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Effect of air diffuser layout on the ventilation conditions of a workstation - Part II : Air change efficiency and ventilation efficiency

From National Research Council Canada

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Affiliation
  1. National Research Council of Canada. NRC Institute for Research in Construction
FormatText, Article
SubjectIndoor Environment; Indoor Air Quality; Ventilation; Environnement intérieur; Qualité de l'air intérieur
Abstract
Tests were conducted in an enclosed room fitted with a mock-up workstation to determine the effect of air diffuser types and layouts on the ventilation condition of the workstation. Seven different layouts including two types of air diffusers were tested. For each air diffuser layout, tracer gas tests were conducted to measure air distribution patterns, air change efficiency, and ventilation efficiency return air duct. Additional tests were also conducted to investigate the effect of gap heights at the base of workstation partitions and the supply air rate on the air distribution pattern within the workstation and its surrounding areas. The results are presented in two papers. Part 1 presents the heights at the base of workstation partitions and airflow rates on these patterns. Part II, this paper, presents the results of air change efficiency and ventilation efficiency.
Publication date
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  • ASHRAE Transactions 99, no. 2 (1993): 133–143.
NotePresented at the 1993 ASHRAE Annual Meeting held in Denver, CO, USA, June 26-30, 1993
LanguageEnglish
Peer reviewedYes
IdentifierIRC-P-1962
NRC numberNRCC 34928
NRC-IRC-4294
NPARC number20358902
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Record identifier349d7294-617f-40b3-903c-a18af43f6a95
Record created2012-07-20
Record modified2020-06-06
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