Abstract
The design of the windward and leeward opening positions and sizes can both directly influence the cross-ventilation airflow rate and also the indoor airflow organizations. Therefore, a validation investigation of the impact of mesh resolution, the inlet turbulent kinetic and the turbulence intensity on the simulation results is conducted, aiming to provide an efficient method to support cross-ventilation design using Computational Fluid Dynamics (CFD). The results shows that special attention should be paid to the mesh generation which directly affect the predicted velocity distributions. And the turbulent kinetic energy and the turbulence intensity can also influence the calculated velocity profiles. While, the cross-ventilation airflow rate is insensitive to the two parameters. The obtained results in the paper may give some guidance for cross-ventilation design.
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Wang, Y., Zhang, H. (2021). Numerical Simulations of Natural Cross-Ventilation in a Typical Building with Emphasis on the Inlet Turbulence Parameters. In: Abawajy, J., Choo, KK., Xu, Z., Atiquzzaman, M. (eds) 2020 International Conference on Applications and Techniques in Cyber Intelligence. ATCI 2020. Advances in Intelligent Systems and Computing, vol 1244. Springer, Cham. https://doi.org/10.1007/978-3-030-53980-1_87
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DOI: https://doi.org/10.1007/978-3-030-53980-1_87
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