Abstract
An experimental study is conducted to investigate the possibility of using a small scale turbine engine to determine the feasibility of operation with alternative fuels compared to conventional JP-8 jet fuel. The engine performance and exhaust emissions of conventional JP-8, synthetic paraffinic kerosene fuel blends, and hydroprocessed renewable jet fuel blends are characterized using a JetCat P-200 turbojet engine. Static thrust, fuel flow rate, and exhaust temperature are measured along with unburned hydrocarbons, carbon monoxide, and oxides of nitrogen emissions at several engine speeds. Results show very small differences in thrust, fuel flow, and exhaust temperature between fuels. Carbon monoxide and unburned hydrocarbon emissions are greatly influenced by the addition of bearing lubrication oil to each of the fuels for use in the P-200. Oxides of nitrogen emissions for all fuel blends follow that of JP-8 because they are strongly temperature dependant.
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