The use of alternative fuels in aviation gas turbine engines

Аuthors

Siluyanova M. V.^1*, Chelebyan O. G.^2**

1. Moscow Aviation Institute (National Research University), 4, Volokolamskoe shosse, Moscow, А-80, GSP-3, 125993, Russia
2. Central Institute of Aviation Motors, CIAM, 2, Aviamotornaya St., Moscow, 111116, Russia

*e-mail: dc2mati@yandex.ru
**e-mail: oganes441@gmail.com

Abstract

Toughening environmental requirements of ICAO (International Civil Aviation Organization) on emissions from aircraft engines, forcing the major powers to search for alternative sources of energy, in particular to expand the scope of biofuels.The use of renewable biofuels obtained from plants or fatty acids is very promising. At present, aviation accounts for about 2% of man-made emissions of CO₂. When using biofuel, the emission of smoke, solid carbon, carbon monoxide, sulfur, and total carbon dioxide is decreased. Thus, the use of bio-kerosene obtained from jatropha, instead of the traditional kerosene in aircraft would reduce «carbon trace» almost by 80%.

Alternative fuels have physical properties that are slightly different from the traditional kerosene. This paper presents results of an experimental study of the influence of the physical properties of the liquid on the parameters of air-fuel spray device for the front module pneumatic type of the combustor gas turbine engine. To determine the characteristics of the spray and the study of the process of crushing and mixing alternative fuels with high viscosity developed a model biofuels based of kerosene TS-1. As a result of this work has received a number of dependencies characteristics average diameter, velocity and concentration of fuel droplets in the stream of the burner of kerosene and biofuel model. Summarizing the findings, it was found that when using viscous fuels should be used pneumatic atomization method for the specified operating parameters of combustor gas turbine engine. Despite the fact that it is not yet available in the Russian industrial-scale biofuel production, this area has a great future because of the large acreage and water surfaces in our country.

Keywords:

front module, atomization, biofuels, pneumatic, jet atomization, atomizer, swirler, combustor

References

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