Numerical investigation on window ejected facade flames

- To assess the influence of the openings on external flames.
- To assess the influence of a “U” channel configuration on flame height.
- To verify if the correlations are available for large scale compartment fires.
- To quantify the influence of geometrical parameters on external flames.

A numerical simulation was performed to assess the ability of the used code to model a compartment fire with external flames. Thereafter, numerical investigations were performed in order to study the influence of geometrical parameters such as opening dimensions, opening position and presence of sidewalls at the opening on window ejected flames. The influence of the heat release rate was also discussed. These studies highlight the different phenomena in each configuration and their influence on the risk of vertical fire spread. Moreover, to study the influence of sidewalls at the opening, numerical results were compared to Lu's correlation (Lu et al., 2013, 2014) [1,2]).