Effects of extremely low humidity on comfort and fatigue of Japanese occupants

Hitomi Tsutsumi*, Yoshitaka Hoda, Hayato Ohashi, Yuta Ezaki, Junkichi Harigaya, Shin Ichi Tanabe, Toshihiko Ishizawa

*この研究の対応する著者

研究成果: Conference contribution

1 被引用数 (Scopus)

抄録

Subjective experiments were carried out in a climate chamber using Japanese subjects, in order to evaluate human comfort at very low humidity. Two levels of absolute humidity were set. Three air temperature conditions for each absolute humidity level were examined. People were exposed in a chamber for 90 minutes with sedentary activity. Subjective break up time got significantly shorter at extremely low absolute humidity. Air temperature had great impact on subjective general humidity sensation under the conditions set for this experiment. General dryness sensation at low absolute humidity was significantly greater than that at high absolute humidity with same air temperature. Subjects felt their eyes were dryer at low air temperature at the same moisture content in air. In case of the constant air temperature, low absolute humidity caused greater eye dryness sensation. Subjective humidity discomfort of females was greater than male. Very low humidity air dry up the human mucous membrane. Half of subjects perceived their palm of hand as wetted segment even at extremely low humidity. They could feel more tired at low humidity under the cool and thermally neutral condition, while they complained more at high humidity in hot environment. It was found that females tended to be more tired than males even under the same condition.

本文言語English
ホスト出版物のタイトルIAQVEC 2007 Proceedings - 6th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings
ホスト出版物のサブタイトルSustainable Built Environment
ページ167-174
ページ数8
出版ステータスPublished - 2007
イベント6th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings: Sustainable Built Environment, IAQVEC 2007 - Sendai, Japan
継続期間: 2007 10月 282007 10月 31

出版物シリーズ

名前IAQVEC 2007 Proceedings - 6th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings: Sustainable Built Environment
1

Conference

Conference6th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings: Sustainable Built Environment, IAQVEC 2007
国/地域Japan
CitySendai
Period07/10/2807/10/31

ASJC Scopus subject areas

  • エネルギー工学および電力技術
  • 再生可能エネルギー、持続可能性、環境

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