La diversité environnementale en architecture : potentiel de l'image numérique pour l'exploration des ambiances lumineuses et thermique in situ

Authors: Lépine, Pierre
Advisor: Demers, Claude M. H.Potvin, André
Abstract: The energy efficiency of a building is closely linked to the experience of occupants in architecture. Architects neglecting the visual and thermal qualities of light during the preliminary phase of design can lead to occupants discomfort and deceiving energy performance of the building. Architects must integrate environmental diversity as a design criteria at the first stage of design. While the assessment of the quantitative aspect of light and heat has been widely explored, very few researchers investigated the combined visual and thermal qualities of light over space and time. Energy modeling softwares, which are often used in the design and construction industry, tend to rely on precise information such as the nature of all materials and need countless information to operate, which allows only experts to get a detailed insight on the visual and thermal behavior of a building. This also makes energy simulation modeling inadequate at the first stage of design since a lot of parameters are still unknown. We could therefore say that software simulation «validates» a design concept, but cannot help «generate» that concept. That being said, it can be difficult for designers to figure out how the «invisible» (i.e. the thermal environment) part of the physical environment varies without the involvement of software modeling. There is indeed a need for a new method, a new type of precedents in architecture, devoted to train the eye of the architects to predict, by intuitive thinking, the behavior of lighting and thermal patterns of daylighting in time and space. This research explores the potential of using photographic and thermographic cameras in conjunction with three-dimensional models for the representation and assessment of the quality of light and heat in existing buildings. Recent development in infrared thermal imagery now offers the opportunity to open up the invisible thermal aspect of space to architects, integrating three-dimensional modeling, a powerful tool for visualizing and representing building environments, widely used by architects. The correct representation of the dynamics of those ambiances can generate considerable benefits on the understanding and the assessment of existing buildings and thus set up an unlimited source of precedents to seek advice from during the design of a new construction. As tangible artifacts, they constitute material entities with which to interact and thereby develop knowledge. Keywords: Luminous and thermal diversity, architecture, digital imagery, contrast, visualization, representation, 3d modelling.
Document Type: Mémoire de maîtrise
Issue Date: 2011
Open Access Date: 18 April 2018
Grantor: Université Laval
Collection:Thèses et mémoires

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