy

Carmen W K Huie^*, Edward S. Yeung

^*Corresponding author for this work

Department of Chemistry

Research output: Contribution to journal › Journal article › peer-review

4 Citations (Scopus)

Abstract

A highly collimated laser beam is used to observe molecular absorption in a premixed air-acetylene flame by providing a two-dimensional image on a vidicon camera. Spatially resolved molecular concentrations can thus be obtained in 1/60 second. By measurement of the relative intensities of absorption from different vibrational levels in the ground state of the molecules, a vibrational temperature can be derived for each of the spatial regions in the flame. This information is directly relevant to the understanding of dissociation in flames.

Original language	English
Pages (from-to)	660-663
Number of pages	4
Journal	Applied Spectroscopy
Volume	38
Issue number	5
DOIs	https://doi.org/10.1366/0003702844554882
Publication status	Published - Sept 1984

Scopus Subject Areas

Instrumentation
Spectroscopy

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title = "Spatially Resolved Vibrational Temperature Profiles in Flames From Molecular Absorption Spectroscopy",

abstract = "A highly collimated laser beam is used to observe molecular absorption in a premixed air-acetylene flame by providing a two-dimensional image on a vidicon camera. Spatially resolved molecular concentrations can thus be obtained in 1/60 second. By measurement of the relative intensities of absorption from different vibrational levels in the ground state of the molecules, a vibrational temperature can be derived for each of the spatial regions in the flame. This information is directly relevant to the understanding of dissociation in flames.",

author = "Huie, {Carmen W K} and Yeung, {Edward S.}",

year = "1984",

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AU - Huie, Carmen W K

AU - Yeung, Edward S.

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N2 - A highly collimated laser beam is used to observe molecular absorption in a premixed air-acetylene flame by providing a two-dimensional image on a vidicon camera. Spatially resolved molecular concentrations can thus be obtained in 1/60 second. By measurement of the relative intensities of absorption from different vibrational levels in the ground state of the molecules, a vibrational temperature can be derived for each of the spatial regions in the flame. This information is directly relevant to the understanding of dissociation in flames.

AB - A highly collimated laser beam is used to observe molecular absorption in a premixed air-acetylene flame by providing a two-dimensional image on a vidicon camera. Spatially resolved molecular concentrations can thus be obtained in 1/60 second. By measurement of the relative intensities of absorption from different vibrational levels in the ground state of the molecules, a vibrational temperature can be derived for each of the spatial regions in the flame. This information is directly relevant to the understanding of dissociation in flames.

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Spatially Resolved Vibrational Temperature Profiles in Flames From Molecular Absorption Spectroscopy

Abstract

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