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Recent Advances in Urban Ventilation Assessment and Flow Modelling
Riccardo Buccolieri and Jian Hang
2019
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This book contains twenty-one original papers and one review paper published by internationally recognized experts in the Atmosphere Special Issue ""Recent Advances in Urban Ventilation Assessment and Flow Modelling"", years 2017–2019. The Special Issue includes contributions on recent experimental and modelling works, techniques, and developments mainly tailored to the assessment of urban ventilation on flow and pollutant dispersion in cities. The study of ventilation is of critical importance, as it addresses the capacity with which a built urban structure is capable of replacing the polluted air with ambient fresh air. Here, ventilation is recognized as a transport process that improves local microclimate and air quality and closely relates to the term “breathability”. The efficiency with which street canyon ventilation occurs depends on the complex interaction between the atmospheric boundary layer flow and the local urban morphology.The individual contributions to this Issue are summarized and categorized into four broad topics: (1) outdoor ventilation efficiency and application/development of ventilation indices, (2) relationship between indoor and outdoor ventilation, (3) effects of urban morphology and obstacles to ventilation, and (4) ventilation modelling in realistic urban districts. The results and approaches presented and proposed will be of great interest to experimentalists and modelers, and may constitute a starting point for the improvement of numerical simulations of flow and pollutant dispersion in the urban environment, for the development of simulation tools, and for the implementation of mitigation strategies.
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Keywords
- aerodynamic and deposition
- air change rate (ACH)
- air change rate per hour (ACH)
- air flow
- Air quality
- airflow network
- architectural intervention
- BEopt analysis
- building arrangements
- building energy use
- building site coverage
- building–tree grouping patterns
- carbon dioxide concentration
- CFD
- CFD model
- CFD simulation
- climate zone
- coherent structures
- computational fluid dynamic (CFD) simulation
- computational fluid dynamics (CFD)
- concentration decay method
- concentration fluctuation
- convective boundary layer
- Data assimilation
- dispersion
- flow and turbulence profiles
- heat loss
- high emitting vehicles
- highly-reflective building envelope
- hypothetical urban areas
- indoor-outdoor
- intake fraction
- inter-building effect
- Japan cities
- Large Eddy Simulation (LES)
- LES
- mass concentration
- mobile laboratory
- multiple linear regression
- n/a
- Nanoparticles
- natural ventilation
- natural ventilation hour
- Natural Ventilation Potential (NVP)
- non-uniform distribution of the pollution source
- Numerical Simulation
- on-road air quality
- optimisation
- outdoor ventilation
- particle number concentration (PNC)
- passive ventilation
- pedestrian exposure
- PM10
- PM2.5
- pollutant dispersion
- Pollutant Removal
- residential building
- residential wind environments
- road tunnel
- Sampling
- schematic urban environment
- seasonal variation
- small open space
- Source apportionment
- space pattern
- street canyon
- street vegetation
- street-level ventilation
- surrogate model
- the age of air
- thermal comfort
- Total Suspended Particles (TSP)
- traffic composition
- traffic tidal flow
- tree scenarios
- ultrafine particles (UFP)
- urban age of air
- Urban Air Quality
- urban air quality modelling
- urban layout
- urban morphology
- urban planning
- urban street canyon
- Validation
- vehicular pollution
- Ventilation
- ventilation assessment
- ventilation effectiveness
- ventilation efficiency
- ventilation system
- water channel experiment
- wind catcher
- wind enhancement
- wind environment
- wind pressure coefficient
- wind tunnel
- wind-tunnel dataset
Links
DOI: 10.3390/books978-3-03897-807-7Editions
