Large-scale wall heat-flow measuring apparatus

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Journal titleASHRAE Transactions
Pages541550; # of pages: 10
Subjectheat transfer; measuring instruments; Heat performance
AbstractThe Division of Building Research of Canada's National Research Council has recently completed construction of an apparatus to measure steady-state and periodic heat flow through 8-ft square wall sections at its Building Research Centre in Ottawa. The apparatus consists of two 8- by 8- by 4-ft boxes open on one side, between which the test wall is placed. One box is maintained at the desired constant cold side temperature from -35 degrees F to +50 degrees F for steady-state tests or varied according to some predetermined cycle for periodic heat flow tests. The other box is electrically heated to maintain a constant warm side temperature of from 65 degrees F to 75 degrees F. The heat transmission coefficient for the wall specimen is calculated from the measured electrical input and temperatures.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedNo
NRC number5421
NPARC number20331535
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Record identifier75a1f6cf-f5a1-42e7-97f2-764b87ec08c3
Record created2012-07-18
Record modified2016-05-09
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