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Buildings 2013, 3(2), 399-421; doi:10.3390/buildings3020399

Coupled Outdoor and Indoor Airflow Prediction for Buildings Using Computational Fluid Dynamics (CFD)

1,* , 2
1 Department of Architecture, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia 2 Faculty of the Built Environment, The University of New South Wales, Sydney NSW 2052, Australia 3 School of Mechanical Engineering, The University of Sydney, Sydney NSW 2006, Australia
* Author to whom correspondence should be addressed.
Received: 15 March 2013 / Revised: 30 April 2013 / Accepted: 14 May 2013 / Published: 22 May 2013


The objective of this study is to investigate the accuracy of Computational Fluid Dynamics (CFD) for simultaneously predicting the outdoor and indoor airflows of single-cell and multi-storey buildings. Empirical models and two existing wind tunnel experimental data are used for validation. This study found that coupled CFD simulations provide sufficiently accurate airflow predictions and, in cases of buildings with complex façade treatments, accurately accounts for changes in ventilation performance, which may be impossible using empirical models. This study concludes that coupled CFD simulations can generally be used to predict ventilation performance in small and large buildings.
Keywords: CFD simulation; empirical models; ventilation; building CFD simulation; empirical models; ventilation; building
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Mohamed, M.F.; King, S.; Behnia, M.; Prasad, D. Coupled Outdoor and Indoor Airflow Prediction for Buildings Using Computational Fluid Dynamics (CFD). Buildings 2013, 3, 399-421.

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