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Home / Façade Engineering / CFD Modelling

CFD Modelling


SE Controls retains a high degree of experience and expertise to carry out both prescriptive and performance-based designs for smoke control systems. We regularly use Computational Fluid Dynamics (CFD), amongst other computer modelling software, to provide effective ventilation concepts and solutions that are tailor made for each building. CFD modelling enables us to accurately predict smoke behaviour and conditions created in various fire situations. Advanced computing modelling has become an integral part of the design process at SE Controls to validate the performance of smoke control systems in fire engineered building design.

All SE Controls CFD reports collate all the relevant information, scientific data and findings from the analysis, into a concise and easily digestible format so that the client and approving bodies have all the information available to facilitate regulatory approval.


Apartment Corridors

The figure below shows CFD modelling of an apartment corridor. The escape travel distance from the furthest apartment entrance to the escape stair door exceeded code requirements. By analysing the temperature, visibility and smoke movement from the CFD model, SE Controls were able to propose a mechanical powered extract system which achieved an acceptable level of safety in the common corridors and protecting the stairs from smoke egress.



 

Atrium Fire

Modelling shown in the figures are for a fire at the base of an atrium. Occupants on the top level were not afforded escape in more than one direction along the atrium balcony. A CFD analysis carried out concluded that the combination of mechanical extract at the head of the atrium and natural inlet Automatic Opening Vents (AOV) along each corridor, achieved a safe level of safety along the balcony corridors regardless of whether the fire was in an apartment or at the base of the atrium.  



 

Commercial Office (Fire Fighting Shaft)

The CFD image shows a mechanical extract shaft system along a fire fighting shaft core in a commercial office. The modelling validated the smoke extract system performance by demonstrating that it achieved its primary objective of protecting the stair core from high temperature and smoke egress.







 

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