PROCEEDINGS OF THE RUSSIAN HIGHER SCHOOL
ACADEMY OF SCIENCES

Abstract
Over recent decades, air transport involvement in cargo and passenger transportation has increased significantly. As a result, the number of airports and airfields has increased; many of them have been built in close proximity to residential buildings. Sanitary protection zones are developed to protect the population from harmful effects of aircraft exhaust gases. The existing methods give approximate estimation of the level of contamination of the aerodrome environs. The paper proposes a method for the calculation of the dispersion of pollutants from aircraft engines over airport and airfield territories. The approach is based on a pollution dispersion model that takes into account the mechanism of diffusion and transport of pollutants by air masses. The method developed allows determining the level of contamination at each stage of the take-off and landing cycle, namely, taxiing, takeoff, climb to 9000 m, descent from 9000m, landing and taxiing after landing, with regard to the features of the stages. At the same time, the type of aircraft engine installed in the aircraft and their number are taken into account in the calculation. Weather conditions during the aircraft operation and season are also taken into consideration.

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