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Integration of a practical model to assess the local urban interactions in building energy simulation with a street canyon

Journal of Building Performance Simulation, ISSN: 1940-1507, Vol: 13, Issue: 6, Page: 720-739
2020
  • 14
    Citations
  • 0
    Usage
  • 49
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    14
    • Citation Indexes
      14
  • Captures
    49

Article Description

To improve the prediction of the building’s energy performance, it has become necessary to evaluate their interactions with the urban microclimate. This study aims to propose an integrated model in the TRNSYS software with a simplified approach to assess building energy demand, including microclimate interactions on buildings. This model is based on thermoradiative and aeraulic modelling by considering the moisture transfer through the envelope. To evaluate the validity of this method, an urban canyon was modelled and compared with existing experimental results. The numerical results are close to the experimental observations with a mean absolute error of about 1°C for the outside surface temperature and a mean relative error of approximately 5%. The developed model has shown its potential in reducing an unexpected impact of interoperability when using several tools and to ensure shorter computation time compared to CFD calculations, with an accuracy satisfying the thermal and energy evaluation objectives.

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