A numerical comparison of protective measures against external fire spread

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title = "A numerical comparison of protective measures against external fire spread",
abstract = "The impact of different passive protective measures against external vertical fire spread was investigated using the numerical tool Fire Dynamics Simulator (FDS). The numerical study was divided into a validation study and a comparative analysis. The validation study was performed to evaluate FDS as a calculation tool for modelling external vertical fire spread and was conducted using experimental results from a large-scale fire test done on a SP FIRE 105 test rig at SP, Sweden. It was concluded that FDS 6.2.0 could reproduce the experimental results with a reasonable level of detail. In the comparative analysis, the impact on the external fire from a smaller apartment was studied in FDS with different configurations of horizontal projections and spandrels in the building exterior. Also, the effects of an upper and lower facade set-back configuration were studied. The results show that facade solutions based on a horizontal projection or an upper facade set-back configuration result in comparable or better protection compared with a defined spandrel height. The results also show that a spandrel height of at least 1.2 m can be replaced by a 60-cm-deep horizontal projection, given that the balcony is wider than the underlying opening.",
keywords = "External fire spread, Facade set-back, FDS, Fire safety engineering, Horizontal projection, Spandrel",
author = "Markus Nilsson and Bjarne Husted and Axel Mossberg and Johan Anderson and Mcnamee, {Robert Jansson}",
year = "2018",
month = aug,
doi = "10.1002/fam.2527",
language = "English",
volume = "42",
pages = "493--507",
journal = "Fire and Materials",
issn = "1099-1018",
publisher = "John Wiley and Sons",
number = "5",