Numerical Simulation of PM2.5 Distribution in Indoor Air

AbstractIn order to investigate the distribution of PM2.5 in indoor air, a model was established. The distribution of PM2.5 in indoor was simulated in the condition of natural ventilation and air conditioning ventilation with different velocities. The influence of different ventilation methods was analyzed on the distribution of PM2.5 in indoor. The results showed that the PM2.5 was gathered near the inlet, outlet and near the wall in indoor. The distribution of PM2.5 was directly impacted by the ventilation method and the concentration of PM2.5 was lower in natural ventilation than that in air conditioning ventilation