Scale models and CFD for the analysis of air flow in passively ventilated buildings

G.S. Barozzi, M.S. Imbabi, E. Nobile, A.C.M Sousa

Research output: Chapter in Book/Report/Conference proceedingPublished conference contribution


A new bioclimatic building concept based on solar driven ventilation is analysed through the use of physical and numerical modelling. Measurements are conducted for a 1/12th laboratory scale model designed to replicate the full-scale prototype and its microclimate. Predictions are obtained by employing advanced Computational Fluid Dynamics (CFD) techniques, and the experimental results provide the benchmarking required in the development of the numerical model, which may offer a viable alternative to expensive and hard to set full-scale tests. The combination of laboratory and computational results gives additional physical insight into the prevailing phenomena determining the ventilation levels, and a first assessment on the feasibility of the concept. Comparison between predictions and experiments indicates a very favourable agreement.
Original languageEnglish
Title of host publicationBuilding Simulation'91
Subtitle of host publication Conference Proceedings
EditorsJ. A. Clarke, J. W. Mitchell, R. C. Van De Perre
Number of pages7
ISBN (Print)0-911801-99-5
Publication statusPublished - 1991
EventBuilding Simulation '91 - Sophia-Antipolis, Nice, France
Duration: 20 Aug 199122 Dec 1991


ConferenceBuilding Simulation '91


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