Exposure Due to Interacting Air flows Between Two Persons

Erik Bjørn, Peter V. Nielsen

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The contaminant concentration inhaled by an occupant (ie. the personal exposure) is usually less than the return concentration in displacement ventilated rooms. Two main questions are investigated:
1) Does the exhalation from one person penetrate the breathing zone of another person placed nearby, thus leading to larger personal exposure?
2) When two persons are placed close to each other, do the convective boundary layer flows interact so that the personal exposure to an ambient concentration field is altered?
Original languageEnglish
Place of PublicationAalborg
PublisherDept. of Building Technology and Structural Engineering
Number of pages8
Publication statusPublished - 1996
SeriesIndoor Environmental Technology

Bibliographical note

Presented at the 5th International Conference on Air Distribution in Rooms, ROOMVENT '96, Yokohama, Japan, July 17-19, 1996

PDF for print: 15 pp.


  • Aircondition
  • Exosure
  • Interacting Air Flows
  • Respiration
  • Thermal Manikins

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