publication . Contribution for newspaper or weekly magazine . 2009

Buoyancy Driven Natural Ventilation through Horizontal Openings

Heiselberg, Per;
Open Access English
  • Published: 01 Jan 2009
  • Publisher: Tokyo University of Science
  • Country: Denmark
Abstract
<p style="text-align: left">An experimental study of the phenomenon of buoyancy driven natural ventilation through single-sided horizontal openings was performed in a full-scale laboratory test rig. The measurements were made for opening ratios <em>L/D </em>ranging from 0.027 to 4.455, where <em>L </em>and <em>D </em>are the length of the opening and the diameter of the opening, respectively. The basic nature of airflow through single-sided openings, including airflow rate, air velocity, temperature difference between the rooms and the dimensions of the horizontal openings, were measured. A bi-directional airflow rate was measured using the constant injection tr...
Subjects
Medical Subject Headings: respiratory tract diseases
free text keywords: Natural ventilation, Air flow rate, Buoyancy, Horizontal opening, Tracer gas, LES
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Contribution for newspaper or weekly magazine . 2009
Provider: VBN
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