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Natural Ventilation

Natural ventilation refers to the flow of air through a structure, driven by forces such as wind and buoyancy.

CFD result of a natural ventialtion simulation

Figure 1: Air flow through a classroom using wind and buoyancy forces

This course topic presents an overview of natural ventilation both through structures and natural occurring phenomena between and around building structures. Setting up natural simulations are demonstrated using both the scheduled and calculated methodologies provided in DesignBuilder.

Visualisation of the natural ventilation flow process is achieved through the use of computational fluid dynamics (CFD). This topic demonstrates how the required boundary conditions are obtained through natural ventilation calculations and implemented into the CFD environment of DesignBuilder to allow the dominant flow patterns to be analysed and displayed visually.

For more information see our YouTube Channel, or read about the software's modules in detail on the DesignBuilder website.

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