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Insulating materials were made from recycled clay waste using technologies developed by the author were tested for their thermal conductivity using the transient line source technique over a temperature range of 0-60°C. The clay used was mainly composed of kaolinite. A weight reduction was obtained by using wood aggregates. Different weight percentages of wood aggregates (0, 25, 30, 40, 50%) and the thermal conductivity curves are ...
Asphalt concrete must often endure a range of different weather conditions, and its thermal conductivity is affected by these changes. Using the Finite Element Method (FEM), this paper develops a two-dimensional numerical model used to study and predict environmental effects and validates it through experimental results from the transient plane source method. It was also shown that an increase in the ratio of the TPS sensor size to the maximum ...
Deicing and anti-icing performance of an innovative polyurethane pavement surface layer that replaces asphalt binder was studied. Thermal properties of polyurethane concrete and asphalt concrete were measured using a Thermal Constants Analyzer with transient plane source (TPS) method. Results found that polyurethane concrete had similar thermal conductivity to asphalt concrete, but a much greater specific heat. Polyurethane was also found to have a better anti-icing and deicing performance compared to ...
Concrete and sand that were replaced by coal bottom ash concrete were analyzed and compared for strength and heat conductivity. Thermal conductivity was measured using an instrument, based on the Transient Plane Source technique. When the samples contained 40% replacement coal, the thermal conductivity value was reduced by 35%, for 60% replacement the thermal conductivity value was reduced by 36.5%, and for 100% replacement, thermal conductivity was reduced further to around 51%....
