| Citation: | LIU Yu, ZHOU Bo, GU Wu, et al. Laminar burning velocity of aqueous ethanol/RP-3 aviation kerosene mixed fuel[J]. Journal of Aerospace Power, 2024, 39（1）：20220150 doi: 10.13224/j.cnki.jasp.20220150
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The laminar burning velocities (LBVs) of ethanol/RP-3 aviation kerosene and aqueous ethanol/RP-3 aviation kerosene premixed flames under the initial pressure of 0.1 MPa, initial temperature of 450 K and equivalence ratios of 0.8−1.4 were obtained by using a constant volume combustion experimental device, and the effects of ethanol blending ratio, volume fraction of water in ethanol and equivalence ratio on the LBV of the mixed fuel were analyzed. Results showed that the LBV of ethanol/RP-3 mixed fuel increased with the increase of ethanol blending ratio; when the ethanol blending ratio in RP-3 fuel was constant, the LBV of aqueous ethanol/RP-3 mixed fuel decreased with the increase of volume fraction of water in ethanol. From analysis of the combustion reaction kinetics, the LBV of the mixed fuel was affected by the combined effects of kinetics and thermodynamics. The experimental data obtained can provide a theoretical basis and technical support for the application of bio-ethanol fuel in aeroengine.
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