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Master Thesis

Spatial approach of the energy demand modeling at urban scale

Abstract : In the European Union, the residential building sectoris responsible for about 22 % of the total energy consumption. Over the last decades policy makers recognized the high potential of this sector to contribute towards reductions of CO2 emissions through the energy consumption reduction. Thermal buildings models is the subject of several researches and several model tools resulted in. Diversity of local contexts, data availability and stakeholders goals lead to search flexible models, with ability to create information for different application. However, renewal of buildings are decided at urban scale, hence the interest to expend the knowledge of the energy demand at a local scale instead of single building. The main goal of this stage is to link three well-known and complementary approaches: the physics of buildings, the typological approach and the Geographical Information Systems. By exploring the potential of bottom-up approaches, the models existing for single buildings are extrapolated for a complete set of households in a neighbourhood. Two heating demand models at local scale have been developed and tested on the neighbourhood of St Felix in Nantes. The first one is static and mainly inspired of EPCs (Energy Performance Certificates) while the second one is dynamic and funded on an electrical analogy (5R2C). Both of them couple GIS, the typological approach and building physics. Results are analysed to check relevancy of the prototypical approach and to study energy retrofitting potential from different actions.
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Submitted on : Monday, December 15, 2014 - 11:09:37 AM
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Quentin Darakdjian. Spatial approach of the energy demand modeling at urban scale. Environmental and Society. 2013. ⟨dumas-01095161⟩

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