Abstract
In this paper, a room model experiment is carried out to verify the effectiveness of the numerical analysis based on the physical model which includes emission, adsorption/desorption and diffusion of the chemical pollutants. The analyzed room model has one supply inlet and one exhaust outlet, and its cavity is composed of 1.5m (x) : 0.3m (y) : 1.0m (z) in which a two-dimensional mean flow field is developed. A clear re-circulating flow is observed in a room generated by the forced ventilation. In this experiment, the activated carbon and Tenax TA are used as an adsorbent and liquid decane is used as the evaporative diffusion type emission material. Especially, to assume the adsorption characteristic to be clear for the activated carbon, as the amount of the chemical material adsorbed and adsorption isotherm are measured by weight method. Moreover, CFD analysis, which corresponds to the experimental conditions, are carried out and the results are in good agreement with the results of the room model experiment.
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