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商业建筑中的粒子表征:新加坡40个办公室的横截面研究

Zuraimi Sultan¹, Jiayu Li², Jovan Pantelic³

¹Berkeley Education Alliance for Research in Singapore (BEARS) Limited, Singapore.

The Science of the total environment

|April 3, 2024

概括

新加坡的办公楼由于有效的颗粒去除和室内来源较低,室内颗粒度较低. 通风系统和MERV13过器显著影响室内空气质量和乘客暴露在室外颗粒.

科学领域:

环境科学环境科学
建筑科学建筑科学
公共卫生公共卫生

背景情况:

对于商业办公楼内室内颗粒物暴露的缓解,人们的理解有限.
乘客暴露受到室内产生的粒子和室外粒子透的影响.
评估颗粒度动态对于改善室内环境质量至关重要.

研究的目的:

为了量化新加坡办公楼的室内和室外颗粒度.
调查影响室内颗粒物水平的因素,包括通风和过.
为了确定来自户外来源的室内颗粒的比例.

主要方法:

横截面研究,每周测量大小解析的颗粒度.
分析40个商业办公室的室内和室外颗粒大小分布.
线性混合效应建模,以确定对粒子移除和来源的关键影响因素.

主要成果:

室外颗粒度在所有颗粒大小中始终高于室内水平.
室内颗粒度一般较低,归因于室内颗粒去除率 (IPR) 高,室内源强度低.
通风系统类型,MERV13过器的使用,以及清洗频率显著影响了IPR,室内与室外比例颗粒 (IPOP) 和源强度.

结论:

办公楼的通风和过策略对于控制室内颗粒暴露至关重要.
供应空气和新鲜空气管道中的MERV13过器增强了颗粒的去除,减少了室外颗粒的透.
定期的清洁实践有助于降低室内颗粒源的强度,改善室内整体空气质量.

关键词:

室内粒子的户外比例.室内颗粒的去除速度室内粒子室内粒子监控监控监控监控办公楼办公楼办公楼消息来源消息来源消息来源

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