IMPROVEMENTOF THE COMPUTER MODEL OF AIR POLLUTION ESTIMATION DUE TO EMISSIONS OF STATIONARY SOURCES OF AIRPORTS AND COMPRESSOR STATIONS
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Date
2021-11-03
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Abstract
Emission sources at airports and compressor
stations have the potential to emit pollutants, the
effects of which can degrade local air quality. In
most cases, the basis of gas pumping units includes
either aircraft engines that have exhausted their
flight life, or their targeted modifications to fulfill
the tasks of gas pumping units and compressor
stations in various gas transportation systems.
The methodology for calculating the
concentration of pollutants contained in the
emissions of enterprises does not take into account
all possible features of emission sources, in terms of
passive stationary sources and cold emissions, the
algorithm of the methodology requires clarification
and the justifications given in the article indicate
possible ways of clarification.
According to the decision of the CAEP SG-2020
Coordination Meeting "detailed documentation
for the Ukrainian POLEMICA air quality model
provided in CAEP/12-FESG-MDG/2-WP/09
should be considered as the final documentation
for verifying this model for compliance with ICAO
document 9889 requirements". The results of
calculating the maximum concentration for the
test scenario using Gaussian models, verified in
CAEP, differ by almost 2 times. A similar result
according to the PolEmiCa model ~ 1.5 μg/m3 is
almost two times less, which is due to the inclusion
of the effects of the initial rise in the emission
of the mixture from a stationary source into the
algorithms of the OND-86 method
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Keywords
air pollution, local air quality