不同送風(fēng)方式對(duì)空調(diào)房間內(nèi)污染物質(zhì)量濃度分布的影響
[Abstract]:Aim to study the effects of different air supply modes on the diffusion of pollutants in air-conditioned rooms, determine the air supply modes which are conducive to the elimination of pollutants, improve the air quality of offices with pollution sources, and put forward some suggestions for the design of a reasonable air-conditioning system. Methods Airpak software was used to simulate four different air supply modes, three different air volumes and three different pollutant emission amounts. The mass concentrations of pollutants in different locations were obtained by simulation, and the distribution characteristics of pollutant mass concentrations were analyzed. The distribution of indoor pollutant concentration under different air supply mode and different pollutant emission amount was obtained. The results show that the air supply mode of top-side return is better than the other three air supply modes, and the mass concentration of pollutants decreases obviously with the increase of air flow rate, but it should be controlled within the appropriate wind speed range. The mass concentration of indoor pollutants can also be reduced by reducing the emission of pollutants. Conclusion the indoor pollutant concentration can be reduced by increasing the air supply speed and increasing the air flow rate within a certain range of wind speed by the way of top-side return air supply.
【作者單位】: 沈陽(yáng)建筑大學(xué)市政與環(huán)境工程學(xué)院;
【基金】:國(guó)家自然科學(xué)基金項(xiàng)目(51308353) 遼寧省自然科學(xué)基金項(xiàng)目(2014020072)
【分類號(hào)】:X51;TU83
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