This paper presents the estimation of air infiltration in a building using the COMIS multi-zone model. The applicability of this information in the design of buildings is demonstrated and the effect of air infiltration in the thermal performance of buildings is investigated. An integrated method incorporating both air infiltration estimation and building thermal simulation is proposed.
This paper describes the modelling and the experimental validation under ALLAN™ Simulation software 3 of a dwelling subjected to actual indoor and outdoor conditions. The construction of the global model is made in two steps:
Starting from the basic governing equations for fluid flows, a three-dimensional computational fluid dynamics (CFD) code is described. The pre-processing and post-processing software was integrated with the CFD code to form a more user-friendly computer package. This new computer package has been used to carry out several simulations on air and smoke movement in atrium with balconies. It has been found that the pre?processing and post-processing software can greatly reduce the data preparation and analysis time. It can also reduce the likelihood of making errors in data entry.
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