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Evaluation de la performance thermique d'une enveloppe en période estivale. Test sur une cellule expérimentale en conditions extérieures

Abstract : Ensuring the proper thermal performance of a building’s envelope upon reception is an important stage in the life cycle of the building. Several methods already exist for this purpose, and consist of heating the interior of the measured building. These measurement’s protocols quantify the dynamic evolution of indoor and outdoor temperatures, and the thermal power injected into the building. These methods require a difference of a few degrees between the interior and the exterior, which can cause in summer periods a risk of damaging the building as the outside temperature may already be high. The objective of this work is to explore the possibility of determining the intrinsic thermal performance of a building’s envelope in the summer period using a cooling system. Some encouraging experiments were conducted on a one square meter scale cell in an indoor environment. The focus of this paper is to test a similar method in an outdoor Passys test cell of 40m3 and to explore the capacities and limitations of the method at this scale. Results in cooling mode are comparable to different heating modes acting as reference and first results with and without condensation phenomena are studied.
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https://hal-cea.archives-ouvertes.fr/cea-03777202
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Submitted on : Wednesday, September 14, 2022 - 2:30:47 PM
Last modification on : Thursday, September 15, 2022 - 4:24:08 AM

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  • HAL Id : cea-03777202, version 1

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Marie Tanchou, Arnaud JAY, Hafsa Fares. Evaluation de la performance thermique d'une enveloppe en période estivale. Test sur une cellule expérimentale en conditions extérieures. IBPSA France 2022, May 2022, Chalons-en-Champagne, France. pp.1-8. ⟨cea-03777202⟩

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