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Tracer
Gas Measurements for Ventilation, Air Movement and Air Infiltration in a
Four-Sided Atrium Office Building
James
T. Reardon, Morad R. Atif and Chia-yu Shaw
Institute for Research in Construction, National Research Council of
Canada
Abstract
The research described in
this paper is part of a project aimed at improving energy costs and the
indoor environment of atrium buildings.
Tracer gas techniques were used to assess the ventilation
performance in terms of air distribution and contaminant migration
patterns and to measure the air infiltration rate of a three-storey
atrium. This atrium serves as
an entrance to a large office-laboratory complex.
The results indicate that even though the HVAC systems of the test
atrium are connected to the building complex, tracer gas techniques were
successfully used to determine the air distribution and contaminant
migration patterns, and the air infiltration rate.
A detailed description of the methods used and the test results are
presented.
Key words: Atrium, ventilation performance, tracer gas
measurements, air distribution, contamination migration patterns, air
infiltration rate, case study.
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