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Initial study on the impact of thermal history on building occupants' thermal assessments in actual air-conditioned office buildings

机译：关于热历史对实际空调办公大楼中建筑人员的热评估的影响的初步研究

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摘要

This preliminary study examines the influence of longer thermal history on building occupants' thermal sensation, perceived air temperature and thermal acceptability during the initial period of occupancy and after an extended period of occupancy in actual air-conditioned office buildings. Each of the subjects' forty-eight-hour thermal history was assessed using measured air temperatures with a wireless chip, "iButton," placed close to their skins. Subjects did thermal assessments of their offices through a web-based survey link while they had their "iButton" on them. In addition, the subjects were required to fill the survey 4 times in their offices: during initial occupancy, before lunch break, after lunch break and before they left their offices for the day. Subjects' thermal assessments followed typical transient perceptions during initial occupancy of their offices. However, subjects' thermal assessments followed typical steady-state perceptions after extended period of occupancy because of diminished influence of thermal history. Maximum thermal acceptability occurred around neutral point of rating scales of thermal sensation and perceived air temperature throughout occupancy periods. Additionally, gender and body mass index influenced building occupants' thermal assessments. These results provide understanding on how thermal history influences occupants' thermal sensation, perceived air temperature, and thermal acceptability should be accounted for in the design and operation of air-conditioned buildings where occupants spend considerable amount of time.
机译：这项初步研究考察了在实际的空调办公建筑中，在居住初期和居住较长时间后，较长的热历史对建筑物居住者的热感觉，感知的空气温度和热可接受性的影响。每个受试者的四十八小时的热病史是通过将测得的空气温度与靠近皮肤放置的无线芯片“ iButton”一起评估的。受试者在其上装有“ iButton”时，通过基于Web的调查链接对其办公室进行了热评估。此外，受试者必须在办公室四次填写调查问卷：最初入住期间，午餐前，午餐后以及离开办公室之前。受试者在初次就职期间进行的热评估遵循典型的短暂感知。然而，由于热史的影响减小，受试者的热评估遵循了长期居住后的典型稳态感知。在整个居住期间，最大的热可接受性出现在热感和感知空气温度的额定等级的中性点附近。另外，性别指数和体重指数影响了建筑物居住者的热评估。这些结果提供了关于热历史如何影响居住者的热感，感知的空气温度以及在居住者花费大量时间的空调建筑物的设计和运行中应考虑到的热可接受性的理解。

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