Investigating the Energy Performance of Buildings with a 3D City Model and Thermal Simulation: Results from the Urban Transition Lab

Abstract

Reduction in consumption of non-renewable energy resources at the local level (e.g. district or neighborhood) is one of the effective manners to support sustainable development. To achieve this goal, engagement of citizens and other actors in the early stage of research is important. In this regard, the “Urban Transition Lab 131” (R131), which acts as a platform to identify problems and to set goals for sustainable development, was established to engage both the citizens of Karlsruhe through participatory processes and the expertise of researchers from the Karlsruhe Institute of Technology (KIT). Within the framework of R131 and its energy concept topic, at first, energy performance of the buildings in the Oststadt, a district of the city of Karlsruhe was investigated by using a 3D city model and exploratory cluster analyses. Second, the heating energy needs of the residential buildings were simulated at different spatial and temporal resolutions. Finally, as a proof of concept, three scenarios for the reduction of non-renewable energy consumption in a multi-family building and a comparative assessment were performed. The data was collected from multiple sources, e.g. field surveys, interviews with landlords and local utility companies as well as expert and literature reviews. This integrated research approach and the results from this project will help the citizens and local policy makers to identify different options for sustainable energy concepts. Furthermore, this knowledge will also contribute to the sustainable energy policy agenda in the short and long term, across different districts, cities and regions.

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Author Information
Syed Monjur Murshed, European Institute for Energy Research, Germany
Amar Abdul-Zahra, Karlsruhe Institute of Technology, Germany
Andreas Koch, European Institute for Energy Research, Germany
Jochen Wendel, European Institute for Energy Research, Germany
Kai Mainzer, Karlsruhe Institute of Technology, Germany
Beata Sliz-Szkliniarz, European Institute for Energy Research, Germany

• Category: ECSEE2017, Oral Presentation
• Tag: Energy: Renewable Energy and Environmental Solutions,

Posted by James Alexander Gordon

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