Russian Federation
Russian Federation
Adaptation of pollutants’ transportation models from burning vegetations is a key task in developing a methodology for predicting the development of emergency situations on highways located in the zone of hazardous impact of combustion products of landscape fires. The paper describes the results of experimental and numerical investigations of the dispersion of hazardous combustion products (carbon monoxide and fine suspended particles PM2,5) from 4 model grass fire spots (Trifolium pratense, Festuca pratensis, Bromus inermis, a mixture of Phleum pratense and Trifolium praténse). The comparative analysis of the results of experimental and numerical investigations using the Gaussian model for all grass samples has shown that the calculated concentrations of CO deviated from the measured ones by no more than 24,7 %. The discrepancy between the calculated concentrations of CO and PM2.5 obtained by means of the Gaussian model and the k-model was 2,1–33,3 % and 8,9–31,3 %, respectively. The results confirm the adequacy of the applied calculation models and their potential for predicting the dispersion of pollutants from grass fires.
emergencies, grass fires, smoke, carbon monoxide, fine particulate matter, modeling pollutants dispersion in the atmosphere
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