Abstract
This article attempts to derive a new empirical formula for the prediction of the tendency of fuels to form carbon deposits in the combustion chambers of air-breathing jet engines. Heavy deposition of carbon in the combustion chamber of a gas turbine engine may lead to warping and in some cases burnout of the flame tube, greater nonuniformity of the temperature field ahead of the turbine, and a reduction of the turbine efficiency and a shortening of the engine life as a result of failure of the nozzle vanes and blades of the turbine. The formation of carbon deposits depends primarily on the hydrocarbon group composition and distillation curve on the fuel. Viscosity, density, surface tension, and other properties also have some influence.
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