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Human health and thermal comfort of office workers in Singapore

机译：新加坡上班族的人体健康和热舒适度

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摘要

Poorly operated air conditioning and mechanical ventilation (ACMV) system might cause significant Sick Building Syndrome (SBS) symptoms and thermal discomfort in the hot and humid climate. This study presents our investigations on the prevalence of SBS symptoms and thermal comfort in offices in Singapore via two approaches including: (1) the onsite objective monitoring and questionnaire-based investigation under normal ACMV practices, and (2) the online survey with occupants in controlled indoor temperatures. The results indicate that the prevalence of individual SBS symptoms is lower than the similar studies in other geographic regions. Overcooling seems to be the domineering complaint in the local context and the occupants seem to prefer higher indoor temperature. As such, human behavioral adjustments such as adding clothing happen quite frequently. Moreover, the data also suggests that cultural traits might skew the survey results, especially in certain subjective aspects regarding the satisfactory level and comfort. To sum up, the prevalence of SBS symptoms are generally acceptable in current local context. However, due to the hot and humid ambient environment, traditional ACMV system with vapor compression refrigerant tends to trigger the overcooling issue in relation to the sensible and latent heat. It is invaluable to advance our understanding of the relationships between the ACMV system, human behavioral adjustments, and building energy consumptions in the tropical region.
机译：在湿热气候下，空调和机械通风（ACMV）系统操作不当可能会导致严重的病态建筑综合症（SBS）症状和热不适感。这项研究通过两种方法介绍了我们对新加坡办事处SBS症状和热舒适度的调查，包括：（1）在常规ACMV惯例下进行现场客观监测和基于问卷的调查，以及（2）在新加坡进行在线调查。控制室内温度。结果表明，单个SBS症状的患病率低于其他地理区域的类似研究。在当地情况下，过冷似乎是霸气的抱怨，并且居住者似乎更喜欢较高的室内温度。因此，人类的行为调整（例如增加衣服）经常发生。此外，数据还表明，文化特征可能会使调查结果产生偏差，尤其是在某些有关令人满意的水平和舒适度的主观方面。综上所述，在当前的当地情况下，SBS症状的普遍存在是可以接受的。然而，由于炎热和潮湿的环境，具有蒸气压缩制冷剂的传统ACMV系统往往会引发与显热和潜热有关的过冷问题。增进我们对ACMV系统，人类行为调整以及热带地区建筑能耗之间关系的理解是无价的。

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