Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.buildenv.2003.09.003
Title: Impact of airflow profile on indoor air quality - a tropical study
Authors: Sekhar, S.C. 
Willem, H.C. 
Keywords: CFD simulations
Indoor air quality measurements
Office building
Tropical climate
Ventilation parameters
Issue Date: 2004
Source: Sekhar, S.C., Willem, H.C. (2004). Impact of airflow profile on indoor air quality - a tropical study. Building and Environment 39 (3) : 255-266. ScholarBank@NUS Repository. https://doi.org/10.1016/j.buildenv.2003.09.003
Abstract: The validation of the concentration levels of indoor contaminants and the measurement of ventilation parameters with CFD simulation results often poses considerable difficulty due to the effect of several confounding factors. Whilst a building in dynamic operation with varying operating characteristics in terms of the air-conditioning system and the activities of the occupants renders the possibility of a continuous measurement of IAQ and ventilation data, it is almost impossible to simulate such dynamic changes in the CFD environment. It then becomes imperative that steady-state measurements in buildings be used as representative data for the purposes of CFD simulation. This paper reports the findings of a study, in which the simulation of airflow pattern in an office building in Singapore is based on the indoor environmental conditions and the corresponding ventilation parameters measured on a typical day. Boundary conditions are obtained through hood measurements to determine the airflow rate from each diffuser. The findings of this study clearly support the critical impact of airflow on pollutant pathways in the building as a result of air supply volume, arrangement of air inlet and outlet devices, space design and the presence of heat sources. © 2003 Elsevier Ltd. All rights reserved.
Source Title: Building and Environment
URI: http://scholarbank.nus.edu.sg/handle/10635/45707
ISSN: 03601323
DOI: 10.1016/j.buildenv.2003.09.003
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