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Contribution au stockage d'énergie thermique en bâtiment : développement d'un système actif à matériaux à changement de phase

Abstract : The aim of our thesis work is to design size and manufacture an active system to phase change materials (PCM) for cooling and warming the house Napévomo located in Aquitaine, the latter participating in the Solar Decathlon competition (SDE2010). The approach proposed is intended to provide the reader with enough knowledge in thermal storage based on PCM to tockle the design of a cooling and heating system in passive building. The approach started by a state of the art of thermal storage systems based on PCM and determines the design requirements. These data leads us to developed a numerical model based on a static approach NUT-ε through the PCM characterization determine the main dimensioning elements of the system. The design is validated according to the energy loss of the system and it performance coefficient. The system has been manufactured in full size. It consists in four heat exchanger containing the PCM. Each heat exchanger is composed by exchanger a cluster of PCM. They are arranged in staggered rows on columns of tubes. A set of experimental devices has been made to observe the improvement of the heat exchange conductivity between the environment and the heat exchanger containing the PCM. The tests performed on one of the exchangers show encouraging results. Indeed, it enables to cool down in 7-8 hours and to regenerate the PCM during of 6 hours. At the Solar Decathlon (SDE2010), the developed system has proved to be efficient in cooling down the ambient air during the 6 days of the demonstration.
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https://pastel.archives-ouvertes.fr/pastel-00650275
Contributor : Serge Blaise Ekomy Ango <>
Submitted on : Friday, December 9, 2011 - 4:11:19 PM
Last modification on : Thursday, January 11, 2018 - 6:20:34 AM
Long-term archiving on: : Monday, December 5, 2016 - 8:06:03 AM

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Serge Ekomy Ango. Contribution au stockage d'énergie thermique en bâtiment : développement d'un système actif à matériaux à changement de phase. Génie des procédés. Arts et Métiers ParisTech, 2011. Français. ⟨NNT : 2011ENAM0032⟩. ⟨pastel-00650275⟩

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