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Investigation of the effects of civil aviation fuel Jet Al blends on diesel engine performance and emission characteristics

机译：Investigation of the effects of civil aviation fuel Jet Al blends on diesel engine performance and emission characteristics

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Study on use of aviation fuels in the internal combustion engines in road vehicles has been conducted for a long time. After the JP-8 is accepted as a single fuel on land and in the air (single fuel concept) by the North Atlantic Treaty Organization (NATO), the majority of these studies have focused on JP-8. For this reason, there is hardly any study on using the Jet Al, which is structurally very similar to the JP-8, in the internal combustion engine. However, in obligatory cases such as in periods of war, using the Jet Al in the same way as the JP-8 in internal combustion engines may be required. In cold climates especially, the Jet Al may gain strategic importance due to its very low freezing point. In this study, both the effects of the diesel and Jet Al blends on engine performance and exhaust emissions in both the single cylinder, and the direct injection diesel engine have been examined. As a result, it has been determined that use of Jet Al reduces engine torque to 5.85% and increases the specific fuel consumption to 8.77%. In addition, while there is an increase in smoke and carbon monoxide (CO) emissions 82% and 71.9%, respectively, there is a decrease in nitrogen oxide (NO_x) emissions by 29%. In conclusion, there is no positive effect in using the Jet Al in the diesel engine except for the reduction of NO_x emission and the decrease of the freezing point.

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