Experimental and numerical kinetic study of OME2 and OME3 combustion in low-pressure laminar flames
(2025) International Conference on Measurements of Energy — Location: Orléans, France (23.June.2025)
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- Abstract
- The stoichiometric and fuel-lean neat OME2 and OME3 flames were stabilized at 50 mbar on a mobile Spalding-Botha burner. Species and radicals were measured and identified with MBMS to determine the flames’ structure. The temperature profiles of both flames have been measured for the purpose of the kinetic modelling. The mechanism from Kathrotia et al., has been used for comparison with the experimental results of the OME2 and OME3 flames. Based on these comparisons, the UCL mechanism has been extended by analogy with OME2 and OME3 kinetics from other works. The numerical modeling have been performed by using OpenSMOKE++. The experimental results from the OME2 and OME3 flames show good agreement for the main species and some intermediates. With the measurements of the flames and interpretation from the new UCL mechanisms, the dominant consumption pathways of OME2 and OME3 flames are determined, showing that the OME1 chemistry is found to be crucial for the consumption pathways of OME2 and OME3 flames. The effects of chain length on the reaction pathways of two fuels are elucidated by comparing the formation of intermediates and the consumption pathway of the fuels.
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Huo, Y., Dias, V., & Jeanmart, H. (2025). Experimental and numerical kinetic study of OME2 and OME3 combustion in low-pressure laminar flames. International Conference on Measurements of Energy, Orléans, France. https://hdl.handle.net/2078.5/256656