CFD Analysis for a Wind Tunnel Experiment for Investigating the Performance of Turbulence Models
Publication: ASCE Inspire 2023
ABSTRACT
The analysis of wind flow around buildings plays a significant role in terms of evaluating wind energy, pollutant dispersion, energy efficiency, and energy management. Careful consideration of the turbulence model is critical in the simulation since diverse Reynolds-averaged Navier-Stokes (RANS) models have varying potential and accuracy in every part of the computational domain. In the present study, a computational fluid dynamics (CFD) simulation of an isolated building in a wind tunnel is conducted using three different turbulence models, namely standard k–ε, SST k-ω, and k–ε realizable. The simulation results are validated by comparing them with experimental data obtained in multiple positions on the rooftop. Additionally, the characteristics of turbulence models in the backward region are investigated. The results revealed that the SST k-ω turbulence model has better performance on the top of the buildings.
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Information & Authors
Information
Published In
ASCE Inspire 2023
Pages: 895 - 904
History
Published online: Nov 14, 2023
ASCE Technical Topics:
- Buildings
- Computational fluid dynamics technique
- Computer models
- Energy engineering
- Energy sources (by type)
- Engineering fundamentals
- Fluid dynamics
- Fluid mechanics
- Hydrologic engineering
- Model accuracy
- Models (by type)
- Renewable energy
- Simulation models
- Structural engineering
- Structures (by type)
- Turbulence
- Water and water resources
- Wind engineering
- Wind power
- Wind tunnel
Authors
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