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Computer-simulation study on fire behaviour in the ventilated cavity of ventilated façade systems

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Τίτλος: Computer-simulation study on fire behaviour in the ventilated cavity of ventilated façade systems
Συγγραφείς: Lacasta Palacio, Ana María, Avellaneda Diaz-Grande, Jaime, Giraldo Forero, María del Pilar, Burgos Leiva, Camila
Συνεισφορές: Universitat Politècnica de Catalunya. Departament de Física Aplicada, Universitat Politècnica de Catalunya. Departament de Construccions Arquitectòniques I, Universitat Politècnica de Catalunya. GICITED - Grup Interdiciplinari de Ciència i Tecnologia en l'Edificació, Universitat Politècnica de Catalunya. LiTA - Laboratori d'Innovació i Tecnologia en l'Arquitectura
Στοιχεία εκδότη: EDP Sciences
Έτος έκδοσης: 2013
Συλλογή: Universitat Politècnica de Catalunya, BarcelonaTech: UPCommons - Global access to UPC knowledge
Θεματικοί όροι: Àrees temàtiques de la UPC::Edificació::Elements constructius d'edificis::Elements de tancament, Àrees temàtiques de la UPC::Física::Física de fluids, Fire testing, Fluid dynamics--Data processing, Ventilated cavity, air chamber, ventilated façade systems, Fire behaviour, chimney effect, external fire spread, fire dynamics simulation, fire barriers, Assaigs de comportament davant el foc, Dinàmica de fluids--Informàtica
Περιγραφή: Fire spread through the façades is widely recognized as one of the fastest pathways of fire spreading in the buildings. Fire may spread through the façade in different ways depending on the type of façade system and on the elements and materials from which it is constructed. Ventilated façades are multilayer systems whose main feature is the creation of an air chamber of circulating air between the original building wall and the external cladding. The “chimney effect” in the air cavity is a mechanism that improves the façade’s thermal behaviour and avoids the appearance of moisture from rain or condensation. However, in a event of fire, it may contribute to the quickest spreading of fire, representing a significant risk to the upper floors of a building. This study deals with some aspects of fire propagation through the ventilated cavity in ventilated façade systems. Also we review the provisions stipulated by the Spanish building code (Código Técnico de la Edificación, CTE) [1] to avoid fire spread outside the building. The results highlight the importance of the use of proper fire barriers to ensure the compartmentalization of the ventilated cavity, as well as the use of non-combustible thermal insulation materials, among others. In addition, based on the results, it might be considered that the measures stipulated by the CTE are insufficient to limit the risks associated with this kind of façades systems. The study has been performed using field models of computational fluid-dynamics. In particular, the Fire Dynamics Simulator (FDS) software has been used to numerically solve the mathematical integration models. ; Peer Reviewed ; Postprint (published version)
Τύπος εγγράφου: conference object
Περιγραφή αρχείου: application/pdf
Γλώσσα: English
Relation: https://hdl.handle.net/2117/21774
DOI: 10.1051/matecconf/20130903002
Διαθεσιμότητα: https://hdl.handle.net/2117/21774
https://doi.org/10.1051/matecconf/20130903002
Rights: http://creativecommons.org/licenses/by-nc-nd/3.0/es/ ; Open Access ; Attribution-NonCommercial-NoDerivs 3.0 Spain
Αριθμός Καταχώρησης: edsbas.AA14D6FB
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  Data: Computer-simulation study on fire behaviour in the ventilated cavity of ventilated façade systems
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  Data: <searchLink fieldCode="AR" term="%22Lacasta+Palacio%2C+Ana+María%22">Lacasta Palacio, Ana María</searchLink><br /><searchLink fieldCode="AR" term="%22Avellaneda+Diaz-Grande%2C+Jaime%22">Avellaneda Diaz-Grande, Jaime</searchLink><br /><searchLink fieldCode="AR" term="%22Giraldo+Forero%2C+María+del+Pilar%22">Giraldo Forero, María del Pilar</searchLink><br /><searchLink fieldCode="AR" term="%22Burgos+Leiva%2C+Camila%22">Burgos Leiva, Camila</searchLink>
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  Data: Universitat Politècnica de Catalunya. Departament de Física Aplicada<br />Universitat Politècnica de Catalunya. Departament de Construccions Arquitectòniques I<br />Universitat Politècnica de Catalunya. GICITED - Grup Interdiciplinari de Ciència i Tecnologia en l'Edificació<br />Universitat Politècnica de Catalunya. LiTA - Laboratori d'Innovació i Tecnologia en l'Arquitectura
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  Data: 2013
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  Data: Universitat Politècnica de Catalunya, BarcelonaTech: UPCommons - Global access to UPC knowledge
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  Data: Fire spread through the façades is widely recognized as one of the fastest pathways of fire spreading in the buildings. Fire may spread through the façade in different ways depending on the type of façade system and on the elements and materials from which it is constructed. Ventilated façades are multilayer systems whose main feature is the creation of an air chamber of circulating air between the original building wall and the external cladding. The “chimney effect” in the air cavity is a mechanism that improves the façade’s thermal behaviour and avoids the appearance of moisture from rain or condensation. However, in a event of fire, it may contribute to the quickest spreading of fire, representing a significant risk to the upper floors of a building. This study deals with some aspects of fire propagation through the ventilated cavity in ventilated façade systems. Also we review the provisions stipulated by the Spanish building code (Código Técnico de la Edificación, CTE) [1] to avoid fire spread outside the building. The results highlight the importance of the use of proper fire barriers to ensure the compartmentalization of the ventilated cavity, as well as the use of non-combustible thermal insulation materials, among others. In addition, based on the results, it might be considered that the measures stipulated by the CTE are insufficient to limit the risks associated with this kind of façades systems. The study has been performed using field models of computational fluid-dynamics. In particular, the Fire Dynamics Simulator (FDS) software has been used to numerically solve the mathematical integration models. ; Peer Reviewed ; Postprint (published version)
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        Value: 10.1051/matecconf/20130903002
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    Subjects:
      – SubjectFull: Àrees temàtiques de la UPC::Edificació::Elements constructius d'edificis::Elements de tancament
        Type: general
      – SubjectFull: Àrees temàtiques de la UPC::Física::Física de fluids
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      – SubjectFull: Fluid dynamics--Data processing
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      – SubjectFull: Ventilated cavity
        Type: general
      – SubjectFull: air chamber
        Type: general
      – SubjectFull: ventilated façade systems
        Type: general
      – SubjectFull: Fire behaviour
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      – SubjectFull: chimney effect
        Type: general
      – SubjectFull: external fire spread
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      – SubjectFull: fire barriers
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      – SubjectFull: Assaigs de comportament davant el foc
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      – SubjectFull: Dinàmica de fluids--Informàtica
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