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Research Article

On the impact of local microclimate on building performance simulation. Part II: Effect of external conditions on the dynamic thermal behavior of buildings

Lucie Merlier1,2( )Loïc Frayssinet1,2Kévyn Johannes1,2Frédéric Kuznik1,2
Univ Lyon, CNRS, INSA-Lyon, Université Claude Bernard Lyon 1, CETHIL UMR5008, F-69621, Villeurbanne, France
BHEE: High Energy Efficiency Buildings, joint laboratory CETHIL / EDF, France
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Abstract

Most of the building energy models are not suited to properly integrate local urban ambient conditions; thus, this study initiates a sensitivity analysis of the heating and cooling needs and operative temperature of buildings to local radiative, thermal and aeraulic external conditions. These conditions were estimated using the possibilities of a building energy model (based on the BuildSysPro Modelica library) or derived from microclimatic simulations (SOLENE microclimat) for generic isolated or urban buildings. The thermal behaviors of both energy-inefficient and energy-efficient buildings in summer and winter are examined. The results show major effects of short- and long-wave radiative heat transfers as well as aeraulics. According to present results, and given current urban growth and climate change challenges as well as the development of energy conservative buildings, this last point may become particularly critical in the future.

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Building Simulation
Pages 747-757
Cite this article:
Merlier L, Frayssinet L, Johannes K, et al. On the impact of local microclimate on building performance simulation. Part II: Effect of external conditions on the dynamic thermal behavior of buildings. Building Simulation, 2019, 12(5): 747-757. https://doi.org/10.1007/s12273-019-0508-6

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Received: 26 July 2018
Revised: 19 November 2018
Accepted: 19 December 2018
Published: 13 April 2019
© Tsinghua University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2019
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