Annual simulation of outdoor thermal comfort with TRNSYS

Marion Hiller, Ata Chokhachian, Christian Frenzel, Pablo Arango, Wolfgang Kessling, Stefan Holst, Thomas Auer

Publikation: Beitrag in Buch/Bericht/KonferenzbandKonferenzbeitragBegutachtung

Abstract

This paper presents the modelling enhancements of the multizone model of TRNSYS and its GUI TRNLizard for the dynamic evaluation of the thermal behaviour of outdoor urban spaces. The developed approaches for detailed radiation modelling based on surface discretization and raytracing in 3-dimensional space extended the capabilities of the thermal building model to consider interior and exterior vegetation volumes. For the implementation special care was taken to enable both, the application of empirical correlations/assumptions for a simplified and fast modelling as well as the integration/coupling to detailed simulation results from other domains such as vegetation models and CFD. The validation showed that the improvements were successfully integrated. A comparison with measured data is still pending. The urban space model has been applied to the Bordeauxplatz in Munich. The case study showed that dynamic annual simulation results like the frequency distribution of comfort conditions provide very useful information for urban planning.

OriginalspracheEnglisch
TitelBS 2021 - Proceedings of Building Simulation 2021
Untertitel17th Conference of IBPSA
Redakteure/-innenDirk Saelens, Jelle Laverge, Wim Boydens, Lieve Helsen
Herausgeber (Verlag)International Building Performance Simulation Association
Seiten812-819
Seitenumfang8
ISBN (elektronisch)9781775052029
DOIs
PublikationsstatusVeröffentlicht - 2022
Veranstaltung17th IBPSA Conference on Building Simulation, BS 2021 - Bruges, Belgien
Dauer: 1 Sept. 20213 Sept. 2021

Publikationsreihe

NameBuilding Simulation Conference Proceedings
ISSN (Print)2522-2708

Konferenz

Konferenz17th IBPSA Conference on Building Simulation, BS 2021
Land/GebietBelgien
OrtBruges
Zeitraum1/09/213/09/21

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