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Thermographic investigation of heat source in transversely isotropic composites

Abstract : This paper deals with the estimation of heat sources from infrared thermographic measures on anisotropic CFRP (Carbon-Fibre Reinforced Composites). Such procedure combines the data processing of the thermal signal, especially as spatial and temporal derivation quantities involved in the heat equation are notably affected by the measurement noise, and the determination of thermo-physical properties of the material, especially to account for the anisotropic conductivity behavior of the material. A comparative analysis of different filtering techniques is done to define a filtering method able to decrease the noise while keeping the useful features of the signal. Then, we use a homogenization scheme based on single-inhomogeneity solutions of Eshelby to derive the transversely isotropic thermal conductivity tensor.
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Contributor : Open Archive Toulouse Archive Ouverte (oatao) <>
Submitted on : Thursday, October 25, 2018 - 5:21:39 PM
Last modification on : Friday, February 26, 2021 - 10:26:02 AM
Long-term archiving on: : Saturday, January 26, 2019 - 4:04:57 PM


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  • HAL Id : hal-01905409, version 1
  • OATAO : 20090


Benjamin Valès, Victor Alfonso Munoz Cuartas, Hélène Welemane, Marie-Laetitia Pastor, Baptiste Trajin, et al.. Thermographic investigation of heat source in transversely isotropic composites. International Conference on Structural Analysis of Advanced Materials (ICSAAM 2017), Sep 2017, Bucarest, Romania. pp.030043-1. ⟨hal-01905409⟩



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