Comfort limits for asymmetric thermal radiation

P. O. Fanger*, B. M. Ipsen, G. Langkilde, B. W. Olessen, N. K. Christensen, S. Tanabe

*この研究の対応する著者

研究成果: Article査読

141 被引用数 (Scopus)

抄録

Groups of 32 and 16 subjects of both sexes were exposed in an environmental chamber to radiant asymmetry caused by a cool wall, a warm wall, and a cool ceiling. Each subject was tested individually while seated and clothed at 0.6 clo. During each 3.5-hour experiment the subject was exposed to six radiant temperature asymmetries. He was asked whether and where he experienced any local cool or warm sensation, and whether it was felt to be uncomfortable. During the entire experiment he was kept thermally neutral by changing the air temperature according to his wishes. For cool walls, warm walls, and cool ceilings curves have been established showing the percentage of dissatisfied subjects as a function of the radiant asymmetry. Radiant asymmetry at a warm wall caused less discomfort than a cool wall. A cool ceiling caused less discomfort than a warm ceiling. Accepting that 5% of the subjects may feel uncomfortable. a radiant temperature asymmetry of 10°C is allowable at a cool wall, 23°C at a warm wall, and 14°C under a cool ceiling. A previous study showed that 4°C is allowable under a warm ceiling. Radiant asymmetry had no significant impact on the operative temperatures preferred by the subjects. No significant differences were observed between the responses of men and women exposed to radiant asymmetry.

本文言語English
ページ(範囲)225-236
ページ数12
ジャーナルEnergy and Buildings
8
3
DOI
出版ステータスPublished - 1985 8月
外部発表はい

ASJC Scopus subject areas

  • 土木構造工学
  • 建築および建設
  • 機械工学
  • 電子工学および電気工学

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