Human-oriented design of an indoor thermal environment

Masanari Ukai*, Tatsuo Nobe

*この研究の対応する著者

研究成果: Conference article査読

抄録

In this study, an initial survey of clothing insulation and changes in the metabolic rate of individuals in office spaces was performed to establish the distribution of room temperatures at which individuals perceived a neutral thermal sensation. Subsequently, the indoor thermal environment in four offices was surveyed during the summer with different air-conditioning systems to determine the thermal environment stability in each case. The results revealed that for the required temperature, there was a noticeable difference between the average and most frequent values. Moreover, it was determined that the required temperature distribution is not normal, but rather, it is skewed to the low-temperature side. In addition, the radiant air-conditioning system was found to generate a narrow distribution of the equivalent temperature and hence, facilitated a more uniform thermal environment compared to a convective (multi-unit) air-conditioning system. Therefore, in buildings with convective air-conditioning systems, even if the planar average thermal environment is categorized as comfortable, it may be possible that workers who are sensitive to the cold or heat will complain of discomfort more frequently than those in buildings with radiant air-conditioning systems because the probability of workers sitting in cold- or hot-spot areas is higher in the former case.

本文言語English
論文番号02001
ジャーナルE3S Web of Conferences
111
DOI
出版ステータスPublished - 2019 8 13
イベント13th REHVA World Congress, CLIMA 2019 - Bucharest, Romania
継続期間: 2019 5 262019 5 29

ASJC Scopus subject areas

  • 環境科学(全般)
  • エネルギー(全般)
  • 地球惑星科学(全般)

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