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A framework to investigateUrban area theAir quality pollutant dispersionPollutant dispersion in a neighbourhood around the ULB Solbosch University campus, Brussels, was developed using Computational Fluid DynamicsComputational Fluid Dynamics (CFD) (CFDsComputational Fluid Dynamics (CFD)) simulations. All the buildings and terrain shapes within a circular region of a radius of 1.3 km were explicitly modelled in the computational mesh. Steady, incompressible RANS-based CFDComputational Fluid Dynamics (CFD) simulations were performed for the wind using a modified k- SST turbulenceTurbulence model, implemented with an improved Atmospheric Boundary Layer (ABL) approach. Passive scalar simulations were performed on top of the wind simulationsWind simulation using a variable Schmidt number-based framework for pollutant dispersionPollutant dispersion. The obtained CFDComputational Fluid Dynamics (CFD) results were compared with wind measurements obtained from sensors placed around the campus to validate the CFDComputational Fluid Dynamics (CFD) model.

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CFD-Based Investigation of Air Quality in Urban Areas: A Case Study in Brussels, Belgium

  • 会议论文

  • 发表日期：

    2026年

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  • Sampath Kumar Raghunathan Srikumar,
  • Gabriele Mosca,
  • Leo Cotteleer,
  • Alessandro Parente,
  • Alessandro Gambale

摘要

A framework to investigateUrban area theAir quality pollutant dispersionPollutant dispersion in a neighbourhood around the ULB Solbosch University campus, Brussels, was developed using Computational Fluid DynamicsComputational Fluid Dynamics (CFD) (CFDsComputational Fluid Dynamics (CFD)) simulations. All the buildings and terrain shapes within a circular region of a radius of 1.3 km were explicitly modelled in the computational mesh. Steady, incompressible RANS-based CFDComputational Fluid Dynamics (CFD) simulations were performed for the wind using a modified k- SST turbulenceTurbulence model, implemented with an improved Atmospheric Boundary Layer (ABL) approach. Passive scalar simulations were performed on top of the wind simulationsWind simulation using a variable Schmidt number-based framework for pollutant dispersionPollutant dispersion. The obtained CFDComputational Fluid Dynamics (CFD) results were compared with wind measurements obtained from sensors placed around the campus to validate the CFDComputational Fluid Dynamics (CFD) model.