Thermal diffusivity measurement of insulating material using infrared thermography |
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Authors: | S Chudzik |
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Institution: | (1) Institute for Advanced Ceramics, Department of Materials Science, Harbin Institute of Technology, Harbin, 150001, China; |
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Abstract: | The article presents the results of research developing methods for determining the coefficient of thermal diffusivity of
thermal insulating material. This method applies a periodic heating as an excitation and an infrared camera is used to measure
the temperature distribution on the surface of tested material. In simulation study, the usefulness of known analytical solution
of the inverse problem was examined using a three-dimensional model of the phenomenon of heat diffusion in the sample of tested
material. To solve the coefficient inverse problem, an approach using artificial neural network is proposed. The measurements
were performed on an experimental setup equipped with a ThermaCAM PM 595 infrared camera and frame grabber. The experiment
allowed to verify the chosen 3D model of heat diffusion phenomenon and to determine suitability of the proposed test method. |
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Keywords: | |
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