An extended SST k-? framework for the RANS simulation of the neutral Atmospheric Boundary Layer

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Efficient and high-resolution simulation of pollutant dispersion in complex urban environments by island-based recurrence CFD

Yaxing Du et al.

Summary: The study utilized an island-based version of rCFD to model pollutant dispersion in near-field flow configurations, demonstrating superior accuracy and speed compared to the global-domain version.

ENVIRONMENTAL MODELLING & SOFTWARE (2021)

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Article Environmental Sciences

Evaluation of the CALPUFF model performance for the estimation of the urban ecosystem CO2 flux

Yaroslav Bezyk et al.

Summary: This study investigated the effects of land conversion on soil CO2 fluxes in temperate re-established grasslands within an anthropogenic landform in a Forest Botanical Garden. The results of the CALPUFF model simulations showed promising agreement with tracer measurements of biogenic CO2, but tended to underestimate real concentration levels. The study also emphasized the sensitivity of the CALPUFF model's performance in simulating CO2 concentrations within urban ecosystems to various meteorological and environmental factors.

ATMOSPHERIC POLLUTION RESEARCH (2021)

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Article Environmental Sciences

Application of Improved CFD Modeling for Prediction and Mitigation of Traffic-Related Air Pollution Hotspots in a Realistic Urban Street

Tom Lauriks et al.

Summary: Accurate prediction of urban air pollutant dispersion is crucial for safety, public health, and environment. This study in Antwerp, Belgium analyzes pollutants using computational fluid dynamics, models traffic emissions, and suggests local mitigation measures. Results show effective pollutant removal methods and improvements in atmospheric boundary layer dispersion modeling.

ATMOSPHERIC ENVIRONMENT (2021)

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Article Engineering, Environmental

CFD analysis of the influence of a perimeter wall on the natural gas dispersion from an LNG pool

Marco Bellegoni et al.

Summary: An innovative tool was developed to simulate gas dispersion from liquefied natural gas pools in the presence of obstacles, systematically evaluating the influence of atmospheric stability conditions and source term variation on congested dispersion scenarios through a combination of integral models and computational fluid dynamics (CFD). Results showed good agreement between CFD and integral models in an open field configuration, but with an overprediction of methane concentration by the integral model. Additionally, CFD enabled a precise analysis of flow-field and investigation of wall effects on methane concentration in the presence of obstacles.

PROCESS SAFETY AND ENVIRONMENTAL PROTECTION (2021)

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Article Construction & Building Technology

Integrated impacts of building height and upstream building on pedestrian comfort around ideal lift-up buildings in a weak wind environment

Lan Chen et al.

Summary: This study evaluates the integrated effects of building height and upstream building on pedestrian comfort around lift-up buildings, showing that increasing building height, removing upstream buildings, and adjusting relative positions can improve wind comfort but the effects on thermal comfort vary seasonally. The findings provide inspiration for city planners to improve pedestrian comfort in high-density cities.

BUILDING AND ENVIRONMENT (2021)

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Article Green & Sustainable Science & Technology

Impact of urban environment on Savonius wind turbine performance: A numerical perspective

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RENEWABLE ENERGY (2020)

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Article Computer Science, Interdisciplinary Applications

Modelling of pedestrian level wind environment on a high-quality mesh: A case study for the HKPolyU campus

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ENVIRONMENTAL MODELLING & SOFTWARE (2018)

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Article Engineering, Civil

An improved SST k - ω model for pollutant dispersion simulations within an isothermal boundary layer

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JOURNAL OF WIND ENGINEERING AND INDUSTRIAL AERODYNAMICS (2018)

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Article Computer Science, Interdisciplinary Applications

A web-based screening tool for near-port air quality assessments

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ENVIRONMENTAL MODELLING & SOFTWARE (2017)

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Article Computer Science, Interdisciplinary Applications

Modelling the Spatio-Temporal Distribution of Ambient Nitrogen Dioxide and Investigating the Effects of Public Transit Policies on Population Exposure

Maryam Shekarrizfard et al.

ENVIRONMENTAL MODELLING & SOFTWARE (2017)

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Article Engineering, Civil

Advanced turbulence models and boundary conditions for flows around different configurations of ground-mounted buildings

Riccardo Longo et al.

JOURNAL OF WIND ENGINEERING AND INDUSTRIAL AERODYNAMICS (2017)

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Article Environmental Sciences

Validation and optimization of SST k-ω turbulence model for pollutant dispersion within a building array

Hesheng Yu et al.

ATMOSPHERIC ENVIRONMENT (2016)

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Review Construction & Building Technology

Pedestrian-level wind conditions around buildings: Review of wind-tunnel and CFD techniques and their accuracy for wind comfort assessment

B. Blocken et al.

BUILDING AND ENVIRONMENT (2016)

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Review Environmental Sciences

On the use of numerical modelling for near-field pollutant dispersion in urban environments - A review

M. Lateb et al.

ENVIRONMENTAL POLLUTION (2016)

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Article Computer Science, Interdisciplinary Applications

CFD simulation for pedestrian wind comfort and wind safety in urban areas: General decision framework and case study for the Eindhoven University campus

B. Blocken et al.

ENVIRONMENTAL MODELLING & SOFTWARE (2012)

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Article Meteorology & Atmospheric Sciences

A Comprehensive Modelling Approach for the Neutral Atmospheric Boundary Layer: Consistent Inflow Conditions, Wall Function and Turbulence Model

Alessandro Parente et al.

BOUNDARY-LAYER METEOROLOGY (2011)

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Article Engineering, Civil

Improved κ-ε model and wall function formulation for the RANS simulation of ABL flows

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JOURNAL OF WIND ENGINEERING AND INDUSTRIAL AERODYNAMICS (2011)

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Article Computer Science, Interdisciplinary Applications

A methodology to assess the influence of local wind conditions and building orientation on the convective heat transfer at building surfaces

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ENVIRONMENTAL MODELLING & SOFTWARE (2010)

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CFD modelling of small particle dispersion: The influence of the turbulence kinetic energy in the atmospheric boundary layer

C. Gorle et al.

ATMOSPHERIC ENVIRONMENT (2009)

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Article Engineering, Environmental

Hazardous gas dispersion: A CFD model accounting for atmospheric stability classes

M. Pontiggia et al.

JOURNAL OF HAZARDOUS MATERIALS (2009)

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Article Engineering, Civil

New inflow boundary conditions for modelling the neutral equilibrium atmospheric boundary layer in computational wind engineering

Yi Yang et al.

JOURNAL OF WIND ENGINEERING AND INDUSTRIAL AERODYNAMICS (2009)

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Article Engineering, Civil

AIJ guidelines for practical applications of CFD to pedestrian wind environment around buildings

Yoshihide Tominaga et al.

JOURNAL OF WIND ENGINEERING AND INDUSTRIAL AERODYNAMICS (2008)

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Article Environmental Sciences

CFD simulation of the atmospheric boundary layer: wall function problems

Bert Blocken et al.

ATMOSPHERIC ENVIRONMENT (2007)

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Non-linear k-epsilon turbulence model results for flow over a building at full-scale

NG Wright et al.

APPLIED MATHEMATICAL MODELLING (2003)

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Article Engineering, Civil

On a new nonlinear turbulence model for simulating flows around building-shaped structures

J Ehrhard et al.

JOURNAL OF WIND ENGINEERING AND INDUSTRIAL AERODYNAMICS (2000)

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An extended SST k-? framework for the RANS simulation of the neutral Atmospheric Boundary Layer

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