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Abstract: This paper highlights the use of the transient plane source (TPS) technique to test the thermal properties of porous building materials, such as autoclaved aerated concrete and calcium silicate boards reinforced by cellulose fibers. Transient methods relay multiple thermophysical parameters, such as thermal diffusivity, specific heat, and thermal conductivity, all in one measurement – a highly sought after trait. Measurements were performed to compare the transient method to other methods of measuring thermal conductivities, such as the guarded hot plate, to verify its accuracy. The TPS technique yielded thermal conductivity results within reason of results from the literature – any differences can be related to differences in batches tested.

Reference: Institute of Physics SAS (2014)

DOI: N/A