Abstract
In this paper, the new metro air supply method—column air supply mode is researched, which is Tianjin Metro Line 1 station as prototype, built a scale model of the experiment bench, utilize the principle of similarity, pass simulating real conditions experiments were concluded influences of platform thermal environment of different supply air temperature of Column ventilation. The simulating experiment based on the existing artificial environment laboratory bench for simulating the ventilating process of a metro platform area, The experiment data showed the site thermal environment is mainly affected by the human body model, the temperature of the area of body temperature of the heat source, which is relatively far from the outlet, the temperature of partial region is higher than the air temperature 3~5℃; Subway platform thermal load changes during the day, in meeting the load requirements instance, peak hours crowded at the platform, the ‘small temperature difference, the amount of wind’ supplying air way to heat the platform exclusion have better results, and recommend a supply air temperature 26℃.
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