Effect of humidity on human comfort and productivity after step changes from warm and humid environment

Hitomi Tsutsumi, Shin ichi Tanabe, Junkichi Harigaya, Yasuo Iguchi, Gen Nakamura

研究成果: Article査読

104 被引用数 (Scopus)

抄録

Subjective experiments were conducted to evaluate the effects of humidity on human comfort and productivity under transient conditions from hot and humid environment to thermally neutral condition. Two climate chambers, "Chamber 1" and "Chamber 2", adjoined each other were used for this study. Subjects were exposed to 30 °C/70%RH air in Chamber 1 for 15 min with 2.0 met of metabolic rate. Then they moved into Chamber 2, where 4 humidity conditions, 30, 40, 50 and 70%RH were examined. Air temperature was adjusted to keep SET* constant at 25.2 °C for all conditions. Subjects were exposed in Chamber 2 for 180 min performing 2 kinds of simulated office work. Positive effects of low humidity on subjective pleasantness were found under transient condition at low humidity due to more evaporation from human body, while no significant difference in thermal sensation and humidity sensation among 4 relative humidity levels was obtained. Subjective performance was found to be at the same level under all conditions. However, subjects reported to be more tired at 70%RH after humidity step change.

本文言語English
ページ(範囲)4034-4042
ページ数9
ジャーナルBuilding and Environment
42
12
DOI
出版ステータスPublished - 2007 12

ASJC Scopus subject areas

  • 環境工学
  • 土木構造工学
  • 地理、計画および開発
  • 建築および建設

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