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

  • Lucie MerlierEmail author
  • Loïc Frayssinet
  • Kévyn Johannes
  • Frédéric Kuznik
Research Article Building Thermal, Lighting, and Acoustics Modeling
  • 16 Downloads

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.

Keywords

building energy simulation urban environmental variables power needs thermal comfort heating and cooling ventilation 

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Notes

Acknowledgements

The authors sincerely thank Jean-Luc Hubert and Maya Milliez from the EDF R&D and BHEE for their support when preparing this work.

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Copyright information

© Tsinghua University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Lucie Merlier
    • 1
    • 2
    Email author
  • Loïc Frayssinet
    • 1
    • 2
  • Kévyn Johannes
    • 1
    • 2
  • Frédéric Kuznik
    • 1
    • 2
  1. 1.Univ Lyon, CNRS, INSA-LyonUniversité Claude Bernard Lyon 1, CETHIL UMR5008VilleurbanneFrance
  2. 2.BHEE: High Energy Efficiency Buildings, joint laboratory CETHIL / EDFVilleurbanne cedexFrance

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