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Study of methodology for quantitative thermal diagnostic of wall

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Abstract

Non-destructive evaluation (NDE) method has been popularly used for thermal diagnosis of building envelop in order to retrofit old buildings, detect civil engineering structures and accredit new buildings. The infrared thermography technique has been widely applied in the NDE method. In order to develop new solutions for diagnostic of local thermal performance, experiments were carried out on two cases of multi-layer walls. Experimental results of emissivity, temperature, and heat fluxes will be shown and analyzed in this article. The main originality of this work is to try to compute the front face temperature response to transient periodic heating by computing the front face pulse response. Such front face pulse response is obtained by a deconvolution method and a TSVD inverse method. The thermal properties of the wall will be characterized through the opotimization method based on the thermal quadrupoles model.
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hal-01651857 , version 1 (29-11-2017)

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Yingying Yang, Alain Sempey, T Vogt-Wu, Alain Sommier, Jean Dumoulin, et al.. Study of methodology for quantitative thermal diagnostic of wall. QIRT-Asia 2017 - 2nd Asian Conference on Quantitative InfraRed Thermography, Jul 2017, Daejeon, South Korea. pp.1-3, ⟨10.21611/qirt.2017.014⟩. ⟨hal-01651857⟩
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