High temperature methane line broadening by H2

Yousefi, Mahdi

Permalink

https://hdl.handle.net/2142/104252 Copy

Description

Title

High temperature methane line broadening by H2

Author(s)

Yousefi, Mahdi

Contributor(s)

• Dulick, Michael
• Bernath, Peter F.

Issue Date

2019-06-21

Keyword(s)

• Lineshapes
• Collisional effects

Date of Ingest

• 2019-07-15T22:16:29Z
• 2020-01-25T19:30:02Z

Abstract

Absorption spectra of hot methane were recorded in the 2300-3200 cm$^{-1}$ spectral region ($\nu_{3}$ mode) using a Bruker 120/125 HR Fourier transform spectrometer. Methane was heated in a quartz cell in a tube furnace at 295, 473, 673, 873 and 1073 K. Line broadening of the methane spectra was investigated by adding 50, 150 and 400 Torr of H$_{2}$ as a broadening gas to 0.5 Torr of methane. A preliminary spectral fit of the methane data was performed using Voigt line shape functions with the WSpectra program. The temperature and pressure dependence of the line broadening parameters were studied; additional spectra are needed for more temperatures and pressures. A more sophisticated analysis using non-Voigt line shapes and a multi-spectral fit will be carried out.

Publisher

International Symposium on Molecular Spectroscopy

Type of Resource

text

Genre of Resource

Conference Paper / Presentation

Language

eng

Permalink

http://hdl.handle.net/2142/104252

DOI

https://doi.org/10.15278/isms.2019.FE06

Copyright and License Information

Copyright 2019 Mahdi Yousefi

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