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Accueil du site → Doctorat → Allemagne → 2014 → Learning from the Vernecular ? Urban strategies for climate sensitivity in the MENA-Region ; an analysis of traditional neighbourhoods in Fes, Aleppo and Tehran

Technische Universität Berlin (2014)

Learning from the Vernecular ? Urban strategies for climate sensitivity in the MENA-Region ; an analysis of traditional neighbourhoods in Fes, Aleppo and Tehran

Seelig, Sebastian

Titre : Learning from the Vernecular ? Urban strategies for climate sensitivity in the MENA-Region ; an analysis of traditional neighbourhoods in Fes, Aleppo and Tehran

Quartiersbezogene Strategien der Klimasensibilität in der MENA-Region ; eine Analyse traditioneller Quartiere in Fes, Aleppo und Teheran

Auteur : Seelig, Sebastian

Université de soutenance : Technische Universität Berlin

Grade : Doktor der Ingenieurwissenschaften - Dr.-Ing.- 2014

Résumé partiel
The rapid urbanization in the MENA region that comes with an increasing energy consumption in cities as well as the already apparent effects of climate change have triggered a regional debate on principles for sustainable and energy efficient urban design. This discourse partly revolves around the questions if and what we can learn from vernacular neighborhoods in the MENA Region for today’s design of energy efficient urban schemes. This debate has essentially been spurred by current large-scale urban development projects such as Masdar City, that refer to the "vernacular intelligence" of the regional, traditional city. To date, in both spheres – academia and practice – one can observe a rather positive view on the energetic qualities of the traditional city. Hence there is relatively little comparative and evidence-based research that critically examines the traditional city in terms of its energetic potentials as a basis for urban design strategies. Thus this thesis aims at a systematic analysis of the urban form of three vernacular neighborhoods in the MENA region - Fes, Aleppo, Tehran. This research shall allow for a critical appraisal of the potentials and limits of vernacular neighborhoods in terms of energy efficiency and energy sufficiency (climate sensitivity). This analysis forms the basis to derive urban design strategies aiming at climate sensitivity for one climate zone (Csa) within the MENA region. In a first step, the thesis identifies interactions between urban form and climate sensitivity and the implications for the design of neighborhoods. Literature identifies two key interrelations : the urban structure (densities, land uses and the layout of access systems) potentially can affect the mobility of users in the neighborhood. The urban geometry (determined by the buildings’ compactness, its orientation, the distances between buildings and streets geometry and their orientation) influences the solar radiation and thus the heating and cooling demand of buildings. This theoretical research is transferred into an indicator framework that forms the basis for an analysis of the selected neighborhoods in Fes , Aleppo and Tehran. The results of the analyzes shows that the three neighborhoods share common characteristics that form potentials for climate sensitivity on an urban scale. The extreme urban geometry of the three neighborhoods in summer creates shaded streets and courtyards, reducing solar radiation and ambient temperature and thus potentially reduces cooling demands of buildings. The compactness of the building leads to a lower solar radiation and the south-facing facades to the buildings courtyards allows for an easy control of solar radiation. In regard to local mobility, all neighborhoods analyzed are characterized by a strong orientation to the neighborhood, a strong diversity and short distances to everyday amenities.

Mots clés  : Aleppo Energieeffizienz Fes Teheran Vernakulär Energy efficiency Vernecular

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