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Abstract
Presents the results and data analysis pertaining to these results for three round robins on the thermal performance of guarded hot plates and heat flow meters when measuring the thermal resistance properties of low-density glass fibrous thermal insulations. The three round robins were carried out under the sponsorship of the ASTM Subcommittee C-16.30 on Thermal Measurements and the Mineral Insulation Manufacturers Association. The test results are compared to a reference equation and to each other to illustrate intralaboratory and interlaboratory reproducibility as well the dependencies on temperature, density, plate emittance, specimen thickness and fiber diameter. The study shows that, with good laboratory practices, interlaboratory agreement of about 2 percent is obtained. More than 300 test results obtained by 12 different laboratores are reported. This report also discusses the magnitude of the specimen thickness effect and its dependence on plate emittance.
Presents the results and data analysis pertaining to these results for three round robins on the thermal performance of guarded hot plates and heat flow meters when measuring the thermal resistance properties of low-density glass fibrous thermal insulations. The three round robins were carried out under the sponsorship of the ASTM Subcommittee C-16.30 on Thermal Measurements and the Mineral Insulation Manufacturers Association. The test results are compared to a reference equation and to each other to illustrate intralaboratory and interlaboratory reproducibility as well the dependencies on temperature, density, plate emittance, specimen thickness and fiber diameter. The study shows that, with good laboratory practices, interlaboratory agreement of about 2 percent is obtained. More than 300 test results obtained by 12 different laboratores are reported. This report also discusses the magnitude of the specimen thickness effect and its dependence on plate emittance.
Date
5/1985
5/1985
Author(s)
J G Hust; C M Pelanne
J G Hust; C M Pelanne
Page(s)
120
120
Keyword(s)
thermal conductivity; guarded hot plate; heat flow meter; density thermal insulation; thickness effect
thermal conductivity; guarded hot plate; heat flow meter; density thermal insulation; thickness effect