Displacement Ventilation: effects of movement and exhalation

Erik Bjørn, Magnus Mattsson, Mats Sandberg, Peter V. Nielsen

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Full-scale experiments were made in a displacement ventilated room with two breathing thermal manikins to study the effect of movements and breathing on the vertical contaminant distribution, and on the personal exposure of occupants. Concentrations were measured with tracer gas equipment in the room and in the inhalation of both manikins. Tracer gas was added in the heat plume above a sitting manikin, or in the exhalation through either the nose or the mouth. The other manikin moved back and forth at different speeds on a low trolley. The mentioned experimental conditions have a significant influence on contaminant distributions and personal exposures.
Original languageEnglish
Place of PublicationAalborg
PublisherDept. of Building Technology and Structural Engineering
Number of pages6
Publication statusPublished - 1997
SeriesIndoor Environmental Technology

Bibliographical note

Proceedings of "Healthy Buildings '97", 5th International Conference on Healthy Buildings, September 27 - October 3, 1997, Washington DC, USA

PDF for print: 12 pp.


  • Aircondition
  • Displacement Ventilation
  • Effects of Movement
  • Exhalation

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