A study of the effects of edge insulation and ambient temperatures on errors in guarded hot-plate measurements

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Pages521526; # of pages: 6
AbstractThe error due to edge effects of the guarded-hot-plate apparatus has limited the thickness of specimens that may be tested to approximately one third the dimension of the central section of the heating unit. Samples of known conductivity were tested using various thicknesses of edge insulation and various ambient temperatures. It was found possible to determine the optimum edge conditions so that errors due to edge effects are negligible for very thick specimens.
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AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedNo
NRC number10680
NPARC number20373925
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Record identifier14933efd-e57c-427a-a2aa-fd6006859913
Record created2012-07-23
Record modified2016-05-09
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