Describes the Orkney Housing Association (OHA) Low Energy Housing Pilot Project, which demonstrates that it is possible to construct airtight buildings in the UK with minimal additional expenditure. This involved careful planning, the incorpora
Tall buildings can deflect high-level wind down towards the ground, producing unpleasant and sometimes dangerous winds in adjoining pedestrian areas. Architects, planners and developers must aim to provide safe and comfortable conditions in open-air pedestrian areas; they should, therefore, understand how the wind flows around buildings and how to control it by good design.
Wind loading Codes of Practice are usually presented in the form of tables of pressure and force coefficients corresponding to buildings of typical dimensions and shapes. Pressure and force coefficients are obtained from wind tunnel tests on small scale models placed in a turbulent boundary layer of thickness greater than the building height. Most of the wind tunnel studies of low or medium rise buildings which have been undertaken to date consider only the case of an isolated building.
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