Abstract
In this article, an experimental setup was developed to measure the transient temperature response in fibrous insulation. The radiative properties were modified to take anisotropic scattering in fibrous insulation into account. A model of combined radiation and conduction heat transfer through fibrous insulation was generated based on the two-flux approximation. Using the measured transient temperature response, the Levenberg–Marquardt method was utilized to identify the equivalent radiative properties and thermal conductivities of fibrous insulation. The identified thermal properties were validated by transient and steady state experimental results of fibrous insulation. Satisfactory agreement was obtained.
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Zhao, Sy., Zhang, Bm., Du, Sy. et al. Inverse Identification of Thermal Properties of Fibrous Insulation from Transient Temperature Measurements. Int J Thermophys 30, 2021–2035 (2009). https://doi.org/10.1007/s10765-009-0680-5
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DOI: https://doi.org/10.1007/s10765-009-0680-5