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Empirical Validation of a Thermal Model of a Complex Roof Including Phase Change Materials

Abstract : This paper deals with the empirical validation of a building thermal model using a phase change material (PCM) in a complex roof. A mathematical model dedicated to phase change materials based on the heat apparent capacity method was implemented in a multi-zone building simulation code, the aim being to increase understanding of the thermal behavior of the whole building with PCM technologies. To empirically validate the model, the methodology is based both on numerical and experimental studies. A parametric sensitivity analysis was performed and a set of parameters of the thermal model have been identified for optimization. The use of a generic optimization program called GenOpt ® coupled to the building simulation code enabled to determine the set of adequate parameters. We first present the empirical validation methodology and main results of previous work. We then give an overview of GenOpt ® and its coupling with the building simulation code. Finally, once the optimization results are obtained, comparisons of thermal model of PCM with measurements are found to be acceptable and are presented.
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Submitted on : Friday, December 25, 2015 - 8:32:06 AM
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Stéphane Guichard, Frédéric Miranville, Dimitri Bigot, Bruno Malet-Damour, Teddy Libelle, et al.. Empirical Validation of a Thermal Model of a Complex Roof Including Phase Change Materials. Energies, MDPI, 2016, 9 (1), ⟨10.3390/en9010009⟩. ⟨hal-01248334⟩



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