Detailed airflow pattern and particulate contamination characteristics, induced by dump-type air supplyin a full-scaled conventionally-ventilated clean room, are investigated numerically. Standard k- epsilonturbulence model is applied to calculate velocity vector, turbulent intensity etc. mainly due to theadoption of large ACH which results in high turbulence indoors. Based on the criterion proposed byMurakami et al, small-slip model in Euler framework advanced by S. L. Soo is applied to characterizeparticulate diffusion.
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