Outdoor micro-climate: Air temperature measurements around an office building in Denmark during summer

Hicham Johra*, Mathilde Lenoël, Olena Kalyanova Larsen, Rasmus Lund Jensen

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Abstract

The outdoor micro-climate caused by the presence of buildings can significantly differ from that around weather stations located outside of urban areas. However, the latter is often used to design buildings and size building systems. This could lead to significant mistakes and performance gaps. To date, there is a certain lack of experimental studies assessing the microclimate around buildings, especially in Scandinavian countries. The current paper presents the preliminary results and analysis of a measurement campaign of the temperature gradient in the two-meter air layer around the envelope of a multi-storey office building in Denmark in the summertime. Depending on the orientation of the external building surface (South/North façade or rooftop), the distance from the latter and the weather conditions, the temperature in this two-meter air layer can vary significantly and differ from the air temperature measured at nearby open fields or recorded by the reference weather station. During sunny days, a temperature gradient of up to 3.4 °C and 13.6 °C was measured in the air layer around the South façade and the rooftop, respectively. These results could help to validate urban climate models and bridge the gap between building design and real-condition performance. The curated dataset of this measurement campaign is available in open access.
OriginalsprogEngelsk
Artikelnummer102011
BogserieJournal of Physics: Conference Series
Vol/bind2600
Udgave nummer10
Antal sider7
ISSN1742-6596
DOI
StatusUdgivet - 2023
Begivenhed2023 International Conference on the Built Environment in Transition, CISBAT 2023 - EPFL, Hybrid, Lausanne, Schweiz
Varighed: 13 sep. 202315 sep. 2023
https://cisbat.epfl.ch/index.html

Konference

Konference2023 International Conference on the Built Environment in Transition, CISBAT 2023
LokationEPFL
Land/OmrådeSchweiz
ByHybrid, Lausanne
Periode13/09/202315/09/2023
SponsorSwiss Federal Institute of Technology Lausanne, Smart Living Lab, Swiss Federal Office of Energy (SFOE)
Internetadresse

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