Air leakage measurements of the exterior walls of tall buildings

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Journal titleASHRAE Transactions
Pages4048; # of pages: 9
Subjectwalls; air leakages; high rise buildings; air tightness; air conditioning engineering; Walls; mur; penetration de l'air; construction elevee; etancheite a l'air; calcul de conditionnement d'air
AbstractThis paper describes an experimental procedure for determining the air leakage characteristics of the exterior walls of buildings. The technique consists in pressurizing the building with the supply air system and recording the supply air flow rate and the resultant pressure differentials across the walls. The study of the results obtained makes it possible to establish an air flow coefficient and exponent for exterior walls. By applying this method to air flow rates and pressure differentials obtained using a computer-simulated building, it is possible to verify the procedure and confirm that the results obtained correlate closely with air flow characteristics used in the simulation. The air leakage properties of the exterior walls of four buildings, determined using this method, are also presented.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
NoteAlso presented at the 1973 ASHRAE Spring Conference, Louisville, KY, USA, June 24-28, 1973 and the 1st AIC Conference, Berkshire, UK, October 10, 1980
Peer reviewedYes
NRC number13951
NPARC number20375519
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Record identifierab14843f-f10c-46d0-a0f2-5d8d87af3b3e
Record created2012-07-23
Record modified2016-05-09
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