Abstract
Many high-rise buildings are presently being designed and constructed in the central business district of Colombo. These buildings will change the wind patterns and directions which may create an uncomfortable environment at the pedestrian level. Urban authorities in many countries grant a building permit for a high-rise building, only if the wind comfort study proves that the wind environment for the pedestrian remains comfortable and safe. Pedestrian wind comfort and safety studies have been conducted in the past by wind tunnel tests. However, due to the high cost involved, pedestrian wind comfort studies are not generally carried out. With a significant improvement in computer resources in the recent past, Computational Fluid Dynamic (CFD) simulations can be used as an effective alternative method to simulate the pedestrian wind comfort around high rise buildings. This paper presents a validation of pedestrian wind comfort results obtained from a wind tunnel test, using CFD simulation.
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