Research on the Simulation of Catering Multi-component Gas Transport

Abstract In order to explore the effects of multi-component gases and aerosol emitted by restaurants on the surrounding residents, a low-rise residential building of the certain adjacent dining street in Jiaozuo City was selected as the research object. We regarded the surrounding restaurants that emited soot as a source of pollution. After using solid-works to establish the geometric model, we compared several different computational fluid dynamics models and proposed a multi-component transport model suitable for this situation. Finally, we used ANSYS Icepak software to deal with multi-component gas in the residential building and numerically simulated its distribution. The results of flow field and internal and external pressure distribution were obtained by simulation calculation. Because the airflow field generated eddy currents within it, it not only became the power source of pollutants, but also expanded the pollution area. Besides, for the harmful substances appeared in the same building, the higher concentration that had much more serious impact on the upper dwellers inside of the building distributed at the level. These provided a theoretical basis for mastering the distribution of soot, we can use it to fundamentally reduce the impact of soot emissions on residents' health.