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首页> 美国卫生研究院文献>Iranian Journal of Environmental Health Science Engineering >An investigation of thermal environment of an existing UFAD system in a high-rise office building in the tropics
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An investigation of thermal environment of an existing UFAD system in a high-rise office building in the tropics

机译：热带地区一栋高层办公大楼中现有UFAD系统的热环境调查

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摘要

The current case study was conducted to identify the causes of environmental health issues in the office space associated with the existing Underfloor Air Distribution (UFAD) system in a high-rise office building in the tropics. The causes of the indoor environmental quality degradation are the key to resolve the environmental health issues. Thus, the parameters such as the indoor air temperature, relative humidity (RH), relative air velocity, carbon monoxide (CO), carbon dioxide (CO2), formaldehyde, total volatile organic compound (TVOC) and particulate matter (PM10) were evaluated in five office spaces. The results showed that the diffusers were not effective in creating air mixing at the occupied space. The RH has exceeded the threshold limit of 70%. The CO2 concentration has exceeded 1000 ppm, and the formaldehyde has exceeded 0.1 ppm. These indicate the poor design and maintenance of the building that lead to the degradation of indoor environmental quality. Long exposure to the poor indoor environmental quality will cause permanent health damages. The Indoor Air Quality (IAQ) management plan must be established and implemented in the ongoing basis to ensure the health of the occupants are safeguarded. As part of the plan, the practice to conduct an IAQ assessment once every 3 years is recommended to ensure the health and well-being of the occupants are safeguarded.
机译：当前的案例研究是为了确定与热带高层办公楼中现有的地板下空气分配系统相关的办公空间中环境健康问题的原因。室内环境质量下降的原因是解决环境健康问题的关键。因此，评估了诸如室内空气温度，相对湿度（RH），相对空气速度，一氧化碳（CO），二氧化碳（CO2），甲醛，总挥发性有机化合物（TVOC）和颗粒物（PM10）等参数。在五个办公空间中。结果表明，扩散器不能有效地在所占空间产生空气混合。 RH已超过70％的阈值限制。 CO2浓度已超过1000 ppm，甲醛已超过0.1 ppm。这些表明建筑物的设计和维护不佳，导致室内环境质量下降。长时间暴露于恶劣的室内环境质量将对健康造成永久性损害。必须持续制定和实施室内空气质量（IAQ）管理计划，以确保维护乘员的健康。作为该计划的一部分，建议每3年进行一次室内空气质量评估的做法，以确保维护乘员的健康和福祉。

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