Techno Press


Steel and Composite Structures   Volume 5, Number 6, December 2005, pages 421-441
DOI: http://dx.doi.org/10.12989/scs.2005.5.6.421
 
Numerical predictions of the time-dependent temperature field for the 7th Cardington compartment fire test
Antonio M G. Lopes, Gilberto C. Vaz and Aldina Santiago

 
Abstract     [Full Text]
    The present work reports on a numerical simulation of a compartment fire. The fire was modeled using a simplified approach, where combustion is simulated as a volumetric heat release. Computations were performed with the commercial code CFX 5.6. Radiation was modeled with a differential approximation (P1 model), while turbulence effects upon the mean gas flow were dealt with a SST turbulence model. Simulations were carried out using a transient approach, starting at the onset of ignition. Results are provided for the temperature field time evolution, thus allowing a direct comparison with the analytical and experimental data. The high spatial resolution available for the results proved to be of great utility for a more detailed analysis of the thermal impact on the steel structure.
 
Key Words
    compartment fire; experimental fire tests; fire safety engineering; numerical simulation; temperature distribution.
 
Address
Antonio M G. Lopes; Department of Mechanical Engineering, University of Coimbra, Polo II - Pinhal de Marrocos, 3030-290 Coimbra, PortugalrnGilberto C. Vaz; Department of Mechanical Engineering, ISEC, Polytechnic Institute of Coimbra, Rua Pedro Nunes, 3030-199 Coimbra, PortugalrnAldina Santiago; Department of Civil Engineering, University of Coimbra, Polo II - Pinhal de Marrocos, 3030-290 Coimbra, Portugal
 

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