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- W4200370274 abstract "Appropriate airflow in naturally ventilated livestock buildings is an essential requirement to ensure animal welfare and efficient and sustainable production. On the other hand, the control of gaseous emissions and the monitoring of environmental conditions in the areas surrounding livestock buildings are fundamental actions, especially in those territories with high concentration of intensive animal farms. In fact, data on gas concentrations and air quality in neighbouring territories can be used to ensure proper air healthiness levels and for the creation or the updating of management and development of territorial plans. With regard to these aspects, computational fluid dynamic simulations represent a powerful tool and, in the present paper, fluid dynamic analyses are used to assess the gas concentrations and investigate the gases dispersion in the areas around a naturally ventilated pig barn located in the northern Italy. In the simulations, the concentrations of methane (CH4), ammonia (NH3) and carbon dioxide (CO2) have been evaluated considering both the seasonal effects of the wind driven ventilation and the interaction with the complex layout of the barn, composed of six long wings converging on a central body. Thus, starting from the statistical analysis of the free-field ventilation at the site, seven wind configurations have been numerically analysed considering in the model both the barn and the nearby buildings and providing the representative scenarios of warm and cold seasons. The gases concentration resulted very different during the years from season to season, but also presented valuable differences in the same season, changing wind configuration. The outcomes of the paper provide useful indications on the dispersion of gas concentrations in the surrounding areas and at the same time they could indicate the most suitable positions in order to make reliable measurements and experimental campaigns allowing a proper monitoring of the emissions." @default.
- W4200370274 created "2021-12-31" @default.
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- W4200370274 date "2021-11-03" @default.
- W4200370274 modified "2023-09-24" @default.
- W4200370274 title "CFD modelling of gaseous emissions and dispersion from pig barn to surrounding areas" @default.
- W4200370274 doi "https://doi.org/10.1109/metroagrifor52389.2021.9628541" @default.
- W4200370274 hasPublicationYear "2021" @default.
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