Why do we need to assess the pressure coefficient field on the building envelope?
It is well known that the natural ventilation of a building is driven by the combined forces of wind and thermal buoyancy. However, when the opening areas are large enough, and except for large volumes, natural ventilation is mainly driven by wind forces. Therefore, for the evaluation of natural ventilation in warm climates, the coupling between thermal forces and wind driven forces is generally assumed to be negligible. The pressure field on the building envelope generates flows through...
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