Abstract
The combustion quality and energy content of Jet fuel are important to fuel characteristics. There are some essential performance characteristics include density, flash point, freezing point, kinematic viscosity at -20o C, smoke point, and distillation temperatures should be detected and controlled. In this study, an experimental investigation was performed in order to determine the effects of polylactic acid, tetrahydrofuran, and Jet A1 fuel blends on the physical and chemical properties of blends. For this purpose, the fuel blends studied were analyzed using Miniscan IR which is a high speed for the comprehensive and automatic measurement of Jet fuels. From our results, it was found that the maximum flash point enhancement was obtained by S3 (95%Jet A1/5%THF/250ppmPLA) (42.3oC) while it was (38oC) for the blank Jet fuel A1. On the other hand, the decreasing of freezing point was achieved by S6 (95%Jet A1/5%THF/2500ppmPLA) (-65.4oC), while it was (-62.6oC) for the blank Jet fuel. The maximum net heat of combustion value was obtained by S2 (95%Jet A1/5%THF) (56.44 MJ/kg), while it was (55.62 MJ/kg) for the blank sample. Also, the density slightly increased for all Jet blended samples. The net heat of combustion values were enhancement, compared with blank Jet fuel A1.
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