Open burning of natural gas when using gas equipment in the premises of residential buildings is considered, taking into account the formation of combustion products, depending on the coefficients of excess air. Theoretical and experimental studies of combustion processes are presented. To determine the aerodynamic process in the ventilation duct, theoretical calculations of the dependence of the discharge at the entrance to the ventilation duct from the outside temperature of the atmospheric air were made. Graph-analytic method of evaluating the effectiveness of natural ventilation is carried out.
Don state technical university. Rostov-on-Don, Russian Federation science-almanac@mail.ru The modern demographic and social processes of urbanization lead to intensive development of new planning and territorial structures, urban agglomerations. Today, the agglomeration is viewed as an integral socio-economic space with a common system of transport and engineering services, a si ngle natural and ecological framework of the territory. The stability of such urban ecosystems can be assessed through the comfort of life and health of the population, based on groups of criteria: naturalanthropogenic, social, medico-ecological. The analysis of forming ecological carcass of Rostov agglomeration educed potential conflict between development of big city and emphasizing of specially-protected areas (nature reserve "Levoberezhny") in its boundary. Thus, under the density increase of migratory birds on the territories of the nature reserve in the suburbs, the probability of outbreak risk increase of such diseases, as Francis disease, Crimean-Congo hemorrhagic fever (CCHF) and West Nile encephalitis (WNE) is growing. The contact of migrants with established synanthropic urban populations can lead to carry and seasonal rooting of arbovirus infections. The safety and comfort of living in urban agglomerations with territorially close specially protected natural areas directly depends on monitoring the species diversity and the number of epidemiologically significant faunal components as potential carriers and vectors of the causative agents of zoonotic infections.Key words: urban agglomerations, specially protected natural sites (SPNS), ecological carcass of the territory, medico-ecological risks, habitation comfort. [Юдина Н.В., Лысова Е.П., Королева А.В. Медико-экологические риски городских агломераций]Современные демографические и социальные процессы урбанизации приводят к интенсивному развитию новых планировочно-территориальных структур, городских агломераций. Сегодня, агломерация рассматривается как целостное социально-экономическое пространство с общей системой транспортного и инженерного обслуживания, единым природно -экологическим каркасом территории. Устойчивость таких урбоэкосистем можно оценивать черезкомфортность жизни и здоровья населения, основанную на группах критериев: природно-антропогенных, социальных, медико-экологических. Анализ формирующегося экологического каркаса Ростовской агломерации выявил потенциальную конфликтность между развитием крупного города и выделением особоохраняемых территорий (заказник «Левобережный») в его черте. Так при увеличении плотности пролетных птиц на территориях заказника в окрестностях города повышается вероятность увеличения риска вспышек очагов таких заболеваний, как туляремия, Крымская геморрагическая лихорадка (КГЛ) и лихорадка Западного Нила (ЛЗН). Контакт мигрантов со сложившимися синантропными городскими популяциями может привести к заносу и сезонному укоренению арбовирусных инфек-ций%. Безопасность и комфортность проживания в городских агломерациях с территориально близ...
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