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Abstract: Transient plane source (TPS) method is one of the fastest and most accurate ways to measure the thermal properties of smooth, flat samples. This paper aimed to compare the thermal conductivity measurements of several varieties of sensors, especially focusing on the accuracy of sensors used for cylindrical samples. The hot disk TPS method measured the thermal conductivity of a one-dimensional finite slab. The TPS sensor had the most accurate results compared to the other flat sensors that were tested, but the sensor used for cylindrical samples had the highest measurements sensitivity of all the methods. 

Reference: Journal of Thermal Science and Engineering Applications, 9, 1 (2016) 1-12

DOI: 10.1115/1.4034178