On the Influence of Party Walls for Urban Energy Modelling
G. Agugiaro (TU Delft - Urban Data Science)
APM Zwamborn (DIANA FEA )
C. Tigchelaar (DIANA FEA )
E. Matthijssen (DIANA FEA )
C.A. León Sánchez (TU Delft - Urban Data Science)
Folckert van der Molen (Planbureau voor de Leefomgeving)
J.E. Stoter (TU Delft - Urban Data Science)
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Abstract
In the last 15 years semantic 3D city models have seen a steady growth in terms of creation and adoption. Many cities world-wide have now at least one city model which can be used for several applications. Energy- and sustainability-related topics are among those that have experienced a noteworthy increase of interest from the Geomatics community. 3D city models have become a steady component of Urban Energy Modelling, in which bottom-up approaches are developed to assess, for example, the energy efficiency of the building stock and to explore different scenarios of building refurbishment. Within this context, this paper focuses on investigating how much party walls can contribute to the energy demand estimation of a building. For this reason, two approaches to compute party walls are described and compared. The nature and the magnitude of their differences, as well as their possible impact on downstream applications, are considered in order to shed light on whether discrepancies in the amount of computed party wall area might lead to significant differences in terms energy demand of the residential building stock. The case study area is located in the Netherlands and encompasses the municipality of Rijssen-Holten.
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