Effects of window position in vertical direction on wind driven natural cross ventilation Online publication date: Wed, 27-May-2015
by Md. Zavid Iqbal Bangalee
Progress in Computational Fluid Dynamics, An International Journal (PCFD), Vol. 15, No. 3, 2015
Abstract: Natural ventilation system can be considered as one of the zero energy building systems. The comfort of occupants can be achieved if the buildings are designed in favourable and satisfactory ambient conditions. The replacement of any mechanical ventilation system may not only save the electric cost but also contribute to the reduction of the pollutants that are generated during the electricity production stages. The effects of window position in vertical direction on the wind driven natural (WDN) cross ventilation of a full scale building has been investigated using the computational fluid dynamics (CFD) technique after validating the numerical methodology through a satisfactory comparison with an experimental work when RNG κ-ε has been chosen to resolve the turbulence phenomenon. The numerical results have been completely analysed and it is found that ventilation performance is significantly influenced by the vertical window position.
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