Characterization of the Airflow from a Bottom Hung Window under Natural Ventilation

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This paper describes the results of laboratory measurements of the airflow from a bottom hung window mounted near the ceiling of a ventilated room. In the laboratory set-up it was possible to control the temperature difference and the airflow rate through the window. The pressure drop through the window was measured as well as the velocity distribution in the incoming airflow. Airflow patterns and penetration depth of a cold jet were studied with smoke visualisation.
Original languageEnglish
Place of PublicationAalborg
PublisherDept. of Building Technology and Structural Engineering, Aalborg University
Number of pages6
Publication statusPublished - 2000
SeriesIndoor Environmental Engineering

Bibliographical note

Proceedings of ROOMVENT 2000, 7th International Conference on Air Distribution in Rooms, Reading, UK, July 9-12, 2000, Vol. 2, pp. 755-760

PDF for print: 12 pp.


  • Ventilation
  • Airflow
  • Bottom Hung Window
  • Natural Ventilation
  • Air Velocity
  • Air Distribution
  • Cold Jet


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