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首页> 外文期刊>Energy and Buildings >The development and assessment of an aspiration efficiency reducing system of air pollution control for particutate matter in building ventilation systems
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The development and assessment of an aspiration efficiency reducing system of air pollution control for particutate matter in building ventilation systems

机译：建筑物通风系统中颗粒物空气污染控制的降低吸气效率的系统开发与评估

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An air pollution control device, designed to restrict the amount of particulate matter passing through it, was developed on the principle of aspiration efficiency. The performance of this new form of air pollution control was subsequently assessed in terms of its remediation efficiency for PM2.5 at the ventilation inlet of a medium sized city centre office building. A physical prototype and 3D computational fluid dynamics model were both developed to assess the performance of the device. The results of the investigation indicated that the device was capable of restricting the passage of 5-87% of PM2.5 into the ventilation inlet of the commercial building depending on ambient conditions (50% on average). The performance of the device was found to vary significantly according to the magnitude of ambient wind speed and the ventilation flow rate through the building. This new device demonstrates the potential of aspiration efficiency as a mechanism of air pollution control offering two notable advantages, (ⅰ) no consumable material requirements and (ⅱ) reduced energy consumption, over existing technology. The technology has the potential to reduce theoperating costs of ventilations systems, reducing CO_2 emissions in buildings as a consequence.
机译：根据抽吸效率的原理，开发了一种旨在限制颗粒物通过的空气污染控制装置。随后，根据中型城市中心办公楼通风口PM2.5的修复效率，评估了这种新形式的空气污染控制的性能。都开发了物理原型和3D计算流体动力学模型来评估设备的性能。调查结果表明，该设备能够根据环境条件限制5-2.5％的PM2.5进入商业建筑的通风口（平均50％）。发现该设备的性能根据周围风速的大小和穿过建筑物的通风流量而显着变化。与现有技术相比，这种新设备展示了作为空气污染控制机制的吸气效率的潜力，具有两个显着优势：（ⅰ）无需消耗材料，并且（ⅱ）降低了能耗。该技术有潜力降低通风系统的运营成本，从而减少建筑物中的CO_2排放。

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