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TEC 2
Natural Ventilation in Passive Design
Prof. Richard Aynsley
This note, Tec 2, originally published in May 1996, was reviewed by Richard Aynsley in May 2001, and again in May 2007. This summary page includes recent updates to the topic since publication. This Note is intended to give a basic introduction to the lost art of natural ventilation and to provide some of the more useful rules of thumb. It considers the principal factors affecting air movement, wind pressure and thermal comfort.