Abstract
This paper uses FLUENT software to establish a geometric model of the room, and simulates the internal flow field and the distribution of fine particle concentration in the office under different operating conditions according to different air supply parameters in the air-conditioned room. The relationship between air supply velocity and air supply temperature and particle concentration distribution is determined by orthogonal design method. Numerical simulation is used to calculate and analyze the concentration distribution of fine particulate matter in the room under different air supply parameters. Through observing cloud maps and analyzing data, the calculation conclusion is drawn.
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