Influence of different make-up air configurations on the fire-induced conditions in an atrium
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Mecánica de Fluidos e Ingeniería TérmicaKnowledge Area
Mecánica de FluidosPublication date
2010-11Publisher
ElsevierBibliographic Citation
GUTIÉRREZ MONTES, Cándido, SANMIGUEL ROJAS, Enrique, VIEDMA, Antonio. Influence of different make-up air configurations on the fire-induced conditions in an atrium. Building and Environment, 45 (11), Noviembre 2010: 2458-2472. ISSN 0360-1323Peer review
SIKeywords
Fire modellingFire induced flow
Atrium fire
CFD simulations
Mechanical exhaust
Full-scale fire tests
Modelado de fuego
Flujos de fuego provocado
Incendio de atrios
Simulaciones CFD
Mecánica de escape
Pruebas de fuego a gran escala
Abstract
This paper provides with a set of full-scale experimental data of atrium fires. These data
could be used as benchmarks for future numerical validation studies. In particular, the influence of the make-up air velocity as well as the position and area of the vents in an atrium is assessed both experimentally and numerically. Experimentally, the effect of different make-up air supply positions and inlet area on the fire-induced inner
conditions and smoke layer descent was studied by means of three full-scale fire tests conducted in a 20 m cubic atrium. Detailed transient measurements of gas and wall temperatures, as well as pressure drop through the exhaust fans and airflow at the inlets were recorded. Later computational fluid dynamics (CFD) simulations of these tests were performed with the code Fire Dynamics Simulator (FDS). Experimentally, the lack of symmetry in make-up air vents and the large inlet area turn the flame and plume into more sensitive to outer effects. However, no ...
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