Multiple tracer gas techniques for measuring interzonal airflows for three interconnected spaces

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TypeArticle
Journal titleASHRAE Transactions
ISSN0001-2505
Volume96
Issue1
Pages590598; # of pages: 9
Subjectair flow; rooms; tracer gas; Air flow/Wind pressure; ecoulement de l'air; local; gaz traceur
AbstractThe multiple tracer gas method is often used to predict interzonal airflows in buildings. In a previous study, this method was applied to a space consisting of two interconnected rooms where the airflows through the common wall were controlled and measured. The results indicated that the predicted airflows based on different sets of simultaneously measured tracer gas concentrations (obtained at different sampling times during a test) were not always the same. Guidelines are, therefore, needed to facilitate the selection of the appropriate set of tracer gas concentrations (from the measurements) for use with the multiple tracer gas method. In this study, the test rooms were expanded to three interconnected rooms. A method was developed to determine the appropriate set of concentrations for interzonal airflow calculations. The proposed method was tested in the laboratory and the results are discussed.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
NotePresented at the 1990 ASHRAE Winter Meeting, Atlanta, GA, USA, Feb. 10-14, 1990
Peer reviewedYes
IdentifierIRC-P-1652
NRC number31711
4191
NPARC number20358742
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Record identifier7e5ab596-d3e4-4d53-a59f-8109683f6998
Record created2012-07-20
Record modified2016-05-09
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