Laminar burning speed measurement of premixed n-decane/air mixtures using spherically expanding fl

Abstract Normal-decane (n-C 10 H 22 ) is regarded as a major component of possible surrogates for jet fuels and diesel fuels. The structure of spherically expanding premixed n-decane/air flames has been studied at high temperatures and pressures. The laminar burning speeds of n-decane/air mixtures have been measured for the temperatures of 350–610 K and pressures of 0.5–8 atm. The experiments were performed in lean conditions (0.7 ⩽  ϕ  ⩽ 1). Laminar burning speed was measured using a thermodynamic model based on the pressure rise during the flame propagation in constant volume vessels. A cylindrical vessel equipped with a high speed CMOS camera was employed to investigate the flame structure and a spherical vessel was used for the burning speed measurements. The results are in good agreement with other experimental data available in the published literature.

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