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Development of outdoor pollution free zone by fan-assisted devices

机译：粉丝辅助设备开发户外污染自由区

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Vertical City Air Purification System was designed to reduce the aerosol counts at the playground next to a major traffic road. Columns with air grilles are arranged in circle to create a close loop system. Computational simulation is adopted to study three scenarios. The first simulation covers conventional wind block technology, where strong wind speed is created between columns to stop pollutants from entering the premise. However, it is observed that polluted air can enter the development from the head above. Hence, two other options are created, one with supply air directing to the centre of the development, the other with underfloor air supply. It is studied that at outlet velocity of 6.5 m/s, the underfloor system can contribute to around 40% pollution reduction using MERV13 filter, which is more than 24% better than the baseline. Traditionally, outdoor pollution mitigation deems to be contributing insignificantly. The positive simulation result marks a potential for future outdoor pollution mitigation development.
机译：垂直城市空气净化系统旨在减少主要交通道路旁边的操场上的气溶胶计数。带空气格栅的柱子布置在圆圈中以创建闭环系统。采用计算模拟来研究三种情况。第一个仿真涵盖了传统的风块技术，其中在列之间产生强风速，以阻止污染物进入前提。然而，观察到污染空气可以从上面的头部进入发展。因此，创建了另外两份选项，一个带有通风的供应空气引导到开发中心，另一个具有下层空气供应。研究了，在6.5米/秒的出口速度下，使用MERV13过滤器可以有助于减少40％的污染减少，比基线更优于24％。传统上，户外污染缓解认为是不合理的贡献。积极的仿真结果标志着未来户外污染缓解发展的潜力。

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