Draft performance of chimneys

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Journal titleASHRAE Journal
Pages4954; # of pages: 6
SubjectAir flow/Wind pressure
AbstractDraft, efficiency, and friction loss records obtained with masonry chimneys of three different heights were compared with previous records and with calculations based on model tests. The non-isothermal friction losses were found to be far greater than isothermal losses due to natural convection effects. The effect of low wind speeds over the chimney top was also found to be considerable. Similar wind effects were found in model tests and this indicates that wind effects for chimneys can be treated separately from steady-state performance and studied using models.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedNo
NRC number5948
NPARC number20338554
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Record identifier94091768-7647-40e0-bf0a-6b18b74a94ed
Record created2012-07-19
Record modified2016-05-09
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