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Air humidity and perceived air quality.

Author(s) : DKV, FANGER P. O.

Summary

Indoor air humidity has for decades been neglected. The relative humidity was rather unimportant for human beings as long as it was kept between 30 and 65 or 70%. Humidity, in the comfort range of temperatures, has a minor impact on the thermal sensation of the entire human body. Ventilation rates required to obtain a certain perceived air quality have also been assumed to be independent of humidity. The philosophy has been that pollutants from indoor sources need to be diluted by outdoor air to a certain level. The thinking has hitherto been that the required ventilation could be found from a mass balance. But new studies at the Technical University of Denmark have shown that perceived air quality is also strongly influenced by the humidity and temperatrure of the air we inhale. People prefer rather dry and cool air.

Details

  • Original title: Air humidity and perceived air quality.
  • Record ID : 1999-0436
  • Languages: English
  • Source: DKV-Tagungsbericht 24. 1997, Hamburg.
  • Publication date: 1997/11/19
  • Document available for consultation in the library of the IIR headquarters only.

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