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Abstract: This article is an excellent showcase of the ability of the Hot Disk TPS to measure the thermal conductivity of saturated samples. The author compares the thermal property measurement of dry and wet (40% by wet weight) building materials. The fast test time of the Hot Disk TPS enables it to get a reading prior to moisture redistribution affecting the measurement. A low temperature rise during the test further facilitates this. The design of the Hot Disk sensor leads to low contact resistance due to the thin and flat structure. A large increase in the thermal conductivity was observed in the wet samples relative to that of the dry samples.

Reference: Proceedings of the 4th WSEAS Int. Conf. on HEAT TRANSFER, THERMAL ENGINEERING and ENVIRONMENT, Elounda, Greece, August 21-23, 2006 (pp140-145)

DOI: N/A