Indoor Environmental Conditions Of
Athletic Halls:
Experimental And Numerical Investigation
Author(s)
O. I. Stathopoulou1 & V. D. Assimakopoulos2
Abstract
Computational Fluid Dynamics (CFD) codes are widely used in environmental
studies of wind flow and pollutant dispersion around buildings. In recent years
they have also been applied to simulations of indoor airflows for optimal
building design and ventilation. However, these applications mainly concern
indoor environments such as industry working areas and offices for occupational
health and safety reasons. This study investigates experimentally and
numerically the environmental conditions prevailing in a large mechanically
ventilated athletic hall using the commercial CFD code PHOENICS. After the
model was built it was compared with experimental measurements obtained
during a ten-day campaign in the hall. The collected data included airflow
characteristics and pollutants concentrations at different locations of the indoor
space as well as the surface temperatures of indoor materials under different
ventilation conditions and occupancy of the hall. Having obtained good
agreement between simulated and experimental results, the environmental
conditions in the hall were investigated when half-full on an \“athletic event” day
and in the presence of indoor pollutants sources. Results revealed dynamic
airflow, temperature and pollutant concentration patterns prevailing in the hall,
significantly altering with the different scenarios applied. Airflow fields were
characterized by distinct vortices originating from the ceiling air inlets of the
ventilation system, while temperature and pollution stratification were observed
relating to ineffective performance of the mechanical ventilation.
Keywords: athletic hall, CFD model, indoor conditions, indoor air quality,
athletic event.
Keywords
athletic hall, CFD model, indoor conditions, indoor air quality,
athletic event.
Related Book
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