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Academic literature on the topic 'Constructions – Isolation thermique – Effets du climat'
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Dissertations / Theses on the topic "Constructions – Isolation thermique – Effets du climat"
Toesca, Adrien. "Evaluer les performances des bâtiments urbains passifs face aux canicules à venir." Electronic Thesis or Diss., Lyon 1, 2023. http://www.theses.fr/2023LYO10054.
Full textIn the context of global warming, extreme weather events such as heatwaves will be longer, more frequent and more intense. These heatwaves are amplified in cities by the urban heat island phenomenon and are likely to affect a majority of the world's population since more than half of the world's people live in urban areas, with an increase in recent decades. Furthermore, residential buildings in Europe are currently very poorly equipped with air conditioning systems and the social benefits of increasing the penetration rate of air conditioning systems are questionable. A majority of people are therefore likely to be vulnerable to future heat waves. This observation reveals the need to address the following problem: how to assess the performance of passive urban residential buildings during the heatwaves expected in the coming decades? This thesis consisted in defining the different elements of an evaluation protocol to answer this problem. First of all, relevant simulation tools were defined. These tools were compared with in-situ measurements carried out in Lyon during the summer of 2020. The comparison reveals that the tools accurately model the indoor thermal environments of passive urban residential buildings. A methodology was then developed to create heatwave meteorological data sets that are representative of the diversity of heatwaves that buildings could experience in the coming decades. Bibliographic research was carried out to identify relevant indicators for assessing the sensation of heat in the indoor environment of buildings. Finally, the evaluation protocol was tested for 4 case studies located in the city of Lyon. The results show that building performances are varied with respect to the diversity of future heatwaves. Some heatwaves are problematic as they lead to extreme thermal sensations inside the buildings. For other heatwaves, the buildings tested are still able to provide healthy indoor environments
Miranville, Frédéric. "Contribution à l'étude des parois complexes en physique du bâtiment : modélisation, expérimentation et validation expérimentale de complexes de toitures incluant des produits minces réfléchissants en climat tropical humide." La Réunion, 2002. http://tel.archives-ouvertes.fr/tel-00463069/fr/.
Full textMiranville, Frédéric. "Contribution à l'Etude des Parois Complexes en Physique du Bâtiment : Modélisation, Expérimentation et Validation Expérimentale de Complexes de Toitures incluant des Produits Minces Réfléchissants en climat tropical humide." Phd thesis, Université de la Réunion, 2002. http://tel.archives-ouvertes.fr/tel-00463069.
Full textComair, Fadi Georges. "Etude des propriétés thermiques et mécaniques des matériaux de construction : application à l'habitat du Moyen-Orient." Lyon 1, 1989. http://www.theses.fr/1989LYO10077.
Full textVilleneuve, Joey. "Étude et analyse des effets d'une solution moussante sur le micro climat d'une serre, lorsqu'utilisée comme isolation et ombrage entre les matériaux de couvertures." Master's thesis, Université Laval, 2010. http://hdl.handle.net/20.500.11794/22073.
Full textGrosdemouge, Virginie. "Proposition d'indicateurs de confort thermique et estimation de la température radiante moyenne en milieu urbain tropical. Contribution à la méthode nationale d'évaluation des ÉcoQuartiers." Thesis, La Réunion, 2020. http://www.theses.fr/2020LARE0033.
Full textFeedback from the post-occupancy evaluation carried out in the eco-neighbourhood (EQ) of Ravine Blanche, in Reunion Island, shows that some indicators proposed by the French eco-neighbourhood evaluation model are not suitable for specific application in tropical climate. This thesis demonstrates that a building performance indicator based on a level of thermal comfort seems more appropriate in a tropical urban environment. A literature review of the main existing outdoor thermal comfort indices has been carried out. Two relevant indices for application in a tropical climate have been chosen: the PET and the UTCI indices. In addition, this research study mainly focuses on the definition and estimation of the mean radiant temperature (Tmrt), which is one of the most important factors that influence human thermal comfort in outdoor spaces. However, Tmrt is particularly difficult to determine, whether in terms of in-situ measurements or numerical modelling. An experimentation based on an existing methodology has been set up so as to estimate Tmrt. This thesis also proposes a methodology relating to how to conduct field surveys in outdoor environments with micrometeorological measurements. People’s subjective thermal perception in a coastal outdoor urban environment of the EQ of Ravine Blanche has been investigated during summer. Furthermore, two popular radiation measurement techniques in determining Tmrt (black globe & grey globe) have been studied. The choice of the method has an impact on the thermal comfort indices values. Finally, the PET and UTCI indices have been calibrated and their respective comfort zones have been defined for the climate of Saint-Pierre
Lenoir, Aurélie. "On Comfort in Tropical Climates. The design and operation of Net Zero Energy Buildings." Thesis, La Réunion, 2013. http://www.theses.fr/2013LARE0038.
Full textThis thesis investigates a comfort approach for the design and the operation of Net Zero Energy Buildings (Net ZEBs) in tropical climates. The work is part of an international research project, Task 40 / Annex 52 led by the International Energy Agency (IEA), that concerns net zero energy solar buildings. The case study of the ENERPOS building located in Reunion Island is one of the 30 Net ZEBs selected by the IEA to create a database of demonstration projects worldwide. The point of departure of the study is the observation that one of the challenges facing the intertropical zone today is the growing energy demand. Passive design is suggested as a possible solution to reduce the energydemand of buildings. This approach leads to dealing with comfort issues rather than energy issues, as is usually the case. In spite of the inherent subjective nature of occupant comfort, there is an essential need for methods and tools to characterise comfort in relation to the physical parameters of the environment, for instance, temperature, humidity, air speed and illuminance. Different approaches to thermal and visual comfort are introduced, with the aim of proposing comfort evaluation criteria that are adapted to the design offices. A thermal comfort survey of the occupants of the ENERPOS building, based on over 2,000 feedbacks was conducted from 2008 to 2011. The results have led to the recommendation of modifications in the Givoni comfort zones, notably by extending the maximum humidity level, for passive buildings combining the use of natural ventilation and ceiling fans. An innovative methodology using simulations and taking the passive behaviour of the building into account, as opposed to the conventional approach with regard to energy use, is proposed to facilitate the optimisation of the design of passive buildings. The study focuses on the design of solar shading, given the extensive role it plays in tropical climate, as well as the direct impact it has on both thermal and visual comfort of building occupants. Although the design phase aims to optimise the building to limit both discomfort and energy consumption, the operation of the building remains the critical phase that is often neglected or overlooked by design teams. A broad examination of the operation phase of the ENERPOS building, since its construction, from both energy and users’ point of view, illustrates that a building can reduce its energy consumption significantly, and thus, its environmental impact while maintaining an acceptable level of comfort for its users
Nguyen, Thi Thanh Huyen. "Analyses du comportement de rupteurs thermiques sous sollicitations sismiques." Phd thesis, École normale supérieure de Cachan - ENS Cachan, 2012. http://tel.archives-ouvertes.fr/tel-00947635.
Full textLe, Bloa Gaël. "Caractérisation du comportement sismique d’une connexion hybride plancher-voile utilisée comme rupteur de ponts thermiques." Thesis, Rennes, INSA, 2014. http://www.theses.fr/2014ISAR0027.
Full textThe main objective of the PhD thesis is the structural evaluation of a hybrid structural connection at the slab-to-wall junction in concrete shear wall buildings under seismic action. The lack of normative and scientific literature for the characterization of this kind of systems leads us to devise an original protocol for the characterization which is mainly built on a large-scale experimental analysis of behaviour of the slab-towall connection. First, we explain the reasons that led us to design an innovative thermal break system, the SLABE, which is thermally insulated hybrid connection for the slab-to-wall junction. Then we analyse the existing protocols for the cyclic characterization of similar structural systems ("coupling beams" or "shearheads"). Based on the outcome of this investigation, we propose an experimental program composed with three test series: two large-scale campaigns where the actual loading conditions in a building are reproduced (horizontal and vertical shear forces) and an axial test campaign. The test results provided the required information to correctly characterize the behaviour of the hybrid connection in the three directions in space. The results of the experimental campaigns are presented in detail. In particular, they show that the connection, under cyclic loads, exhibits a quasi-elastic and stable behaviour at usual seismic load levels, in France. In addition, these tests highlight the large reserve of ductility of the system that guarantees the robustness of the system. This is essential for seismic actions which have by nature a high degree of uncertainty. The impact of the slab-to-wall connexion on the structural behaviour of buildings is evaluated through a structural analysis on representative structures. We particularly analyse the modal response and the force redistribution between the internal and external shear walls. Based on the outcome of this study, we suggest a seismic design method for reinforced concrete structures equipped with these structural elements. Along with that, we propose a computational tool for engineers. The completeness of the presented validation approach makes it a benchmark, already recognized by the French authorities granting technical approvals. It could be proposed as a standard protocol for the validation of other thermal break systems or hybrid slab-to-wall connections, at European level
Pflug, Thibault. "Development, characterization and evaluation of switchable façade elements." Thesis, Strasbourg, 2016. http://www.theses.fr/2016STRAD017/document.
Full textImportant thermal insulation levels can prevent the building to cool down during the cooling period, when the external conditions are favorable. In this thesis, the concept of switchable insulation is developed: during the cooling period, the insulation can be deactivated during the night to let the heat flow out. During the heating period, the switchable insulation can be deactivated whenever solar gains can be used. In this thesis the potential of switchable insulation for an European continental climate and for office buildings is investigated. Also, two new concepts of switchable insulation are introduced, developed and characterized experimentally. A detailed thermal model has been introduced, validated and used for a parametric analysis. The potential of switchable insulation is investigated on a building level, showing that important reductions of the heating and cooling load as well as summer discomfort hours can be achieved. Several control strategies have been developed, introduced and compared. The influence of thermal mass was also investigated, as well as the influence of the orientation or the elements’ frame