2015
DOI: 10.1016/j.jqsrt.2015.04.018
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Raman spectra of methane, ethylene, ethane, dimethyl ether, formaldehyde and propane for combustion applications

Abstract: Spontaneous Raman scattering measurements of temperature and major species concentration in hydrocarbon-air flames require detailed knowledge of the Raman spectra of the hydrocarbons present when fuels more complex than methane are used. Although hydrocarbon spectra have been extensively studied at room temperature, there are no data available at higher temperatures. Quantum mechanical calculations, when available are not sufficiently accurate for combustion applications. This work presents experimental measur… Show more

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Cited by 66 publications
(47 citation statements)
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“…Figure 1c) shows the Raman spectra of these hydrocarbons on the CO 2 and O 2 channels, attributed to CH 2 bending modes and to C 2 stretching modes. [11] Methane has only weak features in this spectral range, but DME, ethane and ethylene produce strong crosstalks onto the CO 2 and O 2 channels. Therefore, inaccuracies in hydrocarbons concentration measurements also affect CO 2 and O 2 .…”
Section: )mentioning
confidence: 95%
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“…Figure 1c) shows the Raman spectra of these hydrocarbons on the CO 2 and O 2 channels, attributed to CH 2 bending modes and to C 2 stretching modes. [11] Methane has only weak features in this spectral range, but DME, ethane and ethylene produce strong crosstalks onto the CO 2 and O 2 channels. Therefore, inaccuracies in hydrocarbons concentration measurements also affect CO 2 and O 2 .…”
Section: )mentioning
confidence: 95%
“…To account for the spatial dependence of the element of the C matrix associated to the hydrocarbons, detailed Raman spectra are needed. In a previous work [11] we reported experimental Raman spectra for methane, ethane, ethylene, and DME in the 300-900 K range. Spectra of formaldehyde were also collected in the 400-900 K range, although no information was obtained regarding the temperature dependence of the integrated signal or its intensity compared to N 2 .…”
Section: Calibration and Spectral Librariesmentioning
confidence: 99%
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