Une revue des codes numeriques permettant de predire le comportement des batiments multizones montre nettement la difficulte qu'il y a a Jes evaluer par manque de donnees experimentales fiab/es. Apres une breve description des methodes de caracterisation de la permeabilite Jes plus repandues, la presente publication decrit une methode dite passive, basee sur la definition de scenarii lies a la morphologie du batiment. Cette methode est testee et evaluee sur deux batiments reels.
Building airtightness data are essential for design and model evaluation. An attempt has been made with the Numerical Database to compile data appropriate toinfiltration and ventilation studies. These cover the air leakage characteristics of building components, the characteristics of buildings themselves and data on wind pressure distributions. AIVC Technical Note 44 (Orme, Liddament, and Wilson 1994), contains detailed summary tables and graphs of the information stored in the computer Database, together with a complete list of references.
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