Gandemer J
Bibliographic info:
Colloque "Etancheite a l'eau des couvertures en petits elements sous l'effet de la concomitance vent-pluie", 3 May 1984. Cahiers du Centre Scientifique et Technique du Batiment, June 1985, liv. 260, cah. 2003. 11p. 10 figs, 2 refs.

The aerodynamic forces affecting wind and rain penetration of roofs are described. They are: 1 the wind and its turbulent nature, 2 the induced pressure field, 3 the air flows in contact with the roof and 4 the characteristics of the roof (internal pressure, permeability, structure, etc).