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Dr. Et-touhami Es-sebbar

Methane; Ethane: Ethylene; Methanol; Absorption cross-section; FTIR; HeNe laser

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Absorption Cross-Section Measurements Of Methane, Ethane, Ethylene And Methanol At High Temperatures, Majed Alrefae, Et-Touhami Es-Sebbar, Aamir Farooq Jul 2014

Absorption Cross-Section Measurements Of Methane, Ethane, Ethylene And Methanol At High Temperatures, Majed Alrefae, Et-Touhami Es-Sebbar, Aamir Farooq

Dr. Et-touhami Es-sebbar

Mid-IR absorption cross-sections are measured for methane, ethane, ethylene and methanol over 2800–3400 cm−1 (2.9–3.6 μm) spectral region. Measurements are carried out using a Fourier-Transform-Infrared (FTIR) spectrometer with temperatures ranging 296–1100 K and pressures near atmospheric. As temperature increases, the peak cross-sections decrease but the wings of the bands increase as higher rotational lines appear. Integrated band intensity is also calculated over the measured spectral region and is found to be a very weak function of temperature. The absorption cross-sections of the relatively small fuels studied here show dependence on the bath gas. This effect is investigated by studying the …